./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN --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 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 --- 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-6b4ec56 [2022-11-20 12:44:37,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:44:37,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:44:37,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:44:37,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:44:37,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:44:37,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:44:37,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:44:37,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:44:37,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:44:37,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:44:38,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:44:38,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:44:38,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:44:38,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:44:38,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:44:38,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:44:38,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:44:38,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:44:38,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:44:38,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:44:38,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:44:38,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:44:38,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:44:38,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:44:38,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:44:38,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:44:38,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:44:38,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:44:38,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:44:38,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:44:38,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:44:38,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:44:38,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:44:38,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:44:38,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:44:38,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:44:38,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:44:38,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:44:38,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:44:38,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:44:38,036 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:44:38,075 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:44:38,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:44:38,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:44:38,079 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:44:38,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:44:38,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:44:38,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:44:38,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:44:38,081 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:44:38,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:44:38,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:44:38,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:44:38,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:44:38,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:44:38,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:44:38,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:44:38,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:44:38,084 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:44:38,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:44:38,084 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:44:38,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:44:38,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:44:38,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:44:38,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:44:38,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:44:38,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:44:38,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:44:38,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:44:38,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:44:38,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:44:38,087 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:44:38,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:44:38,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:44:38,088 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_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68cd47586ea836a40d34f69dc7bca714ffc0af5c5bf2f7fbd8cfbbd6f1019685 [2022-11-20 12:44:38,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:44:38,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:44:38,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:44:38,415 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:44:38,415 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:44:38,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2022-11-20 12:44:41,422 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:44:41,722 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:44:41,723 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2022-11-20 12:44:41,735 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/data/556333a8f/f5a7df17ef54412badc056bbdaef5946/FLAG1200eca84 [2022-11-20 12:44:41,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/data/556333a8f/f5a7df17ef54412badc056bbdaef5946 [2022-11-20 12:44:41,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:44:41,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:44:41,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:44:41,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:44:41,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:44:41,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:44:41" (1/1) ... [2022-11-20 12:44:41,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6b8836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:41, skipping insertion in model container [2022-11-20 12:44:41,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:44:41" (1/1) ... [2022-11-20 12:44:41,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:44:41,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:44:42,077 WARN L237 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_f9accd97-be15-452e-abcf-02df8e0710eb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2022-11-20 12:44:42,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:44:42,161 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:44:42,195 WARN L237 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_f9accd97-be15-452e-abcf-02df8e0710eb/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c[9171,9184] [2022-11-20 12:44:42,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:44:42,252 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:44:42,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42 WrapperNode [2022-11-20 12:44:42,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:44:42,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:44:42,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:44:42,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:44:42,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,309 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 227 [2022-11-20 12:44:42,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:44:42,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:44:42,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:44:42,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:44:42,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,338 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,361 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:44:42,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:44:42,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:44:42,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:44:42,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (1/1) ... [2022-11-20 12:44:42,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:44:42,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:42,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:44:42,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:44:42,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:44:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 12:44:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 12:44:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 12:44:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 12:44:42,466 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 12:44:42,466 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 12:44:42,468 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 12:44:42,469 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 12:44:42,469 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 12:44:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 12:44:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 12:44:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 12:44:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:44:42,470 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 12:44:42,470 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 12:44:42,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:44:42,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:44:42,592 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:44:42,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:44:42,952 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:44:42,960 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:44:42,960 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:44:42,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:44:42 BoogieIcfgContainer [2022-11-20 12:44:42,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:44:42,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:44:42,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:44:42,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:44:42,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:44:41" (1/3) ... [2022-11-20 12:44:42,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364ca201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:44:42, skipping insertion in model container [2022-11-20 12:44:42,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:44:42" (2/3) ... [2022-11-20 12:44:42,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364ca201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:44:42, skipping insertion in model container [2022-11-20 12:44:42,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:44:42" (3/3) ... [2022-11-20 12:44:42,972 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2022-11-20 12:44:42,991 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:44:42,991 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:44:43,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:44:43,050 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;@5b7bd648, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:44:43,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:44:43,055 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 81 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 12:44:43,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 12:44:43,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:43,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:43,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:43,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:43,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1328460563, now seen corresponding path program 1 times [2022-11-20 12:44:43,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:43,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786079128] [2022-11-20 12:44:43,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:43,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:43,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:43,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786079128] [2022-11-20 12:44:43,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786079128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:43,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:43,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:43,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821371073] [2022-11-20 12:44:43,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:43,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:44:43,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:43,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:44:43,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:44:43,318 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 81 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) 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) [2022-11-20 12:44:43,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:43,377 INFO L93 Difference]: Finished difference Result 178 states and 243 transitions. [2022-11-20 12:44:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:44:43,379 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 [2022-11-20 12:44:43,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:43,388 INFO L225 Difference]: With dead ends: 178 [2022-11-20 12:44:43,388 INFO L226 Difference]: Without dead ends: 84 [2022-11-20 12:44:43,400 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 [2022-11-20 12:44:43,416 INFO L413 NwaCegarLoop]: 118 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, 118 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 [2022-11-20 12:44:43,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:44:43,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-20 12:44:43,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-20 12:44:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.323076923076923) internal successors, (86), 73 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-20 12:44:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-11-20 12:44:43,497 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 19 [2022-11-20 12:44:43,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:43,498 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-11-20 12:44:43,498 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) [2022-11-20 12:44:43,498 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-11-20 12:44:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 12:44:43,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:43,501 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] [2022-11-20 12:44:43,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:44:43,501 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:43,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:43,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1880549764, now seen corresponding path program 1 times [2022-11-20 12:44:43,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:43,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251585459] [2022-11-20 12:44:43,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:43,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:43,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:43,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:43,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251585459] [2022-11-20 12:44:43,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251585459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:43,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:43,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:44:43,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043490959] [2022-11-20 12:44:43,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:43,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:43,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:43,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:43,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:43,604 INFO L87 Difference]: Start difference. First operand 84 states and 109 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) [2022-11-20 12:44:43,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:43,627 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2022-11-20 12:44:43,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:43,632 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 [2022-11-20 12:44:43,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:43,634 INFO L225 Difference]: With dead ends: 130 [2022-11-20 12:44:43,634 INFO L226 Difference]: Without dead ends: 75 [2022-11-20 12:44:43,635 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 [2022-11-20 12:44:43,636 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 16 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 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 [2022-11-20 12:44:43,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:44:43,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-20 12:44:43,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-20 12:44:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 67 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 12:44:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2022-11-20 12:44:43,665 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 20 [2022-11-20 12:44:43,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:43,666 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2022-11-20 12:44:43,666 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) [2022-11-20 12:44:43,666 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-11-20 12:44:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 12:44:43,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:43,667 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] [2022-11-20 12:44:43,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:44:43,668 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:43,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:43,669 INFO L85 PathProgramCache]: Analyzing trace with hash 612415945, now seen corresponding path program 1 times [2022-11-20 12:44:43,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:43,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465071790] [2022-11-20 12:44:43,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:43,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:43,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:43,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465071790] [2022-11-20 12:44:43,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465071790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:43,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:43,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:44:43,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141592696] [2022-11-20 12:44:43,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:43,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:44:43,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:43,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:44:43,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:44:43,883 INFO L87 Difference]: Start difference. First operand 75 states and 97 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) [2022-11-20 12:44:44,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:44,126 INFO L93 Difference]: Finished difference Result 248 states and 328 transitions. [2022-11-20 12:44:44,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:44:44,129 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 [2022-11-20 12:44:44,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:44,131 INFO L225 Difference]: With dead ends: 248 [2022-11-20 12:44:44,131 INFO L226 Difference]: Without dead ends: 180 [2022-11-20 12:44:44,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:44:44,134 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 263 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:44,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 429 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:44:44,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2022-11-20 12:44:44,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174. [2022-11-20 12:44:44,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 135 states have (on average 1.3703703703703705) internal successors, (185), 153 states have internal predecessors, (185), 22 states have call successors, (22), 16 states have call predecessors, (22), 16 states have return successors, (23), 14 states have call predecessors, (23), 22 states have call successors, (23) [2022-11-20 12:44:44,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 230 transitions. [2022-11-20 12:44:44,166 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 230 transitions. Word has length 24 [2022-11-20 12:44:44,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:44,166 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 230 transitions. [2022-11-20 12:44:44,166 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) [2022-11-20 12:44:44,167 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 230 transitions. [2022-11-20 12:44:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 12:44:44,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:44,168 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] [2022-11-20 12:44:44,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:44:44,169 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:44,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:44,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1477369919, now seen corresponding path program 1 times [2022-11-20 12:44:44,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:44,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934828767] [2022-11-20 12:44:44,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:44,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:44,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:44,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934828767] [2022-11-20 12:44:44,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934828767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:44,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:44,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:44:44,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395135823] [2022-11-20 12:44:44,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:44,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:44:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:44,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:44:44,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:44:44,300 INFO L87 Difference]: Start difference. First operand 174 states and 230 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-20 12:44:44,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:44,402 INFO L93 Difference]: Finished difference Result 491 states and 675 transitions. [2022-11-20 12:44:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:44:44,403 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 28 [2022-11-20 12:44:44,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:44,406 INFO L225 Difference]: With dead ends: 491 [2022-11-20 12:44:44,406 INFO L226 Difference]: Without dead ends: 324 [2022-11-20 12:44:44,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:44:44,409 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 68 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:44,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 381 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:44:44,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-11-20 12:44:44,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2022-11-20 12:44:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 250 states have (on average 1.344) internal successors, (336), 282 states have internal predecessors, (336), 44 states have call successors, (44), 32 states have call predecessors, (44), 29 states have return successors, (50), 25 states have call predecessors, (50), 44 states have call successors, (50) [2022-11-20 12:44:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 430 transitions. [2022-11-20 12:44:44,477 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 430 transitions. Word has length 28 [2022-11-20 12:44:44,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:44,477 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 430 transitions. [2022-11-20 12:44:44,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-20 12:44:44,478 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 430 transitions. [2022-11-20 12:44:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 12:44:44,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:44,488 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:44,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:44:44,488 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:44,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash -30603644, now seen corresponding path program 1 times [2022-11-20 12:44:44,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:44,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125510523] [2022-11-20 12:44:44,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:44,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:44,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:44,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:44,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125510523] [2022-11-20 12:44:44,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125510523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:44,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:44,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:44:44,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014778789] [2022-11-20 12:44:44,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:44,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:44:44,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:44,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:44:44,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:44:44,631 INFO L87 Difference]: Start difference. First operand 324 states and 430 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2022-11-20 12:44:44,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:44,713 INFO L93 Difference]: Finished difference Result 748 states and 1019 transitions. [2022-11-20 12:44:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:44:44,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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 30 [2022-11-20 12:44:44,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:44,729 INFO L225 Difference]: With dead ends: 748 [2022-11-20 12:44:44,731 INFO L226 Difference]: Without dead ends: 431 [2022-11-20 12:44:44,734 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 [2022-11-20 12:44:44,739 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 56 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:44,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 155 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:44:44,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-11-20 12:44:44,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 420. [2022-11-20 12:44:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 330 states have (on average 1.2969696969696969) internal successors, (428), 357 states have internal predecessors, (428), 47 states have call successors, (47), 45 states have call predecessors, (47), 42 states have return successors, (69), 41 states have call predecessors, (69), 47 states have call successors, (69) [2022-11-20 12:44:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 544 transitions. [2022-11-20 12:44:44,798 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 544 transitions. Word has length 30 [2022-11-20 12:44:44,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:44,799 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 544 transitions. [2022-11-20 12:44:44,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 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) [2022-11-20 12:44:44,799 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 544 transitions. [2022-11-20 12:44:44,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 12:44:44,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:44,801 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] [2022-11-20 12:44:44,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:44:44,802 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:44,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:44,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1736818085, now seen corresponding path program 1 times [2022-11-20 12:44:44,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:44,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803260651] [2022-11-20 12:44:44,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:44,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:44,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:44:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:44,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:44,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803260651] [2022-11-20 12:44:44,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803260651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:44,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:44,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:44:44,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368900699] [2022-11-20 12:44:44,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:44,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:44:44,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:44,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:44:44,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:44:44,912 INFO L87 Difference]: Start difference. First operand 420 states and 544 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:44:45,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:45,210 INFO L93 Difference]: Finished difference Result 519 states and 675 transitions. [2022-11-20 12:44:45,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 12:44:45,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-20 12:44:45,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:45,214 INFO L225 Difference]: With dead ends: 519 [2022-11-20 12:44:45,214 INFO L226 Difference]: Without dead ends: 517 [2022-11-20 12:44:45,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:44:45,216 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 139 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:45,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 348 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:44:45,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-11-20 12:44:45,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 488. [2022-11-20 12:44:45,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 383 states have (on average 1.279373368146214) internal successors, (490), 421 states have internal predecessors, (490), 53 states have call successors, (53), 45 states have call predecessors, (53), 51 states have return successors, (88), 45 states have call predecessors, (88), 53 states have call successors, (88) [2022-11-20 12:44:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 631 transitions. [2022-11-20 12:44:45,283 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 631 transitions. Word has length 32 [2022-11-20 12:44:45,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:45,284 INFO L495 AbstractCegarLoop]: Abstraction has 488 states and 631 transitions. [2022-11-20 12:44:45,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 12:44:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 631 transitions. [2022-11-20 12:44:45,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 12:44:45,286 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:45,287 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] [2022-11-20 12:44:45,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:44:45,287 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:45,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:45,288 INFO L85 PathProgramCache]: Analyzing trace with hash -2119024627, now seen corresponding path program 1 times [2022-11-20 12:44:45,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:45,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386024281] [2022-11-20 12:44:45,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:45,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:45,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:44:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 12:44:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:45,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:45,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386024281] [2022-11-20 12:44:45,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386024281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:45,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:45,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 12:44:45,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60891251] [2022-11-20 12:44:45,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:45,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:44:45,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:45,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:44:45,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:44:45,414 INFO L87 Difference]: Start difference. First operand 488 states and 631 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) [2022-11-20 12:44:45,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:45,834 INFO L93 Difference]: Finished difference Result 1083 states and 1452 transitions. [2022-11-20 12:44:45,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:44:45,835 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 [2022-11-20 12:44:45,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:45,839 INFO L225 Difference]: With dead ends: 1083 [2022-11-20 12:44:45,840 INFO L226 Difference]: Without dead ends: 602 [2022-11-20 12:44:45,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:44:45,843 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 220 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:45,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 347 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:44:45,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2022-11-20 12:44:45,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 532. [2022-11-20 12:44:45,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 421 states have (on average 1.2636579572446556) internal successors, (532), 459 states have internal predecessors, (532), 53 states have call successors, (53), 45 states have call predecessors, (53), 57 states have return successors, (96), 49 states have call predecessors, (96), 53 states have call successors, (96) [2022-11-20 12:44:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 681 transitions. [2022-11-20 12:44:45,928 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 681 transitions. Word has length 46 [2022-11-20 12:44:45,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:45,929 INFO L495 AbstractCegarLoop]: Abstraction has 532 states and 681 transitions. [2022-11-20 12:44:45,930 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) [2022-11-20 12:44:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 681 transitions. [2022-11-20 12:44:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 12:44:45,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:45,934 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] [2022-11-20 12:44:45,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:44:45,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:45,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:45,935 INFO L85 PathProgramCache]: Analyzing trace with hash -124879921, now seen corresponding path program 1 times [2022-11-20 12:44:45,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:45,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910422826] [2022-11-20 12:44:45,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:45,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:46,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:44:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:46,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 12:44:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:46,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:46,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910422826] [2022-11-20 12:44:46,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910422826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:46,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:46,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:44:46,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453768308] [2022-11-20 12:44:46,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:46,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:44:46,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:46,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:44:46,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:44:46,080 INFO L87 Difference]: Start difference. First operand 532 states and 681 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) [2022-11-20 12:44:46,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:46,412 INFO L93 Difference]: Finished difference Result 1044 states and 1375 transitions. [2022-11-20 12:44:46,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:44:46,412 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 [2022-11-20 12:44:46,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:46,415 INFO L225 Difference]: With dead ends: 1044 [2022-11-20 12:44:46,416 INFO L226 Difference]: Without dead ends: 519 [2022-11-20 12:44:46,418 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 [2022-11-20 12:44:46,419 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 146 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:46,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 336 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:44:46,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2022-11-20 12:44:46,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 425. [2022-11-20 12:44:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 336 states have (on average 1.2619047619047619) internal successors, (424), 365 states have internal predecessors, (424), 44 states have call successors, (44), 38 states have call predecessors, (44), 44 states have return successors, (70), 38 states have call predecessors, (70), 44 states have call successors, (70) [2022-11-20 12:44:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 538 transitions. [2022-11-20 12:44:46,466 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 538 transitions. Word has length 46 [2022-11-20 12:44:46,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:46,467 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 538 transitions. [2022-11-20 12:44:46,467 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) [2022-11-20 12:44:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 538 transitions. [2022-11-20 12:44:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 12:44:46,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:46,468 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] [2022-11-20 12:44:46,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:44:46,469 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:46,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:46,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1358294219, now seen corresponding path program 1 times [2022-11-20 12:44:46,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:46,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676813585] [2022-11-20 12:44:46,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:46,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:44:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 12:44:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:46,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:46,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:46,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676813585] [2022-11-20 12:44:46,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676813585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:46,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:46,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:44:46,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433627903] [2022-11-20 12:44:46,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:46,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:44:46,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:46,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:44:46,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:44:46,584 INFO L87 Difference]: Start difference. First operand 425 states and 538 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) [2022-11-20 12:44:47,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:47,143 INFO L93 Difference]: Finished difference Result 971 states and 1304 transitions. [2022-11-20 12:44:47,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 12:44:47,144 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 [2022-11-20 12:44:47,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:47,149 INFO L225 Difference]: With dead ends: 971 [2022-11-20 12:44:47,149 INFO L226 Difference]: Without dead ends: 660 [2022-11-20 12:44:47,151 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 [2022-11-20 12:44:47,153 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 223 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:47,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 436 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:44:47,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-11-20 12:44:47,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 635. [2022-11-20 12:44:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 501 states have (on average 1.2375249500998005) internal successors, (620), 538 states have internal predecessors, (620), 66 states have call successors, (66), 58 states have call predecessors, (66), 67 states have return successors, (131), 66 states have call predecessors, (131), 66 states have call successors, (131) [2022-11-20 12:44:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 817 transitions. [2022-11-20 12:44:47,231 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 817 transitions. Word has length 46 [2022-11-20 12:44:47,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:47,231 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 817 transitions. [2022-11-20 12:44:47,231 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) [2022-11-20 12:44:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 817 transitions. [2022-11-20 12:44:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 12:44:47,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:47,235 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] [2022-11-20 12:44:47,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 12:44:47,235 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:47,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:47,236 INFO L85 PathProgramCache]: Analyzing trace with hash -572504429, now seen corresponding path program 1 times [2022-11-20 12:44:47,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:47,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732690534] [2022-11-20 12:44:47,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:47,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:44:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 12:44:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 12:44:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:47,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-20 12:44:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:44:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:47,491 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 12:44:47,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:47,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732690534] [2022-11-20 12:44:47,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732690534] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:44:47,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918843675] [2022-11-20 12:44:47,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:47,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:44:47,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:47,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:44:47,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:44:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:47,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:44:47,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:44:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:44:47,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:44:47,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 12:44:47,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918843675] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:44:47,941 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:44:47,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-11-20 12:44:47,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418018035] [2022-11-20 12:44:47,942 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:44:47,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:44:47,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:47,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:44:47,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:44:47,944 INFO L87 Difference]: Start difference. First operand 635 states and 817 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) [2022-11-20 12:44:48,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:48,703 INFO L93 Difference]: Finished difference Result 1512 states and 2051 transitions. [2022-11-20 12:44:48,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 12:44:48,704 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 [2022-11-20 12:44:48,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:48,709 INFO L225 Difference]: With dead ends: 1512 [2022-11-20 12:44:48,709 INFO L226 Difference]: Without dead ends: 991 [2022-11-20 12:44:48,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 167 SyntacticMatches, 8 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2022-11-20 12:44:48,713 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 279 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:48,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 571 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:44:48,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2022-11-20 12:44:48,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 862. [2022-11-20 12:44:48,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 672 states have (on average 1.244047619047619) internal successors, (836), 725 states have internal predecessors, (836), 95 states have call successors, (95), 83 states have call predecessors, (95), 94 states have return successors, (198), 87 states have call predecessors, (198), 95 states have call successors, (198) [2022-11-20 12:44:48,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1129 transitions. [2022-11-20 12:44:48,823 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1129 transitions. Word has length 80 [2022-11-20 12:44:48,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:48,824 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1129 transitions. [2022-11-20 12:44:48,824 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) [2022-11-20 12:44:48,824 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1129 transitions. [2022-11-20 12:44:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 12:44:48,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:48,828 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] [2022-11-20 12:44:48,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:44:49,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 12:44:49,036 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:49,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:49,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1682583131, now seen corresponding path program 2 times [2022-11-20 12:44:49,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:49,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082301057] [2022-11-20 12:44:49,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:49,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:44:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 12:44:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:49,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 12:44:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:49,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 12:44:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 12:44:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:44:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 12:44:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:44:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 51 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:44:49,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:49,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082301057] [2022-11-20 12:44:49,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082301057] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:44:49,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597900574] [2022-11-20 12:44:49,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:44:49,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:44:49,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:44:49,373 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:44:49,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:44:49,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:44:49,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:44:49,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:44:49,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:44:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:44:49,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:44:49,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597900574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:49,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:44:49,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-20 12:44:49,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124743758] [2022-11-20 12:44:49,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:49,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:44:49,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:49,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:44:49,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:44:49,683 INFO L87 Difference]: Start difference. First operand 862 states and 1129 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) [2022-11-20 12:44:50,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:50,110 INFO L93 Difference]: Finished difference Result 2363 states and 3215 transitions. [2022-11-20 12:44:50,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:44:50,110 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 [2022-11-20 12:44:50,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:50,119 INFO L225 Difference]: With dead ends: 2363 [2022-11-20 12:44:50,120 INFO L226 Difference]: Without dead ends: 1613 [2022-11-20 12:44:50,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2022-11-20 12:44:50,125 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 260 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:50,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 543 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:44:50,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2022-11-20 12:44:50,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1493. [2022-11-20 12:44:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1493 states, 1166 states have (on average 1.2435677530017153) internal successors, (1450), 1246 states have internal predecessors, (1450), 166 states have call successors, (166), 148 states have call predecessors, (166), 160 states have return successors, (304), 150 states have call predecessors, (304), 166 states have call successors, (304) [2022-11-20 12:44:50,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1920 transitions. [2022-11-20 12:44:50,299 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1920 transitions. Word has length 114 [2022-11-20 12:44:50,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:50,300 INFO L495 AbstractCegarLoop]: Abstraction has 1493 states and 1920 transitions. [2022-11-20 12:44:50,300 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) [2022-11-20 12:44:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1920 transitions. [2022-11-20 12:44:50,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-20 12:44:50,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:44:50,304 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] [2022-11-20 12:44:50,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 12:44:50,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:44:50,510 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:44:50,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:44:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash 2126483805, now seen corresponding path program 1 times [2022-11-20 12:44:50,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:44:50,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472386864] [2022-11-20 12:44:50,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:44:50,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:44:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:44:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:50,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 12:44:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 12:44:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:50,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 12:44:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:50,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 12:44:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:50,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:44:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 12:44:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:50,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:44:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:44:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 12:44:50,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:44:50,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472386864] [2022-11-20 12:44:50,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472386864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:44:50,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:44:50,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 12:44:50,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556299608] [2022-11-20 12:44:50,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:44:50,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:44:50,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:44:50,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:44:50,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:44:50,685 INFO L87 Difference]: Start difference. First operand 1493 states and 1920 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 5 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) [2022-11-20 12:44:51,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:44:51,005 INFO L93 Difference]: Finished difference Result 2099 states and 2662 transitions. [2022-11-20 12:44:51,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:44:51,005 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 5 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 [2022-11-20 12:44:51,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:44:51,006 INFO L225 Difference]: With dead ends: 2099 [2022-11-20 12:44:51,006 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:44:51,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:44:51,011 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 157 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:44:51,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 280 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:44:51,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:44:51,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:44:51,012 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) [2022-11-20 12:44:51,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:44:51,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2022-11-20 12:44:51,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:44:51,013 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:44:51,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 5 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) [2022-11-20 12:44:51,013 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:44:51,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:44:51,016 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:44:51,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:44:51,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:44:55,861 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 309 316) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-20 12:44:55,861 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 309 316) no Hoare annotation was computed. [2022-11-20 12:44:55,862 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 309 316) no Hoare annotation was computed. [2022-11-20 12:44:55,862 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 224 230) no Hoare annotation was computed. [2022-11-20 12:44:55,862 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 224 230) the Hoare annotation is: true [2022-11-20 12:44:55,862 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 549 560) the Hoare annotation is: true [2022-11-20 12:44:55,862 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 549 560) no Hoare annotation was computed. [2022-11-20 12:44:55,862 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 549 560) no Hoare annotation was computed. [2022-11-20 12:44:55,862 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-11-20 12:44:55,862 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 428 457) no Hoare annotation was computed. [2022-11-20 12:44:55,863 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 428 457) the Hoare annotation is: true [2022-11-20 12:44:55,863 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2022-11-20 12:44:55,863 INFO L902 garLoopResultBuilder]: At program point L442-1(lines 442 446) the Hoare annotation is: true [2022-11-20 12:44:55,863 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-11-20 12:44:55,864 INFO L902 garLoopResultBuilder]: At program point L438-2(lines 438 452) the Hoare annotation is: true [2022-11-20 12:44:55,864 INFO L902 garLoopResultBuilder]: At program point L434(line 434) the Hoare annotation is: true [2022-11-20 12:44:55,864 INFO L899 garLoopResultBuilder]: For program point L434-1(line 434) no Hoare annotation was computed. [2022-11-20 12:44:55,864 INFO L902 garLoopResultBuilder]: At program point L453(lines 428 457) the Hoare annotation is: true [2022-11-20 12:44:55,865 INFO L895 garLoopResultBuilder]: At program point L407(lines 392 410) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 12:44:55,866 INFO L899 garLoopResultBuilder]: For program point L630(line 630) no Hoare annotation was computed. [2022-11-20 12:44:55,866 INFO L895 garLoopResultBuilder]: At program point L333(lines 328 336) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 12:44:55,866 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 200 223) no Hoare annotation was computed. [2022-11-20 12:44:55,866 INFO L895 garLoopResultBuilder]: At program point L631(lines 626 633) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 12:44:55,866 INFO L895 garLoopResultBuilder]: At program point L598(lines 593 601) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse4 (= 0 ~systemActive~0))) (let ((.cse3 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (and .cse0 .cse8 .cse1 (not .cse4))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1) (and .cse2 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse6 .cse3 .cse5) (or .cse6 (and .cse2 .cse8) .cse7 (not (<= 1 |old(~waterLevel~0)|))) (or .cse6 (not (= |old(~waterLevel~0)| 1)) (= |timeShift_getWaterLevel_#res#1| 1))))) [2022-11-20 12:44:55,867 INFO L895 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 12:44:55,867 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 12:44:55,867 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2022-11-20 12:44:55,867 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 112) no Hoare annotation was computed. [2022-11-20 12:44:55,867 INFO L895 garLoopResultBuilder]: At program point L99-1(lines 91 115) the Hoare annotation is: (let ((.cse8 (<= 2 ~waterLevel~0)) (.cse9 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse8 .cse9 .cse6 .cse10 (not .cse2))) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse7 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~0#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (and .cse4 .cse5 .cse6 .cse7) .cse1) (or (and .cse8 .cse9 .cse10) (and .cse4 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) .cse5 .cse7) .cse2 .cse3)))) [2022-11-20 12:44:55,867 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse3)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (and .cse0 (= ~waterLevel~0 1) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse3 .cse4) (or .cse2 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse4)))) [2022-11-20 12:44:55,868 INFO L895 garLoopResultBuilder]: At program point L277-1(lines 258 282) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse4))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2))) (or (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0)) .cse3 .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 12:44:55,868 INFO L899 garLoopResultBuilder]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2022-11-20 12:44:55,869 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2022-11-20 12:44:55,869 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2022-11-20 12:44:55,869 INFO L895 garLoopResultBuilder]: At program point L529-2(lines 525 536) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 12:44:55,869 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 405) no Hoare annotation was computed. [2022-11-20 12:44:55,869 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 200 223) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse0) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 12:44:55,869 INFO L895 garLoopResultBuilder]: At program point L621(lines 616 624) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-20 12:44:55,870 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 203 222) no Hoare annotation was computed. [2022-11-20 12:44:55,870 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 200 223) no Hoare annotation was computed. [2022-11-20 12:44:55,870 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 274) no Hoare annotation was computed. [2022-11-20 12:44:55,870 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2022-11-20 12:44:55,870 INFO L899 garLoopResultBuilder]: For program point L262(lines 262 279) no Hoare annotation was computed. [2022-11-20 12:44:55,870 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 421) no Hoare annotation was computed. [2022-11-20 12:44:55,870 INFO L899 garLoopResultBuilder]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2022-11-20 12:44:55,871 INFO L895 garLoopResultBuilder]: At program point L180(lines 131 181) the Hoare annotation is: false [2022-11-20 12:44:55,871 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2022-11-20 12:44:55,871 INFO L895 garLoopResultBuilder]: At program point L486(lines 482 488) 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)) [2022-11-20 12:44:55,871 INFO L895 garLoopResultBuilder]: At program point L168-2(lines 162 175) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-20 12:44:55,871 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:44:55,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:44:55,871 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:44:55,871 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 158) no Hoare annotation was computed. [2022-11-20 12:44:55,871 INFO L899 garLoopResultBuilder]: For program point L152-1(lines 152 158) no Hoare annotation was computed. [2022-11-20 12:44:55,872 INFO L895 garLoopResultBuilder]: At program point L177(lines 132 179) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-20 12:44:55,872 INFO L895 garLoopResultBuilder]: At program point L144(line 144) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-20 12:44:55,872 INFO L895 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2022-11-20 12:44:55,872 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:44:55,873 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 12:44:55,873 INFO L902 garLoopResultBuilder]: At program point L496(lines 489 498) the Hoare annotation is: true [2022-11-20 12:44:55,873 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 12:44:55,873 INFO L899 garLoopResultBuilder]: For program point L133(lines 132 179) no Hoare annotation was computed. [2022-11-20 12:44:55,874 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 175) no Hoare annotation was computed. [2022-11-20 12:44:55,874 INFO L899 garLoopResultBuilder]: For program point L509(lines 509 516) no Hoare annotation was computed. [2022-11-20 12:44:55,874 INFO L899 garLoopResultBuilder]: For program point L509-2(lines 509 516) no Hoare annotation was computed. [2022-11-20 12:44:55,874 INFO L895 garLoopResultBuilder]: At program point L154(line 154) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-20 12:44:55,875 INFO L902 garLoopResultBuilder]: At program point L183(lines 122 187) the Hoare annotation is: true [2022-11-20 12:44:55,875 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 148) no Hoare annotation was computed. [2022-11-20 12:44:55,875 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 142 148) no Hoare annotation was computed. [2022-11-20 12:44:55,875 INFO L895 garLoopResultBuilder]: At program point L423(lines 411 425) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)))) [2022-11-20 12:44:55,875 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 138) no Hoare annotation was computed. [2022-11-20 12:44:55,876 INFO L902 garLoopResultBuilder]: At program point L518(lines 499 521) the Hoare annotation is: true [2022-11-20 12:44:55,876 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-20 12:44:55,876 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 232 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-20 12:44:55,877 INFO L899 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2022-11-20 12:44:55,877 INFO L899 garLoopResultBuilder]: For program point L382-2(lines 382 386) no Hoare annotation was computed. [2022-11-20 12:44:55,877 INFO L895 garLoopResultBuilder]: At program point L566(lines 561 569) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-11-20 12:44:55,878 INFO L895 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse0 .cse1) (or .cse0 (not (<= 1 ~waterLevel~0)) .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))))) [2022-11-20 12:44:55,878 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 248) no Hoare annotation was computed. [2022-11-20 12:44:55,878 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 253) no Hoare annotation was computed. [2022-11-20 12:44:55,878 INFO L895 garLoopResultBuilder]: At program point L288(lines 283 290) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-20 12:44:55,878 INFO L899 garLoopResultBuilder]: For program point L606(lines 606 612) no Hoare annotation was computed. [2022-11-20 12:44:55,878 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 232 256) no Hoare annotation was computed. [2022-11-20 12:44:55,878 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-20 12:44:55,878 INFO L899 garLoopResultBuilder]: For program point L251-1(lines 232 256) no Hoare annotation was computed. [2022-11-20 12:44:55,879 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 305) no Hoare annotation was computed. [2022-11-20 12:44:55,879 INFO L895 garLoopResultBuilder]: At program point L299-2(lines 292 308) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-20 12:44:55,880 INFO L895 garLoopResultBuilder]: At program point L388(lines 373 391) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2))) [2022-11-20 12:44:55,880 INFO L895 garLoopResultBuilder]: At program point L324(lines 317 327) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2022-11-20 12:44:55,880 INFO L895 garLoopResultBuilder]: At program point L611(lines 602 615) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse0 .cse1) (or .cse0 (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) .cse1))) [2022-11-20 12:44:55,880 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 537 548) no Hoare annotation was computed. [2022-11-20 12:44:55,880 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 537 548) no Hoare annotation was computed. [2022-11-20 12:44:55,881 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 537 548) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse0 (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 12:44:55,884 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:44:55,886 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:44:55,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:44:55 BoogieIcfgContainer [2022-11-20 12:44:55,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:44:55,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:44:55,923 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:44:55,924 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:44:55,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:44:42" (3/4) ... [2022-11-20 12:44:55,927 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:44:55,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 12:44:55,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 12:44:55,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 12:44:55,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 12:44:55,938 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 12:44:55,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 12:44:55,939 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 12:44:55,951 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 12:44:55,952 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 12:44:55,952 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 12:44:55,953 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:44:55,953 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:44:55,979 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-20 12:44:55,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-11-20 12:44:55,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-20 12:44:55,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-20 12:44:55,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-20 12:44:55,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-11-20 12:44:55,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1) [2022-11-20 12:44:55,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel) && 1 <= tmp)) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive)))) && (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) || ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-20 12:44:55,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-20 12:44:55,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-11-20 12:44:55,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-20 12:44:55,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-20 12:44:55,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || 0 == systemActive) [2022-11-20 12:44:55,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-20 12:44:55,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-11-20 12:44:55,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) [2022-11-20 12:44:55,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-11-20 12:44:55,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-11-20 12:44:56,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:44:56,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:44:56,038 INFO L158 Benchmark]: Toolchain (without parser) took 14283.09ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 112.3MB in the beginning and 146.6MB in the end (delta: -34.3MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2022-11-20 12:44:56,038 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:44:56,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.89ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 93.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 12:44:56,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.68ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:44:56,040 INFO L158 Benchmark]: Boogie Preprocessor took 68.37ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:44:56,041 INFO L158 Benchmark]: RCFGBuilder took 583.30ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 71.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:44:56,041 INFO L158 Benchmark]: TraceAbstraction took 12958.17ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 71.2MB in the beginning and 151.8MB in the end (delta: -80.7MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. [2022-11-20 12:44:56,041 INFO L158 Benchmark]: Witness Printer took 113.96ms. Allocated memory is still 249.6MB. Free memory was 151.8MB in the beginning and 146.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 12:44:56,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.89ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 93.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.68ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 91.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.37ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.30ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 71.7MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12958.17ms. Allocated memory was 142.6MB in the beginning and 249.6MB in the end (delta: 107.0MB). Free memory was 71.2MB in the beginning and 151.8MB in the end (delta: -80.7MB). Peak memory consumption was 110.7MB. Max. memory is 16.1GB. * Witness Printer took 113.96ms. Allocated memory is still 249.6MB. Free memory was 151.8MB in the beginning and 146.6MB 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: 630]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1845 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1827 mSDsluCounter, 4115 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2958 mSDsCounter, 407 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2122 IncrementalHoareTripleChecker+Invalid, 2529 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 407 mSolverCounterUnsat, 1157 mSDtfsCounter, 2122 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 470 GetRequests, 344 SyntacticMatches, 11 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1493occurred in iteration=11, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 484 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2690 PreInvPairs, 2995 NumberOfFragments, 1140 HoareAnnotationTreeSize, 2690 FomulaSimplifications, 3649 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 44 FomulaSimplificationsInter, 23497 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 793 NumberOfCodeBlocks, 793 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 858 ConstructedInterpolants, 0 QuantifiedInterpolants, 1642 SizeOfPredicates, 8 NumberOfNonLiveVariables, 679 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: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive))) && (((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) || 2 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && 2 <= \result) || (((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || 1 <= \result) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || !(1 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1)) && (((!(\old(pumpRunning) == 0) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel) && 1 <= tmp)) || ((((2 <= waterLevel && 2 <= tmp) && \old(waterLevel) == waterLevel) && 2 <= \result) && !(0 == systemActive)))) && (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) || ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && 1 <= \result) && 1 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((1 <= \result && pumpRunning == 0) && tmp___0 == 0) && 1 <= tmp) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) || ((((tmp == 1 && pumpRunning == 0) && \result == 1) && splverifierCounter == 0) && waterLevel == 1)) || ((((tmp == 1 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (((!(waterLevel == 1) || 1 <= \result) || !(\old(pumpRunning) == 0)) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && ((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && ((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 482]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-11-20 12:44:56,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9accd97-be15-452e-abcf-02df8e0710eb/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE