./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:06:05,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:06:05,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:06:05,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:06:05,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:06:05,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:06:05,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:06:05,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:06:05,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:06:05,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:06:05,795 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:06:05,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:06:05,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:06:05,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:06:05,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:06:05,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:06:05,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:06:05,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:06:05,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:06:05,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:06:05,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:06:05,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:06:05,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:06:05,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:06:05,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:06:05,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:06:05,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:06:05,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:06:05,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:06:05,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:06:05,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:06:05,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:06:05,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:06:05,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:06:05,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:06:05,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:06:05,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:06:05,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:06:05,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:06:05,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:06:05,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:06:05,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:06:05,886 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:06:05,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:06:05,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:06:05,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:06:05,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:06:05,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:06:05,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:06:05,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:06:05,890 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:06:05,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:06:05,891 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:06:05,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:06:05,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:06:05,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:06:05,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:06:05,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:06:05,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:06:05,893 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:06:05,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:06:05,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:06:05,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:06:05,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:06:05,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:06:05,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:06:05,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:06:05,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:06:05,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:06:05,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:06:05,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:06:05,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:06:05,898 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:06:05,899 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:06:05,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:06:05,899 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_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ef39c14b0f41147d1df64069011556a64ce74ff520b071f62407c2225292c50 [2022-11-16 11:06:06,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:06:06,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:06:06,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:06:06,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:06:06,207 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:06:06,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2022-11-16 11:06:06,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/data/d9fd943f4/8b41a9c6804d4f55b9d770ce8a61d546/FLAG447dc2c21 [2022-11-16 11:06:06,790 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:06:06,790 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c [2022-11-16 11:06:06,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/data/d9fd943f4/8b41a9c6804d4f55b9d770ce8a61d546/FLAG447dc2c21 [2022-11-16 11:06:07,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/data/d9fd943f4/8b41a9c6804d4f55b9d770ce8a61d546 [2022-11-16 11:06:07,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:06:07,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:06:07,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:06:07,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:06:07,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:06:07,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14afc6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07, skipping insertion in model container [2022-11-16 11:06:07,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:06:07,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:06:07,567 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2022-11-16 11:06:07,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:06:07,589 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:06:07,716 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/sv-benchmarks/c/product-lines/minepump_spec5_product51.cil.c[18485,18498] [2022-11-16 11:06:07,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:06:07,744 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:06:07,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07 WrapperNode [2022-11-16 11:06:07,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:06:07,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:06:07,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:06:07,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:06:07,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,797 INFO L138 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 25, calls inlined = 21, statements flattened = 265 [2022-11-16 11:06:07,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:06:07,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:06:07,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:06:07,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:06:07,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,822 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:06:07,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:06:07,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:06:07,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:06:07,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (1/1) ... [2022-11-16 11:06:07,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:06:07,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:06:07,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:06:07,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:06:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:06:07,931 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 11:06:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 11:06:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:06:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:06:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:06:07,932 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:06:07,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:06:07,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:06:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:06:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:06:07,934 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-16 11:06:07,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-16 11:06:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 11:06:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 11:06:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:06:07,935 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:06:07,935 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:06:07,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:06:07,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:06:08,035 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:06:08,038 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:06:08,442 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:06:08,450 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:06:08,450 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:06:08,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:06:08 BoogieIcfgContainer [2022-11-16 11:06:08,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:06:08,455 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:06:08,455 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:06:08,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:06:08,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:06:07" (1/3) ... [2022-11-16 11:06:08,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed657f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:06:08, skipping insertion in model container [2022-11-16 11:06:08,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:06:07" (2/3) ... [2022-11-16 11:06:08,461 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed657f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:06:08, skipping insertion in model container [2022-11-16 11:06:08,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:06:08" (3/3) ... [2022-11-16 11:06:08,462 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2022-11-16 11:06:08,481 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:06:08,481 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:06:08,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:06:08,542 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;@1dff8bd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:06:08,542 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:06:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 11:06:08,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 11:06:08,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:08,559 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:08,559 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:08,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:08,565 INFO L85 PathProgramCache]: Analyzing trace with hash 764297473, now seen corresponding path program 1 times [2022-11-16 11:06:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:08,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929526447] [2022-11-16 11:06:08,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:08,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:08,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:06:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:06:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:06:08,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:08,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929526447] [2022-11-16 11:06:08,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929526447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:08,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:08,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:06:08,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052758831] [2022-11-16 11:06:08,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:08,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:06:08,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:08,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:06:08,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:06:08,931 INFO L87 Difference]: Start difference. First operand has 99 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:06:08,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:08,980 INFO L93 Difference]: Finished difference Result 189 states and 256 transitions. [2022-11-16 11:06:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:06:08,985 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 11:06:08,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:08,999 INFO L225 Difference]: With dead ends: 189 [2022-11-16 11:06:08,999 INFO L226 Difference]: Without dead ends: 90 [2022-11-16 11:06:09,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:06:09,010 INFO L413 NwaCegarLoop]: 125 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, 125 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:09,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:06:09,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-16 11:06:09,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-16 11:06:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 76 states have internal predecessors, (89), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 11:06:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 116 transitions. [2022-11-16 11:06:09,090 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 116 transitions. Word has length 32 [2022-11-16 11:06:09,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:09,090 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 116 transitions. [2022-11-16 11:06:09,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:06:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 116 transitions. [2022-11-16 11:06:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 11:06:09,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:09,096 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:09,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:06:09,097 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:09,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:09,098 INFO L85 PathProgramCache]: Analyzing trace with hash -297054839, now seen corresponding path program 1 times [2022-11-16 11:06:09,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:09,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404168514] [2022-11-16 11:06:09,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:09,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:09,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:06:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:09,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 11:06:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:06:09,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:09,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404168514] [2022-11-16 11:06:09,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404168514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:09,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:09,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:06:09,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816445910] [2022-11-16 11:06:09,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:09,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:06:09,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:09,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:06:09,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:06:09,379 INFO L87 Difference]: Start difference. First operand 90 states and 116 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:06:09,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:09,665 INFO L93 Difference]: Finished difference Result 309 states and 412 transitions. [2022-11-16 11:06:09,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:06:09,666 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-16 11:06:09,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:09,669 INFO L225 Difference]: With dead ends: 309 [2022-11-16 11:06:09,670 INFO L226 Difference]: Without dead ends: 227 [2022-11-16 11:06:09,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:06:09,672 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 239 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:09,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 589 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:06:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-11-16 11:06:09,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 221. [2022-11-16 11:06:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 164 states have (on average 1.329268292682927) internal successors, (218), 182 states have internal predecessors, (218), 37 states have call successors, (37), 22 states have call predecessors, (37), 19 states have return successors, (37), 26 states have call predecessors, (37), 34 states have call successors, (37) [2022-11-16 11:06:09,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 292 transitions. [2022-11-16 11:06:09,718 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 292 transitions. Word has length 37 [2022-11-16 11:06:09,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:09,719 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 292 transitions. [2022-11-16 11:06:09,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:06:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 292 transitions. [2022-11-16 11:06:09,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 11:06:09,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:09,722 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:09,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:06:09,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:09,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:09,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1133604870, now seen corresponding path program 1 times [2022-11-16 11:06:09,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:09,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418320485] [2022-11-16 11:06:09,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:09,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:09,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:06:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:09,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 11:06:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:09,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:06:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:09,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-16 11:06:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:06:09,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:09,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418320485] [2022-11-16 11:06:09,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418320485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:09,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:09,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:06:09,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047029178] [2022-11-16 11:06:09,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:09,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:06:09,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:09,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:06:09,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:06:09,812 INFO L87 Difference]: Start difference. First operand 221 states and 292 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:06:09,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:09,999 INFO L93 Difference]: Finished difference Result 370 states and 484 transitions. [2022-11-16 11:06:09,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 11:06:10,000 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2022-11-16 11:06:10,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:10,002 INFO L225 Difference]: With dead ends: 370 [2022-11-16 11:06:10,004 INFO L226 Difference]: Without dead ends: 222 [2022-11-16 11:06:10,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:06:10,007 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 69 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:10,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 182 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:06:10,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2022-11-16 11:06:10,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 194. [2022-11-16 11:06:10,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 146 states have (on average 1.3493150684931507) internal successors, (197), 164 states have internal predecessors, (197), 28 states have call successors, (28), 19 states have call predecessors, (28), 19 states have return successors, (29), 20 states have call predecessors, (29), 28 states have call successors, (29) [2022-11-16 11:06:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2022-11-16 11:06:10,047 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 43 [2022-11-16 11:06:10,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:10,047 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2022-11-16 11:06:10,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:06:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2022-11-16 11:06:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 11:06:10,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:10,050 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:10,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:06:10,051 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:10,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:10,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1125311, now seen corresponding path program 1 times [2022-11-16 11:06:10,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:10,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512803999] [2022-11-16 11:06:10,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:10,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:06:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 11:06:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:06:10,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:10,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512803999] [2022-11-16 11:06:10,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512803999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:10,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:10,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:06:10,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820754014] [2022-11-16 11:06:10,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:10,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:06:10,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:10,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:06:10,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:06:10,351 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:06:10,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:10,555 INFO L93 Difference]: Finished difference Result 478 states and 641 transitions. [2022-11-16 11:06:10,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:06:10,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 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 41 [2022-11-16 11:06:10,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:10,565 INFO L225 Difference]: With dead ends: 478 [2022-11-16 11:06:10,565 INFO L226 Difference]: Without dead ends: 292 [2022-11-16 11:06:10,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:06:10,575 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 50 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:10,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 489 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:06:10,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-11-16 11:06:10,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 275. [2022-11-16 11:06:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 207 states have (on average 1.289855072463768) internal successors, (267), 224 states have internal predecessors, (267), 37 states have call successors, (37), 30 states have call predecessors, (37), 30 states have return successors, (47), 34 states have call predecessors, (47), 37 states have call successors, (47) [2022-11-16 11:06:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 351 transitions. [2022-11-16 11:06:10,643 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 351 transitions. Word has length 41 [2022-11-16 11:06:10,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:10,644 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 351 transitions. [2022-11-16 11:06:10,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:06:10,645 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 351 transitions. [2022-11-16 11:06:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 11:06:10,646 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:10,647 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:10,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:06:10,647 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:10,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:10,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1784621037, now seen corresponding path program 1 times [2022-11-16 11:06:10,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:10,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797139618] [2022-11-16 11:06:10,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:10,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:06:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:06:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:10,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:06:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:06:10,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:10,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797139618] [2022-11-16 11:06:10,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797139618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:10,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:10,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:06:10,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527768643] [2022-11-16 11:06:10,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:10,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:06:10,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:10,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:06:10,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:06:10,769 INFO L87 Difference]: Start difference. First operand 275 states and 351 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:06:10,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:10,954 INFO L93 Difference]: Finished difference Result 602 states and 780 transitions. [2022-11-16 11:06:10,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:06:10,955 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-16 11:06:10,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:10,961 INFO L225 Difference]: With dead ends: 602 [2022-11-16 11:06:10,962 INFO L226 Difference]: Without dead ends: 335 [2022-11-16 11:06:10,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:06:10,978 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 68 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:10,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 389 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:06:10,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2022-11-16 11:06:11,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 327. [2022-11-16 11:06:11,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 249 states have (on average 1.2730923694779117) internal successors, (317), 266 states have internal predecessors, (317), 41 states have call successors, (41), 30 states have call predecessors, (41), 36 states have return successors, (57), 42 states have call predecessors, (57), 41 states have call successors, (57) [2022-11-16 11:06:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 415 transitions. [2022-11-16 11:06:11,036 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 415 transitions. Word has length 51 [2022-11-16 11:06:11,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:11,036 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 415 transitions. [2022-11-16 11:06:11,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:06:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 415 transitions. [2022-11-16 11:06:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 11:06:11,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:11,050 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:11,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:06:11,050 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:11,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:11,051 INFO L85 PathProgramCache]: Analyzing trace with hash 95677295, now seen corresponding path program 1 times [2022-11-16 11:06:11,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:11,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462782131] [2022-11-16 11:06:11,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:11,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:06:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:06:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:06:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:06:11,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:11,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462782131] [2022-11-16 11:06:11,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462782131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:11,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:11,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:06:11,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473404826] [2022-11-16 11:06:11,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:11,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:06:11,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:11,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:06:11,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:06:11,199 INFO L87 Difference]: Start difference. First operand 327 states and 415 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:06:11,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:11,345 INFO L93 Difference]: Finished difference Result 664 states and 863 transitions. [2022-11-16 11:06:11,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:06:11,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-16 11:06:11,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:11,349 INFO L225 Difference]: With dead ends: 664 [2022-11-16 11:06:11,349 INFO L226 Difference]: Without dead ends: 345 [2022-11-16 11:06:11,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:06:11,352 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 70 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:11,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 304 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:06:11,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2022-11-16 11:06:11,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 331. [2022-11-16 11:06:11,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 253 states have (on average 1.2687747035573123) internal successors, (321), 270 states have internal predecessors, (321), 41 states have call successors, (41), 30 states have call predecessors, (41), 36 states have return successors, (57), 42 states have call predecessors, (57), 41 states have call successors, (57) [2022-11-16 11:06:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 419 transitions. [2022-11-16 11:06:11,394 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 419 transitions. Word has length 51 [2022-11-16 11:06:11,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:11,394 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 419 transitions. [2022-11-16 11:06:11,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:06:11,394 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 419 transitions. [2022-11-16 11:06:11,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 11:06:11,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:11,396 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:11,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:06:11,397 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:11,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:11,397 INFO L85 PathProgramCache]: Analyzing trace with hash 518379121, now seen corresponding path program 1 times [2022-11-16 11:06:11,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:11,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256730734] [2022-11-16 11:06:11,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:11,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:06:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:11,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:06:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:06:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:06:11,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:11,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256730734] [2022-11-16 11:06:11,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256730734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:11,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:11,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:06:11,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407837386] [2022-11-16 11:06:11,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:11,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:06:11,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:11,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:06:11,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:06:11,595 INFO L87 Difference]: Start difference. First operand 331 states and 419 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:06:11,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:11,977 INFO L93 Difference]: Finished difference Result 996 states and 1308 transitions. [2022-11-16 11:06:11,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:06:11,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-16 11:06:11,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:11,988 INFO L225 Difference]: With dead ends: 996 [2022-11-16 11:06:11,988 INFO L226 Difference]: Without dead ends: 673 [2022-11-16 11:06:11,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:06:11,991 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 224 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:11,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 330 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:06:11,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-11-16 11:06:12,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 666. [2022-11-16 11:06:12,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 505 states have (on average 1.2356435643564356) internal successors, (624), 534 states have internal predecessors, (624), 88 states have call successors, (88), 71 states have call predecessors, (88), 72 states have return successors, (133), 86 states have call predecessors, (133), 88 states have call successors, (133) [2022-11-16 11:06:12,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 845 transitions. [2022-11-16 11:06:12,096 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 845 transitions. Word has length 51 [2022-11-16 11:06:12,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:12,096 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 845 transitions. [2022-11-16 11:06:12,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 11:06:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 845 transitions. [2022-11-16 11:06:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 11:06:12,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:12,098 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:12,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:06:12,099 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:12,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:12,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1241994025, now seen corresponding path program 1 times [2022-11-16 11:06:12,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:12,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103003775] [2022-11-16 11:06:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:12,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:12,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:06:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:06:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:12,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 11:06:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:06:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:12,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:06:12,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:12,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103003775] [2022-11-16 11:06:12,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103003775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:12,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:12,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:06:12,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987761623] [2022-11-16 11:06:12,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:12,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:06:12,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:12,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:06:12,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:06:12,460 INFO L87 Difference]: Start difference. First operand 666 states and 845 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 11:06:13,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:13,575 INFO L93 Difference]: Finished difference Result 2083 states and 2763 transitions. [2022-11-16 11:06:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-16 11:06:13,575 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2022-11-16 11:06:13,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:13,583 INFO L225 Difference]: With dead ends: 2083 [2022-11-16 11:06:13,583 INFO L226 Difference]: Without dead ends: 1562 [2022-11-16 11:06:13,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=969, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 11:06:13,591 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 583 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:13,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 879 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 11:06:13,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2022-11-16 11:06:13,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1268. [2022-11-16 11:06:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 963 states have (on average 1.2315680166147456) internal successors, (1186), 1025 states have internal predecessors, (1186), 165 states have call successors, (165), 123 states have call predecessors, (165), 139 states have return successors, (253), 162 states have call predecessors, (253), 165 states have call successors, (253) [2022-11-16 11:06:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1604 transitions. [2022-11-16 11:06:13,746 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1604 transitions. Word has length 55 [2022-11-16 11:06:13,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:13,746 INFO L495 AbstractCegarLoop]: Abstraction has 1268 states and 1604 transitions. [2022-11-16 11:06:13,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 11:06:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1604 transitions. [2022-11-16 11:06:13,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-16 11:06:13,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:13,750 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:13,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:06:13,751 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:13,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:13,751 INFO L85 PathProgramCache]: Analyzing trace with hash 311034572, now seen corresponding path program 1 times [2022-11-16 11:06:13,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:13,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290449645] [2022-11-16 11:06:13,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:13,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:06:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:06:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:06:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-16 11:06:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-16 11:06:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:06:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 11:06:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-16 11:06:14,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:14,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290449645] [2022-11-16 11:06:14,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290449645] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:06:14,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709776224] [2022-11-16 11:06:14,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:14,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:06:14,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:06:14,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:06:14,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:06:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:14,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:06:14,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:06:14,486 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:06:14,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:06:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-16 11:06:14,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709776224] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:06:14,756 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:06:14,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-11-16 11:06:14,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007993684] [2022-11-16 11:06:14,757 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:06:14,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 11:06:14,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:14,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 11:06:14,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:06:14,759 INFO L87 Difference]: Start difference. First operand 1268 states and 1604 transitions. Second operand has 16 states, 16 states have (on average 7.5) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-16 11:06:16,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:16,250 INFO L93 Difference]: Finished difference Result 2866 states and 3791 transitions. [2022-11-16 11:06:16,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-16 11:06:16,251 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 96 [2022-11-16 11:06:16,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:16,260 INFO L225 Difference]: With dead ends: 2866 [2022-11-16 11:06:16,260 INFO L226 Difference]: Without dead ends: 1737 [2022-11-16 11:06:16,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 215 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 685 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=429, Invalid=2121, Unknown=0, NotChecked=0, Total=2550 [2022-11-16 11:06:16,267 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 447 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:16,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1532 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 11:06:16,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1737 states. [2022-11-16 11:06:16,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1737 to 1422. [2022-11-16 11:06:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1422 states, 1064 states have (on average 1.211466165413534) internal successors, (1289), 1146 states have internal predecessors, (1289), 192 states have call successors, (192), 158 states have call predecessors, (192), 165 states have return successors, (262), 173 states have call predecessors, (262), 192 states have call successors, (262) [2022-11-16 11:06:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1743 transitions. [2022-11-16 11:06:16,433 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1743 transitions. Word has length 96 [2022-11-16 11:06:16,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:16,435 INFO L495 AbstractCegarLoop]: Abstraction has 1422 states and 1743 transitions. [2022-11-16 11:06:16,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.5) internal successors, (120), 11 states have internal predecessors, (120), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-16 11:06:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1743 transitions. [2022-11-16 11:06:16,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-16 11:06:16,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:16,443 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:16,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:06:16,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-16 11:06:16,658 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:16,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:16,659 INFO L85 PathProgramCache]: Analyzing trace with hash -562445059, now seen corresponding path program 1 times [2022-11-16 11:06:16,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:16,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026099210] [2022-11-16 11:06:16,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:16,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:06:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:06:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:16,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:06:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:06:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:06:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:06:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 11:06:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:06:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:06:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-16 11:06:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 11:06:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-16 11:06:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-16 11:06:16,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:16,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026099210] [2022-11-16 11:06:16,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026099210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:06:16,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:06:16,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:06:16,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186832359] [2022-11-16 11:06:16,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:06:16,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:06:16,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:16,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:06:16,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:06:16,860 INFO L87 Difference]: Start difference. First operand 1422 states and 1743 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 11:06:17,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:17,342 INFO L93 Difference]: Finished difference Result 2795 states and 3462 transitions. [2022-11-16 11:06:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:06:17,342 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 175 [2022-11-16 11:06:17,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:17,350 INFO L225 Difference]: With dead ends: 2795 [2022-11-16 11:06:17,350 INFO L226 Difference]: Without dead ends: 1512 [2022-11-16 11:06:17,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:06:17,355 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 192 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:17,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 488 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:06:17,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2022-11-16 11:06:17,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1440. [2022-11-16 11:06:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1082 states have (on average 1.2079482439926064) internal successors, (1307), 1164 states have internal predecessors, (1307), 192 states have call successors, (192), 158 states have call predecessors, (192), 165 states have return successors, (262), 173 states have call predecessors, (262), 192 states have call successors, (262) [2022-11-16 11:06:17,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 1761 transitions. [2022-11-16 11:06:17,510 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 1761 transitions. Word has length 175 [2022-11-16 11:06:17,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:17,510 INFO L495 AbstractCegarLoop]: Abstraction has 1440 states and 1761 transitions. [2022-11-16 11:06:17,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 11:06:17,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1761 transitions. [2022-11-16 11:06:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-16 11:06:17,516 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:06:17,516 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:17,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:06:17,516 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:06:17,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:06:17,517 INFO L85 PathProgramCache]: Analyzing trace with hash 116827195, now seen corresponding path program 1 times [2022-11-16 11:06:17,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:06:17,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305568136] [2022-11-16 11:06:17,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:17,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:06:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 11:06:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:06:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 11:06:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:06:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:06:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:06:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-16 11:06:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:06:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-16 11:06:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-16 11:06:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-16 11:06:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 11:06:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-16 11:06:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 88 proven. 30 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-16 11:06:17,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:06:17,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305568136] [2022-11-16 11:06:17,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305568136] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:06:17,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210665836] [2022-11-16 11:06:17,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:06:17,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:06:17,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:06:17,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:06:17,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:06:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:06:18,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 11:06:18,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:06:18,369 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 140 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-11-16 11:06:18,369 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:06:18,938 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 78 proven. 44 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-11-16 11:06:18,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210665836] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:06:18,938 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:06:18,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 25 [2022-11-16 11:06:18,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110912273] [2022-11-16 11:06:18,939 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:06:18,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-16 11:06:18,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:06:18,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-16 11:06:18,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2022-11-16 11:06:18,941 INFO L87 Difference]: Start difference. First operand 1440 states and 1761 transitions. Second operand has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (34), 8 states have call predecessors, (34), 9 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) [2022-11-16 11:06:20,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:06:20,434 INFO L93 Difference]: Finished difference Result 3072 states and 3890 transitions. [2022-11-16 11:06:20,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-16 11:06:20,435 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (34), 8 states have call predecessors, (34), 9 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) Word has length 175 [2022-11-16 11:06:20,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:06:20,437 INFO L225 Difference]: With dead ends: 3072 [2022-11-16 11:06:20,437 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:06:20,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 371 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=542, Invalid=2008, Unknown=0, NotChecked=0, Total=2550 [2022-11-16 11:06:20,446 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 709 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 1574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:06:20,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 1053 Invalid, 1574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 11:06:20,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:06:20,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:06:20,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:06:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:06:20,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2022-11-16 11:06:20,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:06:20,448 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:06:20,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.48) internal successors, (212), 22 states have internal predecessors, (212), 10 states have call successors, (34), 8 states have call predecessors, (34), 9 states have return successors, (31), 9 states have call predecessors, (31), 10 states have call successors, (31) [2022-11-16 11:06:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:06:20,448 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:06:20,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:06:20,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:06:20,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:06:20,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:06:35,046 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 160 167) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 11:06:35,046 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2022-11-16 11:06:35,046 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 160 167) no Hoare annotation was computed. [2022-11-16 11:06:35,046 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2022-11-16 11:06:35,047 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2022-11-16 11:06:35,047 INFO L899 garLoopResultBuilder]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2022-11-16 11:06:35,047 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 877 888) the Hoare annotation is: true [2022-11-16 11:06:35,047 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 877 888) no Hoare annotation was computed. [2022-11-16 11:06:35,047 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 279 308) no Hoare annotation was computed. [2022-11-16 11:06:35,047 INFO L902 garLoopResultBuilder]: At program point L289-2(lines 289 303) the Hoare annotation is: true [2022-11-16 11:06:35,048 INFO L902 garLoopResultBuilder]: At program point L285(line 285) the Hoare annotation is: true [2022-11-16 11:06:35,048 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 279 308) the Hoare annotation is: true [2022-11-16 11:06:35,048 INFO L899 garLoopResultBuilder]: For program point L285-1(line 285) no Hoare annotation was computed. [2022-11-16 11:06:35,048 INFO L902 garLoopResultBuilder]: At program point L304(lines 279 308) the Hoare annotation is: true [2022-11-16 11:06:35,048 INFO L899 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2022-11-16 11:06:35,048 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 297) no Hoare annotation was computed. [2022-11-16 11:06:35,048 INFO L902 garLoopResultBuilder]: At program point L293-1(lines 293 297) the Hoare annotation is: true [2022-11-16 11:06:35,049 INFO L899 garLoopResultBuilder]: For program point L290(line 290) no Hoare annotation was computed. [2022-11-16 11:06:35,049 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2022-11-16 11:06:35,049 INFO L895 garLoopResultBuilder]: At program point L857-2(lines 853 864) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-11-16 11:06:35,049 INFO L895 garLoopResultBuilder]: At program point L977(line 977) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3 .cse4) (or (and (= ~pumpRunning~0 0) .cse2 .cse5) (not (= |old(~pumpRunning~0)| 0)) .cse4) (or .cse0 .cse3 .cse4 (and .cse1 .cse2 .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 11:06:35,050 INFO L899 garLoopResultBuilder]: For program point L977-1(line 977) no Hoare annotation was computed. [2022-11-16 11:06:35,050 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-11-16 11:06:35,050 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2022-11-16 11:06:35,050 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2022-11-16 11:06:35,050 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2022-11-16 11:06:35,050 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2022-11-16 11:06:35,051 INFO L899 garLoopResultBuilder]: For program point L994(lines 994 1004) no Hoare annotation was computed. [2022-11-16 11:06:35,051 INFO L899 garLoopResultBuilder]: For program point L990(lines 990 1007) no Hoare annotation was computed. [2022-11-16 11:06:35,051 INFO L895 garLoopResultBuilder]: At program point L990-1(lines 982 1010) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse15 (<= 1 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse2 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse16 (<= ~waterLevel~0 1)) (.cse17 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (not .cse7))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (and .cse9 .cse2 .cse16 .cse17 .cse4 .cse6 .cse10)) (.cse13 (and .cse15 .cse1 .cse2 .cse16 .cse3 .cse17 .cse4 .cse6)) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse5 (= ~waterLevel~0 1))) (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (and .cse9 .cse2 .cse4 .cse5 .cse6 .cse10))) (or (and .cse9 .cse2 .cse4 .cse11 .cse6 .cse10) .cse0 .cse12 .cse7 .cse8 (and .cse1 .cse2 .cse3 .cse4 .cse11 .cse6) .cse13 .cse14) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse12 .cse7 .cse13 .cse14) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse9 .cse2 .cse4 .cse11) (and .cse15 .cse2 (= 2 ~waterLevel~0) .cse4 .cse11 .cse10) .cse8))))) [2022-11-16 11:06:35,052 INFO L895 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-11-16 11:06:35,052 INFO L899 garLoopResultBuilder]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2022-11-16 11:06:35,052 INFO L899 garLoopResultBuilder]: For program point L958(line 958) no Hoare annotation was computed. [2022-11-16 11:06:35,052 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 256) no Hoare annotation was computed. [2022-11-16 11:06:35,052 INFO L899 garLoopResultBuilder]: For program point L252-2(lines 252 256) no Hoare annotation was computed. [2022-11-16 11:06:35,053 INFO L895 garLoopResultBuilder]: At program point L979(lines 972 981) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse3) (not (<= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2)))) [2022-11-16 11:06:35,053 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse5 (<= ~waterLevel~0 1) .cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse7)) (.cse3 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse2 .cse3 .cse4) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse3 (= ~waterLevel~0 1) .cse0) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse2 .cse3)))) [2022-11-16 11:06:35,053 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-11-16 11:06:35,054 INFO L895 garLoopResultBuilder]: At program point L992(line 992) the Hoare annotation is: (let ((.cse16 (<= 1 ~pumpRunning~0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse17 (<= ~waterLevel~0 1)) (.cse18 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~9#1| ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (and .cse2 .cse3 .cse17 .cse18 .cse4 .cse6)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (= 0 ~systemActive~0)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (and .cse16 .cse7 .cse3 .cse17 .cse8 .cse18 .cse4 .cse6)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse5 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse3 .cse8 .cse4 .cse5 .cse6) .cse9 .cse10)) (or (not (= |old(~waterLevel~0)| 1)) .cse11 .cse0 .cse9 .cse12 .cse13) (or .cse14 .cse1 .cse10) (or (not (<= |old(~waterLevel~0)| 1)) .cse14 (and .cse2 .cse3 .cse4 .cse15)) (or (and .cse2 .cse3 .cse4 .cse15 .cse6) .cse11 .cse0 .cse9 .cse10 .cse12 (and .cse16 .cse7 .cse3 .cse8 .cse4 .cse15 .cse6) .cse13)))) [2022-11-16 11:06:35,054 INFO L899 garLoopResultBuilder]: For program point L992-1(line 992) no Hoare annotation was computed. [2022-11-16 11:06:35,054 INFO L895 garLoopResultBuilder]: At program point L959(lines 954 961) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse0) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 11:06:35,054 INFO L895 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse13 (<= ~waterLevel~0 1)) (.cse11 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (and .cse8 .cse10 .cse6 .cse13 .cse11 .cse14 .cse12)) (.cse2 (and .cse5 .cse6 .cse13 .cse14 .cse12)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse9 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse4) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse5 .cse6 .cse7) (and .cse8 .cse6 (= 2 ~waterLevel~0) .cse7 (not .cse3)) .cse9) (or .cse0 (and .cse8 .cse10 .cse6 .cse11 .cse7 .cse12) .cse1 .cse2 (and .cse5 .cse6 .cse7 .cse12) .cse3 .cse9 .cse4) (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse3 (= ~waterLevel~0 1) .cse9)))) [2022-11-16 11:06:35,055 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not .cse1))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse4) (or .cse3 .cse4 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 11:06:35,055 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 127 151) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (<= ~waterLevel~0 1)) (.cse10 (= |timeShift_processEnvironment_~tmp~1#1| 0)) (.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and .cse9 .cse13 .cse10 .cse14 .cse12)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and .cse7 .cse13 .cse14 .cse12)) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (let ((.cse6 (not .cse2))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse5 .cse6) (and .cse7 .cse5 .cse6) .cse8)) (let ((.cse11 (= ~waterLevel~0 1))) (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse9 .cse10 .cse11 .cse12) .cse2 .cse8 (and .cse7 .cse11 .cse12))) (or .cse0 (and .cse9 .cse10 .cse5 .cse12) .cse1 (and .cse7 .cse5 .cse12) .cse2 .cse8 .cse3 .cse4)))) [2022-11-16 11:06:35,055 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 .cse2 (< 1 ~waterLevel~0) (<= ~waterLevel~0 2)) .cse3 .cse4) (or (and (= ~pumpRunning~0 0) .cse2 .cse5) (not (= |old(~pumpRunning~0)| 0)) .cse4) (or .cse0 .cse3 .cse4 (and .cse1 .cse2 .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 11:06:35,055 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2022-11-16 11:06:35,056 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2022-11-16 11:06:35,056 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 958) no Hoare annotation was computed. [2022-11-16 11:06:35,056 INFO L895 garLoopResultBuilder]: At program point L258(lines 243 261) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and .cse1 (<= ~waterLevel~0 1) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) .cse3 .cse4 .cse5 .cse6) (or .cse3 (not (< 1 |old(~waterLevel~0)|)) (and .cse1 (= ~waterLevel~0 1) .cse2) .cse5 .cse0) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse5 .cse6)))) [2022-11-16 11:06:35,056 INFO L895 garLoopResultBuilder]: At program point L440(lines 391 441) the Hoare annotation is: false [2022-11-16 11:06:35,057 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 434) no Hoare annotation was computed. [2022-11-16 11:06:35,057 INFO L895 garLoopResultBuilder]: At program point L428-2(lines 422 435) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 (< 1 ~waterLevel~0) .cse3 .cse4 (<= ~waterLevel~0 2) .cse6) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse3 .cse4))) [2022-11-16 11:06:35,057 INFO L895 garLoopResultBuilder]: At program point L969(lines 964 971) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:06:35,057 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:06:35,057 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:06:35,057 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:06:35,058 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 418) no Hoare annotation was computed. [2022-11-16 11:06:35,058 INFO L899 garLoopResultBuilder]: For program point L412-1(lines 412 418) no Hoare annotation was computed. [2022-11-16 11:06:35,058 INFO L895 garLoopResultBuilder]: At program point L437(lines 392 439) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4 .cse7) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse7) (and .cse0 .cse6 .cse1 .cse3 .cse4))) [2022-11-16 11:06:35,058 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse7 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4 .cse7) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse7) (and .cse0 .cse6 .cse1 .cse3 .cse4))) [2022-11-16 11:06:35,059 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2022-11-16 11:06:35,059 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:06:35,059 INFO L895 garLoopResultBuilder]: At program point L479(lines 474 482) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:06:35,059 INFO L895 garLoopResultBuilder]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:06:35,059 INFO L895 garLoopResultBuilder]: At program point L339(lines 335 341) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:06:35,059 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 375) no Hoare annotation was computed. [2022-11-16 11:06:35,060 INFO L899 garLoopResultBuilder]: For program point L368-2(lines 368 375) no Hoare annotation was computed. [2022-11-16 11:06:35,060 INFO L899 garLoopResultBuilder]: For program point L393(lines 392 439) no Hoare annotation was computed. [2022-11-16 11:06:35,060 INFO L899 garLoopResultBuilder]: For program point L422(lines 422 435) no Hoare annotation was computed. [2022-11-16 11:06:35,060 INFO L902 garLoopResultBuilder]: At program point L352(lines 344 354) the Hoare annotation is: true [2022-11-16 11:06:35,060 INFO L895 garLoopResultBuilder]: At program point L414(line 414) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 (< 1 ~waterLevel~0) .cse3 .cse4 (<= ~waterLevel~0 2) .cse6) (and .cse5 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse3 .cse4))) [2022-11-16 11:06:35,061 INFO L902 garLoopResultBuilder]: At program point L443(lines 382 447) the Hoare annotation is: true [2022-11-16 11:06:35,061 INFO L902 garLoopResultBuilder]: At program point L377(lines 358 380) the Hoare annotation is: true [2022-11-16 11:06:35,061 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 408) no Hoare annotation was computed. [2022-11-16 11:06:35,061 INFO L895 garLoopResultBuilder]: At program point L274(lines 262 276) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2022-11-16 11:06:35,061 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2022-11-16 11:06:35,062 INFO L895 garLoopResultBuilder]: At program point L464(lines 460 466) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 11:06:35,062 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2022-11-16 11:06:35,062 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 272) no Hoare annotation was computed. [2022-11-16 11:06:35,062 INFO L899 garLoopResultBuilder]: For program point L266-1(lines 266 272) no Hoare annotation was computed. [2022-11-16 11:06:35,062 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-16 11:06:35,063 INFO L895 garLoopResultBuilder]: At program point L157(lines 152 159) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 11:06:35,063 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-16 11:06:35,063 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2022-11-16 11:06:35,063 INFO L899 garLoopResultBuilder]: For program point L934(lines 934 940) no Hoare annotation was computed. [2022-11-16 11:06:35,063 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2022-11-16 11:06:35,063 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) (not (<= ~waterLevel~0 2)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1)) .cse0 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 11:06:35,064 INFO L895 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0)) .cse2 .cse0 .cse1) (or .cse2 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse1))) [2022-11-16 11:06:35,064 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-11-16 11:06:35,064 INFO L895 garLoopResultBuilder]: At program point L939(lines 930 943) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse2))) [2022-11-16 11:06:35,064 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2022-11-16 11:06:35,065 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2022-11-16 11:06:35,065 INFO L899 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2022-11-16 11:06:35,065 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 865 876) no Hoare annotation was computed. [2022-11-16 11:06:35,065 INFO L899 garLoopResultBuilder]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2022-11-16 11:06:35,065 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 865 876) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse0 .cse4 .cse2) (or .cse4 .cse5 .cse2) (or .cse1 .cse5 .cse2 .cse3))) [2022-11-16 11:06:35,065 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2022-11-16 11:06:35,066 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 179 187) the Hoare annotation is: true [2022-11-16 11:06:35,066 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 179 187) no Hoare annotation was computed. [2022-11-16 11:06:35,069 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:06:35,071 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:06:35,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:06:35 BoogieIcfgContainer [2022-11-16 11:06:35,129 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:06:35,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:06:35,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:06:35,130 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:06:35,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:06:08" (3/4) ... [2022-11-16 11:06:35,134 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:06:35,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 11:06:35,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 11:06:35,140 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:06:35,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:06:35,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:06:35,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:06:35,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:06:35,141 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-16 11:06:35,154 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-11-16 11:06:35,155 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:06:35,155 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:06:35,156 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:06:35,156 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:06:35,157 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:06:35,157 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:06:35,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 11:06:35,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-11-16 11:06:35,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-11-16 11:06:35,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) [2022-11-16 11:06:35,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2022-11-16 11:06:35,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 11:06:35,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || (((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) && ((((((((((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || (((((1 <= pumpRunning && waterLevel == \result) && 2 == waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) [2022-11-16 11:06:35,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 11:06:35,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 11:06:35,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) [2022-11-16 11:06:35,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || ((((1 <= pumpRunning && waterLevel == \result) && 2 == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) [2022-11-16 11:06:35,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 11:06:35,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-11-16 11:06:35,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 11:06:35,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) [2022-11-16 11:06:35,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-11-16 11:06:35,240 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:06:35,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:06:35,241 INFO L158 Benchmark]: Toolchain (without parser) took 28102.99ms. Allocated memory was 125.8MB in the beginning and 337.6MB in the end (delta: 211.8MB). Free memory was 83.6MB in the beginning and 162.1MB in the end (delta: -78.5MB). Peak memory consumption was 133.5MB. Max. memory is 16.1GB. [2022-11-16 11:06:35,241 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:06:35,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.54ms. Allocated memory is still 125.8MB. Free memory was 83.4MB in the beginning and 91.0MB in the end (delta: -7.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:06:35,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.25ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 88.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:06:35,242 INFO L158 Benchmark]: Boogie Preprocessor took 27.45ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 86.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:06:35,242 INFO L158 Benchmark]: RCFGBuilder took 626.42ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 67.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:06:35,242 INFO L158 Benchmark]: TraceAbstraction took 26674.03ms. Allocated memory was 125.8MB in the beginning and 337.6MB in the end (delta: 211.8MB). Free memory was 66.4MB in the beginning and 168.4MB in the end (delta: -102.0MB). Peak memory consumption was 172.3MB. Max. memory is 16.1GB. [2022-11-16 11:06:35,242 INFO L158 Benchmark]: Witness Printer took 110.58ms. Allocated memory is still 337.6MB. Free memory was 168.4MB in the beginning and 162.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:06:35,244 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 100.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.54ms. Allocated memory is still 125.8MB. Free memory was 83.4MB in the beginning and 91.0MB in the end (delta: -7.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.25ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 88.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.45ms. Allocated memory is still 125.8MB. Free memory was 88.5MB in the beginning and 86.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 626.42ms. Allocated memory is still 125.8MB. Free memory was 86.4MB in the beginning and 67.2MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 26674.03ms. Allocated memory was 125.8MB in the beginning and 337.6MB in the end (delta: 211.8MB). Free memory was 66.4MB in the beginning and 168.4MB in the end (delta: -102.0MB). Peak memory consumption was 172.3MB. Max. memory is 16.1GB. * Witness Printer took 110.58ms. Allocated memory is still 337.6MB. Free memory was 168.4MB in the beginning and 162.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 958]: 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 9 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.6s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2696 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2651 mSDsluCounter, 6360 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5006 mSDsCounter, 861 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4277 IncrementalHoareTripleChecker+Invalid, 5138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 861 mSolverCounterUnsat, 1354 mSDtfsCounter, 4277 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 682 SyntacticMatches, 10 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1553 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1440occurred in iteration=10, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 761 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 3720 PreInvPairs, 4409 NumberOfFragments, 2680 HoareAnnotationTreeSize, 3720 FomulaSimplifications, 14057 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 57742 FormulaSimplificationTreeSizeReductionInter, 11.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1078 NumberOfCodeBlocks, 1078 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1334 ConstructedInterpolants, 0 QuantifiedInterpolants, 2715 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1150 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 779/883 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: 944]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((\result == 0 && tmp___0 == 0) || !(\old(pumpRunning) == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 262]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 == waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) || (((((1 <= pumpRunning && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((pumpRunning == 0 && 2 == waterLevel) && \result == 1) && tmp == 1) && splverifierCounter == 0) - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive) || \result == 1) && (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: (((((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || (((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) && ((((((((((((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && waterLevel == \result) && tmp == 0) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || (((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && tmp == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel == \result) && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || (((((1 <= pumpRunning && waterLevel == \result) && 2 == waterLevel) && tmp == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((((((!(\old(waterLevel) == 1) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && 2 == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == \old(pumpRunning) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: ((((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(\old(waterLevel) == 1)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel)) || ((((1 <= pumpRunning && waterLevel == \result) && 2 == waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2))) && (((((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && tmp == 0) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((pumpRunning == 0 && waterLevel == \result) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel == \result) && waterLevel <= 1) && tmp == 0) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel == \result) && waterLevel <= 1) && waterLevel + 1 <= \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:06:35,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fc59b9a-7813-4850-a42a-f80711646463/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE