./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G --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 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:33:19,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:33:19,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:33:19,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:33:19,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:33:19,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:33:19,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:33:19,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:33:19,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:33:19,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:33:19,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:33:19,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:33:19,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:33:19,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:33:19,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:33:19,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:33:19,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:33:19,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:33:19,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:33:19,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:33:19,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:33:19,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:33:19,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:33:19,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:33:19,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:33:19,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:33:19,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:33:19,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:33:19,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:33:19,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:33:19,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:33:19,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:33:19,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:33:19,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:33:19,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:33:19,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:33:19,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:33:19,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:33:19,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:33:19,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:33:19,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:33:19,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:33:19,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:33:19,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:33:19,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:33:19,870 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:33:19,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:33:19,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:33:19,880 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:33:19,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:33:19,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:33:19,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:33:19,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:33:19,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:33:19,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:33:19,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:33:19,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:33:19,883 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:33:19,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:33:19,883 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:33:19,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:33:19,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:33:19,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:33:19,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:33:19,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:33:19,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:33:19,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:33:19,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:33:19,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:33:19,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:33:19,886 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:33:19,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:33:19,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:33:19,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:33:19,888 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_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab30b3db91b0e47e6f9b2ed9ba465facc49148e5cdc1cad78e4808ba0c7de84 [2021-11-23 13:33:20,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:33:20,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:33:20,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:33:20,211 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:33:20,211 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:33:20,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-11-23 13:33:20,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/data/75b3747b2/1bf5d7f5f9d94f0e95094425c28ee73c/FLAG73cdbe5fd [2021-11-23 13:33:20,862 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:33:20,863 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c [2021-11-23 13:33:20,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/data/75b3747b2/1bf5d7f5f9d94f0e95094425c28ee73c/FLAG73cdbe5fd [2021-11-23 13:33:21,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/data/75b3747b2/1bf5d7f5f9d94f0e95094425c28ee73c [2021-11-23 13:33:21,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:33:21,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:33:21,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:33:21,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:33:21,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:33:21,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248f3423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21, skipping insertion in model container [2021-11-23 13:33:21,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:33:21,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:33:21,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-11-23 13:33:21,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:33:21,669 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:33:21,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/sv-benchmarks/c/product-lines/minepump_spec5_product37.cil.c[5071,5084] [2021-11-23 13:33:21,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:33:21,772 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:33:21,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21 WrapperNode [2021-11-23 13:33:21,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:33:21,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:33:21,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:33:21,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:33:21,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,871 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 53, calls inlined = 84, statements flattened = 653 [2021-11-23 13:33:21,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:33:21,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:33:21,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:33:21,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:33:21,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:33:21,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:33:21,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:33:21,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:33:21,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (1/1) ... [2021-11-23 13:33:21,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:33:21,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:33:21,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:33:22,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:33:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:33:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:33:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:33:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:33:22,150 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:33:22,151 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:33:22,634 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:33:22,650 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:33:22,650 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 13:33:22,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:22 BoogieIcfgContainer [2021-11-23 13:33:22,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:33:22,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:33:22,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:33:22,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:33:22,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:33:21" (1/3) ... [2021-11-23 13:33:22,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1896c577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:33:22, skipping insertion in model container [2021-11-23 13:33:22,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:21" (2/3) ... [2021-11-23 13:33:22,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1896c577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:33:22, skipping insertion in model container [2021-11-23 13:33:22,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:22" (3/3) ... [2021-11-23 13:33:22,688 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2021-11-23 13:33:22,694 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:33:22,694 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 13:33:22,748 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:33:22,756 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 13:33:22,756 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 13:33:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 165 states have (on average 1.387878787878788) internal successors, (229), 168 states have internal predecessors, (229), 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) [2021-11-23 13:33:22,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 13:33:22,788 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:22,789 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:22,790 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:22,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:22,796 INFO L85 PathProgramCache]: Analyzing trace with hash 446515727, now seen corresponding path program 1 times [2021-11-23 13:33:22,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:22,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854686108] [2021-11-23 13:33:22,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:22,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:23,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:23,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854686108] [2021-11-23 13:33:23,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854686108] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:33:23,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:33:23,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:33:23,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257056701] [2021-11-23 13:33:23,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:33:23,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:33:23,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:23,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:33:23,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:33:23,084 INFO L87 Difference]: Start difference. First operand has 169 states, 165 states have (on average 1.387878787878788) internal successors, (229), 168 states have internal predecessors, (229), 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) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-11-23 13:33:23,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:23,124 INFO L93 Difference]: Finished difference Result 327 states and 446 transitions. [2021-11-23 13:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:33:23,132 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) Word has length 21 [2021-11-23 13:33:23,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:23,145 INFO L225 Difference]: With dead ends: 327 [2021-11-23 13:33:23,145 INFO L226 Difference]: Without dead ends: 159 [2021-11-23 13:33:23,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:33:23,152 INFO L933 BasicCegarLoop]: 219 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, 219 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 [2021-11-23 13:33:23,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:33:23,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-11-23 13:33:23,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2021-11-23 13:33:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 156 states have (on average 1.3525641025641026) internal successors, (211), 158 states have internal predecessors, (211), 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) [2021-11-23 13:33:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 211 transitions. [2021-11-23 13:33:23,210 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 211 transitions. Word has length 21 [2021-11-23 13:33:23,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:23,210 INFO L470 AbstractCegarLoop]: Abstraction has 159 states and 211 transitions. [2021-11-23 13:33:23,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-11-23 13:33:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 211 transitions. [2021-11-23 13:33:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 13:33:23,212 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:23,212 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:23,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:33:23,213 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:23,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:23,214 INFO L85 PathProgramCache]: Analyzing trace with hash -2054120631, now seen corresponding path program 1 times [2021-11-23 13:33:23,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:23,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684631698] [2021-11-23 13:33:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:23,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:23,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:23,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684631698] [2021-11-23 13:33:23,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684631698] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:33:23,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:33:23,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:33:23,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266510140] [2021-11-23 13:33:23,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:33:23,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:33:23,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:23,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:33:23,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:33:23,297 INFO L87 Difference]: Start difference. First operand 159 states and 211 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-23 13:33:23,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:23,316 INFO L93 Difference]: Finished difference Result 159 states and 211 transitions. [2021-11-23 13:33:23,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:33:23,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) Word has length 22 [2021-11-23 13:33:23,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:23,318 INFO L225 Difference]: With dead ends: 159 [2021-11-23 13:33:23,318 INFO L226 Difference]: Without dead ends: 66 [2021-11-23 13:33:23,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:33:23,321 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 78 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:33:23,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 93 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:33:23,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-23 13:33:23,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-11-23 13:33:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 65 states have internal predecessors, (87), 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) [2021-11-23 13:33:23,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 87 transitions. [2021-11-23 13:33:23,342 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 87 transitions. Word has length 22 [2021-11-23 13:33:23,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:23,342 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 87 transitions. [2021-11-23 13:33:23,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2021-11-23 13:33:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2021-11-23 13:33:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 13:33:23,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:23,344 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:23,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:33:23,345 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:23,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:23,345 INFO L85 PathProgramCache]: Analyzing trace with hash 502577732, now seen corresponding path program 1 times [2021-11-23 13:33:23,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:23,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802013548] [2021-11-23 13:33:23,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:23,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:23,429 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:23,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802013548] [2021-11-23 13:33:23,430 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802013548] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:33:23,430 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:33:23,430 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:33:23,430 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700683773] [2021-11-23 13:33:23,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:33:23,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:33:23,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:23,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:33:23,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:33:23,432 INFO L87 Difference]: Start difference. First operand 66 states and 87 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-11-23 13:33:23,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:23,448 INFO L93 Difference]: Finished difference Result 124 states and 166 transitions. [2021-11-23 13:33:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:33:23,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) Word has length 28 [2021-11-23 13:33:23,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:23,450 INFO L225 Difference]: With dead ends: 124 [2021-11-23 13:33:23,450 INFO L226 Difference]: Without dead ends: 66 [2021-11-23 13:33:23,451 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:33:23,453 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 66 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:33:23,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 85 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:33:23,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-11-23 13:33:23,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2021-11-23 13:33:23,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 65 states have (on average 1.323076923076923) internal successors, (86), 65 states have internal predecessors, (86), 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) [2021-11-23 13:33:23,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2021-11-23 13:33:23,465 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 28 [2021-11-23 13:33:23,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:23,465 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2021-11-23 13:33:23,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-11-23 13:33:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2021-11-23 13:33:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 13:33:23,467 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:23,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:23,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:33:23,468 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:23,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:23,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2070872627, now seen corresponding path program 1 times [2021-11-23 13:33:23,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:23,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168485248] [2021-11-23 13:33:23,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:23,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:23,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:23,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168485248] [2021-11-23 13:33:23,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168485248] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:33:23,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:33:23,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:33:23,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990302534] [2021-11-23 13:33:23,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:33:23,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:33:23,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:23,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:33:23,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:33:23,545 INFO L87 Difference]: Start difference. First operand 66 states and 86 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2021-11-23 13:33:23,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:23,603 INFO L93 Difference]: Finished difference Result 155 states and 205 transitions. [2021-11-23 13:33:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:33:23,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) Word has length 33 [2021-11-23 13:33:23,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:23,605 INFO L225 Difference]: With dead ends: 155 [2021-11-23 13:33:23,605 INFO L226 Difference]: Without dead ends: 97 [2021-11-23 13:33:23,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:33:23,608 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 46 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:33:23,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 139 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:33:23,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-11-23 13:33:23,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2021-11-23 13:33:23,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.3085106382978724) internal successors, (123), 94 states have internal predecessors, (123), 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) [2021-11-23 13:33:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2021-11-23 13:33:23,624 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 123 transitions. Word has length 33 [2021-11-23 13:33:23,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:23,625 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 123 transitions. [2021-11-23 13:33:23,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) [2021-11-23 13:33:23,626 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2021-11-23 13:33:23,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 13:33:23,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:23,627 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:23,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:33:23,628 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:23,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:23,629 INFO L85 PathProgramCache]: Analyzing trace with hash 557173899, now seen corresponding path program 1 times [2021-11-23 13:33:23,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:23,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179187443] [2021-11-23 13:33:23,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:23,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:23,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:23,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179187443] [2021-11-23 13:33:23,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179187443] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:33:23,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:33:23,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:33:23,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150399898] [2021-11-23 13:33:23,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:33:23,758 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:33:23,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:23,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:33:23,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:33:23,761 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-11-23 13:33:23,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:23,937 INFO L93 Difference]: Finished difference Result 253 states and 327 transitions. [2021-11-23 13:33:23,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:33:23,938 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) Word has length 39 [2021-11-23 13:33:23,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:23,940 INFO L225 Difference]: With dead ends: 253 [2021-11-23 13:33:23,940 INFO L226 Difference]: Without dead ends: 166 [2021-11-23 13:33:23,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:33:23,943 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 178 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:33:23,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 412 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:33:23,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-11-23 13:33:23,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 101. [2021-11-23 13:33:23,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.29) internal successors, (129), 100 states have internal predecessors, (129), 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) [2021-11-23 13:33:23,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 129 transitions. [2021-11-23 13:33:23,976 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 129 transitions. Word has length 39 [2021-11-23 13:33:23,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:23,978 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 129 transitions. [2021-11-23 13:33:23,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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) [2021-11-23 13:33:23,979 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 129 transitions. [2021-11-23 13:33:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 13:33:23,986 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:23,986 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:23,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 13:33:23,987 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:23,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:23,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1173249035, now seen corresponding path program 1 times [2021-11-23 13:33:23,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:23,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970137840] [2021-11-23 13:33:23,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:23,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:24,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:24,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970137840] [2021-11-23 13:33:24,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970137840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:33:24,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:33:24,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 13:33:24,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943587397] [2021-11-23 13:33:24,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:33:24,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:33:24,076 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:24,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:33:24,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:33:24,078 INFO L87 Difference]: Start difference. First operand 101 states and 129 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-23 13:33:24,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:24,223 INFO L93 Difference]: Finished difference Result 350 states and 448 transitions. [2021-11-23 13:33:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 13:33:24,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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) Word has length 39 [2021-11-23 13:33:24,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:24,229 INFO L225 Difference]: With dead ends: 350 [2021-11-23 13:33:24,230 INFO L226 Difference]: Without dead ends: 257 [2021-11-23 13:33:24,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-23 13:33:24,243 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 217 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:33:24,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 482 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:33:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-11-23 13:33:24,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 100. [2021-11-23 13:33:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.2727272727272727) internal successors, (126), 99 states have internal predecessors, (126), 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) [2021-11-23 13:33:24,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2021-11-23 13:33:24,281 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 39 [2021-11-23 13:33:24,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:24,281 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2021-11-23 13:33:24,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-23 13:33:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2021-11-23 13:33:24,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 13:33:24,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:24,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:24,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 13:33:24,284 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:24,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:24,287 INFO L85 PathProgramCache]: Analyzing trace with hash -453943351, now seen corresponding path program 1 times [2021-11-23 13:33:24,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:24,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034768034] [2021-11-23 13:33:24,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:24,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:24,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:24,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034768034] [2021-11-23 13:33:24,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034768034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:33:24,367 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:33:24,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 13:33:24,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467552063] [2021-11-23 13:33:24,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:33:24,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 13:33:24,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:24,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 13:33:24,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 13:33:24,369 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-23 13:33:24,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:24,411 INFO L93 Difference]: Finished difference Result 234 states and 295 transitions. [2021-11-23 13:33:24,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 13:33:24,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) Word has length 39 [2021-11-23 13:33:24,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:24,414 INFO L225 Difference]: With dead ends: 234 [2021-11-23 13:33:24,414 INFO L226 Difference]: Without dead ends: 142 [2021-11-23 13:33:24,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:33:24,420 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 94 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:33:24,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 259 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:33:24,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-11-23 13:33:24,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 104. [2021-11-23 13:33:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 103 states have (on average 1.2621359223300972) internal successors, (130), 103 states have internal predecessors, (130), 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) [2021-11-23 13:33:24,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 130 transitions. [2021-11-23 13:33:24,443 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 130 transitions. Word has length 39 [2021-11-23 13:33:24,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:24,444 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 130 transitions. [2021-11-23 13:33:24,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-23 13:33:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2021-11-23 13:33:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 13:33:24,445 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:24,445 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:24,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 13:33:24,446 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:24,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:24,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1475011705, now seen corresponding path program 1 times [2021-11-23 13:33:24,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:24,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360882197] [2021-11-23 13:33:24,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:24,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:24,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:24,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360882197] [2021-11-23 13:33:24,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360882197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:33:24,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:33:24,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:33:24,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39444001] [2021-11-23 13:33:24,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:33:24,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:33:24,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:24,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:33:24,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:33:24,487 INFO L87 Difference]: Start difference. First operand 104 states and 130 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-11-23 13:33:24,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:24,520 INFO L93 Difference]: Finished difference Result 277 states and 351 transitions. [2021-11-23 13:33:24,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:33:24,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) Word has length 39 [2021-11-23 13:33:24,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:24,522 INFO L225 Difference]: With dead ends: 277 [2021-11-23 13:33:24,522 INFO L226 Difference]: Without dead ends: 181 [2021-11-23 13:33:24,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:33:24,524 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 47 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:33:24,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 164 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:33:24,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2021-11-23 13:33:24,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 179. [2021-11-23 13:33:24,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.2584269662921348) internal successors, (224), 178 states have internal predecessors, (224), 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) [2021-11-23 13:33:24,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 224 transitions. [2021-11-23 13:33:24,542 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 224 transitions. Word has length 39 [2021-11-23 13:33:24,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:24,543 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 224 transitions. [2021-11-23 13:33:24,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-11-23 13:33:24,543 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 224 transitions. [2021-11-23 13:33:24,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 13:33:24,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:24,550 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:24,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 13:33:24,551 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:24,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:24,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1332828716, now seen corresponding path program 1 times [2021-11-23 13:33:24,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:24,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546512441] [2021-11-23 13:33:24,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:24,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:24,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:24,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546512441] [2021-11-23 13:33:24,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546512441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:33:24,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:33:24,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 13:33:24,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208008667] [2021-11-23 13:33:24,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:33:24,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 13:33:24,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:24,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 13:33:24,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:33:24,648 INFO L87 Difference]: Start difference. First operand 179 states and 224 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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) [2021-11-23 13:33:24,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:24,838 INFO L93 Difference]: Finished difference Result 637 states and 807 transitions. [2021-11-23 13:33:24,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 13:33:24,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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) Word has length 41 [2021-11-23 13:33:24,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:24,844 INFO L225 Difference]: With dead ends: 637 [2021-11-23 13:33:24,844 INFO L226 Difference]: Without dead ends: 466 [2021-11-23 13:33:24,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-11-23 13:33:24,846 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 382 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:33:24,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [382 Valid, 538 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:33:24,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-11-23 13:33:24,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 180. [2021-11-23 13:33:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 179 states have (on average 1.23463687150838) internal successors, (221), 179 states have internal predecessors, (221), 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) [2021-11-23 13:33:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 221 transitions. [2021-11-23 13:33:24,873 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 221 transitions. Word has length 41 [2021-11-23 13:33:24,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:24,874 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 221 transitions. [2021-11-23 13:33:24,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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) [2021-11-23 13:33:24,874 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 221 transitions. [2021-11-23 13:33:24,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 13:33:24,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:33:24,875 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:24,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 13:33:24,876 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:33:24,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:33:24,877 INFO L85 PathProgramCache]: Analyzing trace with hash -776991812, now seen corresponding path program 1 times [2021-11-23 13:33:24,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:33:24,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462066955] [2021-11-23 13:33:24,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:24,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:33:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:24,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:24,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:33:24,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462066955] [2021-11-23 13:33:24,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462066955] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:33:24,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006378844] [2021-11-23 13:33:24,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:33:24,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:33:24,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:33:24,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:33:24,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 13:33:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:33:25,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 13:33:25,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:33:25,381 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:25,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 13:33:25,544 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:33:25,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006378844] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 13:33:25,545 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 13:33:25,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2021-11-23 13:33:25,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710149767] [2021-11-23 13:33:25,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 13:33:25,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-23 13:33:25,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:33:25,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-23 13:33:25,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-23 13:33:25,549 INFO L87 Difference]: Start difference. First operand 180 states and 221 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 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) [2021-11-23 13:33:25,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:33:25,685 INFO L93 Difference]: Finished difference Result 398 states and 500 transitions. [2021-11-23 13:33:25,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 13:33:25,686 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 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) Word has length 69 [2021-11-23 13:33:25,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:33:25,688 INFO L225 Difference]: With dead ends: 398 [2021-11-23 13:33:25,688 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 13:33:25,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2021-11-23 13:33:25,690 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 262 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:33:25,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [262 Valid, 465 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:33:25,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 13:33:25,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 13:33:25,693 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) [2021-11-23 13:33:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 13:33:25,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2021-11-23 13:33:25,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:33:25,694 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:33:25,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 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) [2021-11-23 13:33:25,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:33:25,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 13:33:25,698 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 13:33:25,699 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-23 13:33:25,699 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-23 13:33:25,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:33:25,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-23 13:33:25,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 13:33:28,826 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 309) no Hoare annotation was computed. [2021-11-23 13:33:28,826 INFO L858 garLoopResultBuilder]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2021-11-23 13:33:28,827 INFO L861 garLoopResultBuilder]: At program point L300(lines 281 303) the Hoare annotation is: true [2021-11-23 13:33:28,827 INFO L858 garLoopResultBuilder]: For program point L333-3(lines 333 339) no Hoare annotation was computed. [2021-11-23 13:33:28,827 INFO L858 garLoopResultBuilder]: For program point L333-5(lines 333 339) no Hoare annotation was computed. [2021-11-23 13:33:28,827 INFO L854 garLoopResultBuilder]: At program point L169(lines 162 171) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res#1| 0) .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2021-11-23 13:33:28,827 INFO L854 garLoopResultBuilder]: At program point L169-1(lines 162 171) the Hoare annotation is: false [2021-11-23 13:33:28,827 INFO L854 garLoopResultBuilder]: At program point L169-2(lines 162 171) the Hoare annotation is: false [2021-11-23 13:33:28,828 INFO L854 garLoopResultBuilder]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res#1| 0) .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)) (and .cse3 (<= 2 ~waterLevel~0) .cse4 .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|) (<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1| 2) (<= |ULTIMATE.start_getWaterLevel_#res#1| 2) .cse1 .cse2 (< 1 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1|)))) [2021-11-23 13:33:28,828 INFO L854 garLoopResultBuilder]: At program point L437-1(lines 432 440) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res#1| 0) .cse2) (and (<= 1 ~pumpRunning~0) .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2021-11-23 13:33:28,828 INFO L854 garLoopResultBuilder]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2021-11-23 13:33:28,828 INFO L854 garLoopResultBuilder]: At program point L437-3(lines 432 440) the Hoare annotation is: false [2021-11-23 13:33:28,828 INFO L854 garLoopResultBuilder]: At program point L437-4(lines 432 440) the Hoare annotation is: false [2021-11-23 13:33:28,828 INFO L854 garLoopResultBuilder]: At program point L437-5(lines 432 440) the Hoare annotation is: false [2021-11-23 13:33:28,828 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-11-23 13:33:28,829 INFO L858 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-11-23 13:33:28,829 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2021-11-23 13:33:28,829 INFO L858 garLoopResultBuilder]: For program point L140-3(lines 140 146) no Hoare annotation was computed. [2021-11-23 13:33:28,829 INFO L858 garLoopResultBuilder]: For program point L140-4(lines 140 146) no Hoare annotation was computed. [2021-11-23 13:33:28,829 INFO L858 garLoopResultBuilder]: For program point L140-5(lines 140 146) no Hoare annotation was computed. [2021-11-23 13:33:28,829 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 548) no Hoare annotation was computed. [2021-11-23 13:33:28,829 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-11-23 13:33:28,829 INFO L854 garLoopResultBuilder]: At program point L75-2(lines 71 82) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|) (<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1| 2) (<= |ULTIMATE.start_getWaterLevel_#res#1| 2) .cse2 .cse3 (< 1 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1|)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2021-11-23 13:33:28,830 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 309) no Hoare annotation was computed. [2021-11-23 13:33:28,830 INFO L861 garLoopResultBuilder]: At program point L275(lines 267 277) the Hoare annotation is: true [2021-11-23 13:33:28,830 INFO L854 garLoopResultBuilder]: At program point L507-2(lines 507 552) the Hoare annotation is: (let ((.cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res#1| 2)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (< 1 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1|)) (.cse8 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse1 .cse5) (and .cse0 .cse9 (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) .cse1 .cse5 (<= 1 ~switchedOnBeforeTS~0)))) [2021-11-23 13:33:28,830 INFO L858 garLoopResultBuilder]: For program point L309(line 309) no Hoare annotation was computed. [2021-11-23 13:33:28,830 INFO L858 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2021-11-23 13:33:28,830 INFO L858 garLoopResultBuilder]: For program point L309-2(line 309) no Hoare annotation was computed. [2021-11-23 13:33:28,831 INFO L858 garLoopResultBuilder]: For program point L508(lines 507 552) no Hoare annotation was computed. [2021-11-23 13:33:28,831 INFO L854 garLoopResultBuilder]: At program point L343(lines 319 345) the Hoare annotation is: (let ((.cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res#1| 2)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (< 1 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1|)) (.cse8 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse1 .cse5) (and .cse0 .cse9 (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) .cse1 .cse5 (<= 1 ~switchedOnBeforeTS~0)))) [2021-11-23 13:33:28,831 INFO L854 garLoopResultBuilder]: At program point L310(lines 305 312) the Hoare annotation is: false [2021-11-23 13:33:28,831 INFO L854 garLoopResultBuilder]: At program point L343-1(lines 319 345) the Hoare annotation is: false [2021-11-23 13:33:28,831 INFO L854 garLoopResultBuilder]: At program point L310-1(lines 305 312) the Hoare annotation is: false [2021-11-23 13:33:28,831 INFO L854 garLoopResultBuilder]: At program point L343-2(lines 319 345) the Hoare annotation is: false [2021-11-23 13:33:28,831 INFO L854 garLoopResultBuilder]: At program point L310-2(lines 305 312) the Hoare annotation is: false [2021-11-23 13:33:28,831 INFO L854 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: false [2021-11-23 13:33:28,832 INFO L854 garLoopResultBuilder]: At program point L145-1(lines 136 149) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)))) [2021-11-23 13:33:28,832 INFO L854 garLoopResultBuilder]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2021-11-23 13:33:28,832 INFO L854 garLoopResultBuilder]: At program point L145-3(lines 136 149) the Hoare annotation is: false [2021-11-23 13:33:28,832 INFO L854 garLoopResultBuilder]: At program point L145-4(lines 136 149) the Hoare annotation is: false [2021-11-23 13:33:28,832 INFO L854 garLoopResultBuilder]: At program point L145-5(lines 136 149) the Hoare annotation is: false [2021-11-23 13:33:28,832 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 513) no Hoare annotation was computed. [2021-11-23 13:33:28,832 INFO L854 garLoopResultBuilder]: At program point L410(lines 405 412) the Hoare annotation is: false [2021-11-23 13:33:28,832 INFO L854 garLoopResultBuilder]: At program point L410-1(lines 405 412) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2)) [2021-11-23 13:33:28,833 INFO L854 garLoopResultBuilder]: At program point L410-2(lines 405 412) the Hoare annotation is: false [2021-11-23 13:33:28,833 INFO L854 garLoopResultBuilder]: At program point L410-3(lines 405 412) the Hoare annotation is: false [2021-11-23 13:33:28,833 INFO L854 garLoopResultBuilder]: At program point L410-4(lines 405 412) the Hoare annotation is: false [2021-11-23 13:33:28,833 INFO L854 garLoopResultBuilder]: At program point L410-5(lines 405 412) the Hoare annotation is: false [2021-11-23 13:33:28,833 INFO L858 garLoopResultBuilder]: For program point L543(lines 543 547) no Hoare annotation was computed. [2021-11-23 13:33:28,833 INFO L858 garLoopResultBuilder]: For program point L543-2(lines 537 548) no Hoare annotation was computed. [2021-11-23 13:33:28,833 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 197) no Hoare annotation was computed. [2021-11-23 13:33:28,833 INFO L854 garLoopResultBuilder]: At program point L180-1(lines 172 200) the Hoare annotation is: (let ((.cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res#1| 2)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (< 1 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1|)) (.cse8 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse9 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse1 .cse5) (and .cse0 .cse9 (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) .cse1 .cse5 (<= 1 ~switchedOnBeforeTS~0)))) [2021-11-23 13:33:28,834 INFO L858 garLoopResultBuilder]: For program point L180-2(lines 180 197) no Hoare annotation was computed. [2021-11-23 13:33:28,834 INFO L854 garLoopResultBuilder]: At program point L180-3(lines 172 200) the Hoare annotation is: false [2021-11-23 13:33:28,834 INFO L858 garLoopResultBuilder]: For program point L180-4(lines 180 197) no Hoare annotation was computed. [2021-11-23 13:33:28,834 INFO L854 garLoopResultBuilder]: At program point L180-5(lines 172 200) the Hoare annotation is: false [2021-11-23 13:33:28,834 INFO L854 garLoopResultBuilder]: At program point L577(lines 573 579) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-11-23 13:33:28,834 INFO L854 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: false [2021-11-23 13:33:28,834 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-11-23 13:33:28,834 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 194) no Hoare annotation was computed. [2021-11-23 13:33:28,835 INFO L858 garLoopResultBuilder]: For program point L184-2(lines 184 194) no Hoare annotation was computed. [2021-11-23 13:33:28,835 INFO L858 garLoopResultBuilder]: For program point L184-4(lines 184 194) no Hoare annotation was computed. [2021-11-23 13:33:28,835 INFO L854 garLoopResultBuilder]: At program point L350(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,835 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 13:33:28,835 INFO L854 garLoopResultBuilder]: At program point L350-1(lines 346 352) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~switchedOnBeforeTS~0)) [2021-11-23 13:33:28,835 INFO L854 garLoopResultBuilder]: At program point L350-2(lines 346 352) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)) [2021-11-23 13:33:28,835 INFO L854 garLoopResultBuilder]: At program point L350-3(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,835 INFO L854 garLoopResultBuilder]: At program point L350-4(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,835 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2021-11-23 13:33:28,836 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2021-11-23 13:33:28,836 INFO L854 garLoopResultBuilder]: At program point L350-5(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,836 INFO L858 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-11-23 13:33:28,836 INFO L854 garLoopResultBuilder]: At program point L350-6(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,836 INFO L854 garLoopResultBuilder]: At program point L350-7(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,836 INFO L858 garLoopResultBuilder]: For program point L185-3(lines 185 191) no Hoare annotation was computed. [2021-11-23 13:33:28,836 INFO L854 garLoopResultBuilder]: At program point L350-8(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,836 INFO L854 garLoopResultBuilder]: At program point L350-9(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,836 INFO L854 garLoopResultBuilder]: At program point L350-10(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,837 INFO L854 garLoopResultBuilder]: At program point L350-11(lines 346 352) the Hoare annotation is: false [2021-11-23 13:33:28,837 INFO L858 garLoopResultBuilder]: For program point L185-6(lines 185 191) no Hoare annotation was computed. [2021-11-23 13:33:28,837 INFO L858 garLoopResultBuilder]: For program point L384(lines 384 401) no Hoare annotation was computed. [2021-11-23 13:33:28,837 INFO L854 garLoopResultBuilder]: At program point L384-1(lines 380 404) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0)))) [2021-11-23 13:33:28,837 INFO L858 garLoopResultBuilder]: For program point L384-2(lines 384 401) no Hoare annotation was computed. [2021-11-23 13:33:28,837 INFO L854 garLoopResultBuilder]: At program point L384-3(lines 380 404) the Hoare annotation is: false [2021-11-23 13:33:28,837 INFO L858 garLoopResultBuilder]: For program point L384-4(lines 384 401) no Hoare annotation was computed. [2021-11-23 13:33:28,837 INFO L854 garLoopResultBuilder]: At program point L384-5(lines 380 404) the Hoare annotation is: false [2021-11-23 13:33:28,838 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-11-23 13:33:28,838 INFO L854 garLoopResultBuilder]: At program point L87-2(lines 83 94) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) .cse1 .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|) (<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1| 2) (<= |ULTIMATE.start_getWaterLevel_#res#1| 2) .cse2 .cse3 (< 1 |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0#1|)) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3))) [2021-11-23 13:33:28,838 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 523) no Hoare annotation was computed. [2021-11-23 13:33:28,838 INFO L858 garLoopResultBuilder]: For program point L517-2(lines 517 523) no Hoare annotation was computed. [2021-11-23 13:33:28,838 INFO L854 garLoopResultBuilder]: At program point L418(lines 413 420) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~switchedOnBeforeTS~0)) [2021-11-23 13:33:28,838 INFO L854 garLoopResultBuilder]: At program point L418-1(lines 413 420) the Hoare annotation is: false [2021-11-23 13:33:28,838 INFO L854 garLoopResultBuilder]: At program point L418-2(lines 413 420) the Hoare annotation is: false [2021-11-23 13:33:28,838 INFO L854 garLoopResultBuilder]: At program point L584(lines 580 586) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-11-23 13:33:28,839 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,839 INFO L858 garLoopResultBuilder]: For program point L486-2(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,839 INFO L858 garLoopResultBuilder]: For program point L486-3(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,839 INFO L858 garLoopResultBuilder]: For program point L486-5(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,839 INFO L858 garLoopResultBuilder]: For program point L486-6(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,839 INFO L858 garLoopResultBuilder]: For program point L486-8(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,839 INFO L858 garLoopResultBuilder]: For program point L486-9(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,839 INFO L858 garLoopResultBuilder]: For program point L486-11(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,839 INFO L858 garLoopResultBuilder]: For program point L486-12(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,840 INFO L858 garLoopResultBuilder]: For program point L486-14(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,840 INFO L858 garLoopResultBuilder]: For program point L486-15(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,840 INFO L858 garLoopResultBuilder]: For program point L486-17(lines 486 490) no Hoare annotation was computed. [2021-11-23 13:33:28,840 INFO L854 garLoopResultBuilder]: At program point L553(lines 506 554) the Hoare annotation is: false [2021-11-23 13:33:28,840 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 396) no Hoare annotation was computed. [2021-11-23 13:33:28,840 INFO L858 garLoopResultBuilder]: For program point L388-3(lines 388 396) no Hoare annotation was computed. [2021-11-23 13:33:28,840 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 13:33:28,840 INFO L858 garLoopResultBuilder]: For program point L388-6(lines 388 396) no Hoare annotation was computed. [2021-11-23 13:33:28,840 INFO L858 garLoopResultBuilder]: For program point L291(lines 291 298) no Hoare annotation was computed. [2021-11-23 13:33:28,841 INFO L858 garLoopResultBuilder]: For program point L291-2(lines 291 298) no Hoare annotation was computed. [2021-11-23 13:33:28,841 INFO L854 garLoopResultBuilder]: At program point L159(lines 154 161) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-11-23 13:33:28,841 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 375) no Hoare annotation was computed. [2021-11-23 13:33:28,841 INFO L854 garLoopResultBuilder]: At program point L358-1(lines 354 378) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~switchedOnBeforeTS~0)) [2021-11-23 13:33:28,841 INFO L858 garLoopResultBuilder]: For program point L358-2(lines 358 375) no Hoare annotation was computed. [2021-11-23 13:33:28,841 INFO L854 garLoopResultBuilder]: At program point L358-3(lines 354 378) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-11-23 13:33:28,841 INFO L858 garLoopResultBuilder]: For program point L358-4(lines 358 375) no Hoare annotation was computed. [2021-11-23 13:33:28,841 INFO L854 garLoopResultBuilder]: At program point L358-5(lines 354 378) the Hoare annotation is: false [2021-11-23 13:33:28,842 INFO L858 garLoopResultBuilder]: For program point L358-6(lines 358 375) no Hoare annotation was computed. [2021-11-23 13:33:28,842 INFO L854 garLoopResultBuilder]: At program point L358-7(lines 354 378) the Hoare annotation is: false [2021-11-23 13:33:28,842 INFO L858 garLoopResultBuilder]: For program point L358-8(lines 358 375) no Hoare annotation was computed. [2021-11-23 13:33:28,842 INFO L854 garLoopResultBuilder]: At program point L358-9(lines 354 378) the Hoare annotation is: false [2021-11-23 13:33:28,842 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 13:33:28,842 INFO L858 garLoopResultBuilder]: For program point L358-10(lines 358 375) no Hoare annotation was computed. [2021-11-23 13:33:28,842 INFO L854 garLoopResultBuilder]: At program point L358-11(lines 354 378) the Hoare annotation is: false [2021-11-23 13:33:28,842 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 332) no Hoare annotation was computed. [2021-11-23 13:33:28,842 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 322 344) no Hoare annotation was computed. [2021-11-23 13:33:28,842 INFO L858 garLoopResultBuilder]: For program point L326-3(lines 326 332) no Hoare annotation was computed. [2021-11-23 13:33:28,843 INFO L858 garLoopResultBuilder]: For program point L326-5(lines 322 344) no Hoare annotation was computed. [2021-11-23 13:33:28,843 INFO L858 garLoopResultBuilder]: For program point L326-6(lines 326 332) no Hoare annotation was computed. [2021-11-23 13:33:28,843 INFO L858 garLoopResultBuilder]: For program point L326-8(lines 322 344) no Hoare annotation was computed. [2021-11-23 13:33:28,843 INFO L861 garLoopResultBuilder]: At program point L558(lines 497 560) the Hoare annotation is: true [2021-11-23 13:33:28,843 INFO L854 garLoopResultBuilder]: At program point L492(lines 477 495) the Hoare annotation is: false [2021-11-23 13:33:28,843 INFO L854 garLoopResultBuilder]: At program point L492-1(lines 477 495) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~1#1| 0) (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0)))) [2021-11-23 13:33:28,843 INFO L854 garLoopResultBuilder]: At program point L492-2(lines 477 495) the Hoare annotation is: false [2021-11-23 13:33:28,843 INFO L854 garLoopResultBuilder]: At program point L492-3(lines 477 495) the Hoare annotation is: false [2021-11-23 13:33:28,843 INFO L854 garLoopResultBuilder]: At program point L492-4(lines 477 495) the Hoare annotation is: false [2021-11-23 13:33:28,844 INFO L854 garLoopResultBuilder]: At program point L492-5(lines 477 495) the Hoare annotation is: false [2021-11-23 13:33:28,844 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-11-23 13:33:28,844 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~switchedOnBeforeTS~0)) [2021-11-23 13:33:28,844 INFO L858 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-11-23 13:33:28,844 INFO L854 garLoopResultBuilder]: At program point L63-5(lines 59 70) the Hoare annotation is: false [2021-11-23 13:33:28,844 INFO L858 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-11-23 13:33:28,844 INFO L854 garLoopResultBuilder]: At program point L63-8(lines 59 70) the Hoare annotation is: false [2021-11-23 13:33:28,844 INFO L854 garLoopResultBuilder]: At program point L592(lines 587 595) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-11-23 13:33:28,844 INFO L861 garLoopResultBuilder]: At program point L229(lines 204 233) the Hoare annotation is: true [2021-11-23 13:33:28,845 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 533) no Hoare annotation was computed. [2021-11-23 13:33:28,845 INFO L858 garLoopResultBuilder]: For program point L527-2(lines 527 533) no Hoare annotation was computed. [2021-11-23 13:33:28,845 INFO L854 garLoopResultBuilder]: At program point L428(lines 421 431) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~switchedOnBeforeTS~0)) [2021-11-23 13:33:28,845 INFO L854 garLoopResultBuilder]: At program point L428-1(lines 421 431) the Hoare annotation is: false [2021-11-23 13:33:28,845 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 370) no Hoare annotation was computed. [2021-11-23 13:33:28,845 INFO L854 garLoopResultBuilder]: At program point L428-2(lines 421 431) the Hoare annotation is: false [2021-11-23 13:33:28,845 INFO L854 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-11-23 13:33:28,845 INFO L858 garLoopResultBuilder]: For program point L362-3(lines 362 370) no Hoare annotation was computed. [2021-11-23 13:33:28,845 INFO L858 garLoopResultBuilder]: For program point L362-6(lines 362 370) no Hoare annotation was computed. [2021-11-23 13:33:28,846 INFO L858 garLoopResultBuilder]: For program point L362-9(lines 362 370) no Hoare annotation was computed. [2021-11-23 13:33:28,846 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 13:33:28,846 INFO L858 garLoopResultBuilder]: For program point L362-12(lines 362 370) no Hoare annotation was computed. [2021-11-23 13:33:28,846 INFO L858 garLoopResultBuilder]: For program point L362-15(lines 362 370) no Hoare annotation was computed. [2021-11-23 13:33:28,846 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 309) no Hoare annotation was computed. [2021-11-23 13:33:28,846 INFO L854 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (<= |ULTIMATE.start_getWaterLevel_#res#1| 2)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4) (and .cse0 .cse7 (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) .cse1 .cse4 (<= 1 ~switchedOnBeforeTS~0)))) [2021-11-23 13:33:28,846 INFO L854 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-11-23 13:33:28,846 INFO L854 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-11-23 13:33:28,847 INFO L854 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res#1|) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~switchedOnBeforeTS~0)) [2021-11-23 13:33:28,847 INFO L854 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-11-23 13:33:28,847 INFO L854 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-11-23 13:33:28,851 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:33:28,852 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:33:28,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:33:28 BoogieIcfgContainer [2021-11-23 13:33:28,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:33:28,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:33:28,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:33:28,909 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:33:28,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:22" (3/4) ... [2021-11-23 13:33:28,916 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 13:33:28,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-11-23 13:33:28,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 13:33:28,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 13:33:28,958 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 13:33:28,959 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 13:33:28,961 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:33:28,962 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:33:28,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || (((((((pumpRunning == 0 && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) [2021-11-23 13:33:28,992 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) || ((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-11-23 13:33:28,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) || ((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-11-23 13:33:28,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || (((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 <= \result) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) [2021-11-23 13:33:28,995 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) [2021-11-23 13:33:28,996 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS [2021-11-23 13:33:28,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 0 && 1 == systemActive) && 2 <= \result) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) [2021-11-23 13:33:28,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) [2021-11-23 13:33:28,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS [2021-11-23 13:33:28,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || (((((((pumpRunning == 0 && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) [2021-11-23 13:33:28,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || (((((((pumpRunning == 0 && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) [2021-11-23 13:33:28,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS [2021-11-23 13:33:28,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) [2021-11-23 13:33:28,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) [2021-11-23 13:33:28,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS [2021-11-23 13:33:28,999 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS [2021-11-23 13:33:29,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && tmp___0 == 0) && \result == 0) [2021-11-23 13:33:29,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS [2021-11-23 13:33:29,092 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:33:29,093 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:33:29,094 INFO L158 Benchmark]: Toolchain (without parser) took 7933.29ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 95.0MB in the beginning and 73.4MB in the end (delta: 21.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2021-11-23 13:33:29,094 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 40.4MB in the beginning and 40.3MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:33:29,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.17ms. Allocated memory is still 127.9MB. Free memory was 94.7MB in the beginning and 96.0MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 13:33:29,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.86ms. Allocated memory is still 127.9MB. Free memory was 96.0MB in the beginning and 92.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:33:29,095 INFO L158 Benchmark]: Boogie Preprocessor took 67.87ms. Allocated memory is still 127.9MB. Free memory was 92.7MB in the beginning and 90.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:33:29,096 INFO L158 Benchmark]: RCFGBuilder took 725.11ms. Allocated memory is still 127.9MB. Free memory was 90.2MB in the beginning and 66.7MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 13:33:29,097 INFO L158 Benchmark]: TraceAbstraction took 6235.96ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 66.0MB in the beginning and 86.0MB in the end (delta: -20.0MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-11-23 13:33:29,097 INFO L158 Benchmark]: Witness Printer took 184.25ms. Allocated memory is still 161.5MB. Free memory was 86.0MB in the beginning and 73.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 13:33:29,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 40.4MB in the beginning and 40.3MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.17ms. Allocated memory is still 127.9MB. Free memory was 94.7MB in the beginning and 96.0MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.86ms. Allocated memory is still 127.9MB. Free memory was 96.0MB in the beginning and 92.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.87ms. Allocated memory is still 127.9MB. Free memory was 92.7MB in the beginning and 90.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 725.11ms. Allocated memory is still 127.9MB. Free memory was 90.2MB in the beginning and 66.7MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6235.96ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 66.0MB in the beginning and 86.0MB in the end (delta: -20.0MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Witness Printer took 184.25ms. Allocated memory is still 161.5MB. Free memory was 86.0MB in the beginning and 73.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 309]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 309]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 309]: 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 1 procedures, 169 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1370 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1370 mSDsluCounter, 2856 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1597 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 234 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 1259 mSDtfsCounter, 234 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=9, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 550 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 86 LocationsWithAnnotation, 86 PreInvPairs, 168 NumberOfFragments, 1000 HoareAnnotationTreeSize, 86 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 86 FomulaSimplificationsInter, 28400 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 1131 SizeOfPredicates, 3 NumberOfNonLiveVariables, 395 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 29/54 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 3 specifications checked. All of them hold - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) || ((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || (((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 <= \result) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && tmp___0 == 0) && \result == 0) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || (((((((pumpRunning == 0 && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: ((((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || (((((((pumpRunning == 0 && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: ((((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp) || (((((((pumpRunning == 0 && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0) || ((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) || ((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && tmp <= 2) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) && 1 < tmp)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && 2 <= waterLevel) && 1 == systemActive) && 2 <= \result) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 0 && 1 == systemActive) && 2 <= \result) && \result <= 2) && splverifierCounter == 0) && waterLevel <= 2)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((pumpRunning == 0 && 2 <= waterLevel) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) RESULT: Ultimate proved your program to be correct! [2021-11-23 13:33:29,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc0a4df1-d999-4f7c-94ae-a5ffdb294f91/bin/uautomizer-wIGwrQj20G/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