./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt --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 4003051e8c7e84d7a7481775cdc05def8cb96ed2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:51:53,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:51:53,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:51:53,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:51:53,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:51:53,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:51:53,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:51:53,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:51:53,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:51:53,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:51:53,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:51:53,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:51:53,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:51:53,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:51:53,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:51:53,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:51:53,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:51:53,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:51:53,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:51:53,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:51:53,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:51:53,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:51:53,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:51:53,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:51:53,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:51:53,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:51:53,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:51:53,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:51:53,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:51:53,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:51:53,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:51:53,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:51:53,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:51:53,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:51:53,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:51:53,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:51:53,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:51:53,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:51:53,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:51:53,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:51:53,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:51:53,765 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:51:53,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:51:53,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:51:53,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:51:53,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:51:53,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:51:53,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:51:53,819 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:51:53,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:51:53,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:51:53,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:51:53,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:51:53,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:51:53,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:51:53,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:51:53,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:51:53,822 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:51:53,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:51:53,823 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:51:53,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:51:53,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:51:53,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:51:53,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:51:53,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:51:53,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:51:53,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:51:53,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:51:53,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:51:53,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:51:53,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:51:53,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:51:53,827 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_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4003051e8c7e84d7a7481775cdc05def8cb96ed2 [2021-10-13 00:51:54,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:51:54,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:51:54,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:51:54,109 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:51:54,111 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:51:54,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-13 00:51:54,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/data/a2375e17e/4b3954cd087d49259499a7ef43cfd96d/FLAGf1417094b [2021-10-13 00:51:54,709 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:51:54,711 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2021-10-13 00:51:54,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/data/a2375e17e/4b3954cd087d49259499a7ef43cfd96d/FLAGf1417094b [2021-10-13 00:51:55,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/data/a2375e17e/4b3954cd087d49259499a7ef43cfd96d [2021-10-13 00:51:55,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:51:55,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:51:55,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:51:55,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:51:55,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:51:55,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8c5e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55, skipping insertion in model container [2021-10-13 00:51:55,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:51:55,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:51:55,304 WARN L228 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_0dffdd64-1cd9-4580-b92e-ea2605e13948/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-13 00:51:55,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:51:55,432 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:51:55,445 WARN L228 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_0dffdd64-1cd9-4580-b92e-ea2605e13948/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-10-13 00:51:55,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:51:55,544 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:51:55,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55 WrapperNode [2021-10-13 00:51:55,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:51:55,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:51:55,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:51:55,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:51:55,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:51:55,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:51:55,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:51:55,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:51:55,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:51:55,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:51:55,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:51:55,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:51:55,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (1/1) ... [2021-10-13 00:51:55,713 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:51:55,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:51:55,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:51:55,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:51:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:51:55,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:51:55,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:51:55,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:51:56,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:51:56,749 INFO L299 CfgBuilder]: Removed 172 assume(true) statements. [2021-10-13 00:51:56,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:56 BoogieIcfgContainer [2021-10-13 00:51:56,752 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:51:56,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:51:56,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:51:56,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:51:56,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:51:55" (1/3) ... [2021-10-13 00:51:56,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6774d144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:56, skipping insertion in model container [2021-10-13 00:51:56,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:55" (2/3) ... [2021-10-13 00:51:56,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6774d144 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:56, skipping insertion in model container [2021-10-13 00:51:56,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:56" (3/3) ... [2021-10-13 00:51:56,762 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2021-10-13 00:51:56,771 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:51:56,772 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:51:56,841 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:51:56,852 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, mConcurrency=FINITE_AUTOMATA, 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 [2021-10-13 00:51:56,853 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:51:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 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) [2021-10-13 00:51:56,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 00:51:56,884 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:56,884 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:51:56,885 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:56,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:56,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1143595135, now seen corresponding path program 1 times [2021-10-13 00:51:56,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:56,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226709055] [2021-10-13 00:51:56,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:56,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:57,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:57,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226709055] [2021-10-13 00:51:57,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226709055] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:57,136 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:57,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:51:57,138 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527150049] [2021-10-13 00:51:57,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:51:57,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:57,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:51:57,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:51:57,159 INFO L87 Difference]: Start difference. First operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-13 00:51:57,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:57,190 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-10-13 00:51:57,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:51:57,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2021-10-13 00:51:57,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:57,203 INFO L225 Difference]: With dead ends: 245 [2021-10-13 00:51:57,203 INFO L226 Difference]: Without dead ends: 122 [2021-10-13 00:51:57,207 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:51:57,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-13 00:51:57,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-13 00:51:57,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 121 states have internal predecessors, (177), 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) [2021-10-13 00:51:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-10-13 00:51:57,250 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-10-13 00:51:57,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:57,250 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-10-13 00:51:57,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-13 00:51:57,251 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-10-13 00:51:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 00:51:57,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:57,253 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:51:57,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:51:57,253 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:57,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:57,254 INFO L82 PathProgramCache]: Analyzing trace with hash 662424418, now seen corresponding path program 1 times [2021-10-13 00:51:57,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:57,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189903500] [2021-10-13 00:51:57,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:57,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:57,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:57,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189903500] [2021-10-13 00:51:57,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189903500] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:57,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:57,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:51:57,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859147233] [2021-10-13 00:51:57,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:51:57,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:57,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:51:57,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:51:57,362 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-13 00:51:57,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:57,380 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-10-13 00:51:57,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:51:57,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-10-13 00:51:57,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:57,383 INFO L225 Difference]: With dead ends: 122 [2021-10-13 00:51:57,385 INFO L226 Difference]: Without dead ends: 51 [2021-10-13 00:51:57,386 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:51:57,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-13 00:51:57,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-13 00:51:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 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) [2021-10-13 00:51:57,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-13 00:51:57,404 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-13 00:51:57,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:57,405 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-13 00:51:57,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-13 00:51:57,406 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-13 00:51:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 00:51:57,408 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:57,408 INFO L512 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] [2021-10-13 00:51:57,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:51:57,409 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:57,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:57,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1983331463, now seen corresponding path program 1 times [2021-10-13 00:51:57,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:57,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254509782] [2021-10-13 00:51:57,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:57,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:57,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:57,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:57,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254509782] [2021-10-13 00:51:57,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254509782] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:57,546 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:57,546 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:51:57,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433833477] [2021-10-13 00:51:57,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:51:57,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:57,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:51:57,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:51:57,553 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-10-13 00:51:57,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:57,600 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-10-13 00:51:57,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:51:57,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 26 [2021-10-13 00:51:57,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:57,602 INFO L225 Difference]: With dead ends: 95 [2021-10-13 00:51:57,603 INFO L226 Difference]: Without dead ends: 51 [2021-10-13 00:51:57,603 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.1ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:51:57,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-13 00:51:57,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-13 00:51:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 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) [2021-10-13 00:51:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-13 00:51:57,610 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-10-13 00:51:57,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:57,611 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-13 00:51:57,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-10-13 00:51:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-13 00:51:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-13 00:51:57,612 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:57,612 INFO L512 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] [2021-10-13 00:51:57,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:51:57,613 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:57,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:57,614 INFO L82 PathProgramCache]: Analyzing trace with hash -630940105, now seen corresponding path program 1 times [2021-10-13 00:51:57,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:57,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074400701] [2021-10-13 00:51:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:57,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:57,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:57,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:57,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074400701] [2021-10-13 00:51:57,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074400701] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:57,710 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:57,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:51:57,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118094257] [2021-10-13 00:51:57,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:51:57,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:57,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:51:57,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:51:57,712 INFO L87 Difference]: Start difference. First operand 51 states and 72 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) [2021-10-13 00:51:57,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:57,781 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-10-13 00:51:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:51:57,782 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 [2021-10-13 00:51:57,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:57,783 INFO L225 Difference]: With dead ends: 119 [2021-10-13 00:51:57,783 INFO L226 Difference]: Without dead ends: 75 [2021-10-13 00:51:57,784 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:51:57,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-13 00:51:57,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-13 00:51:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 72 states have internal predecessors, (102), 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) [2021-10-13 00:51:57,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-13 00:51:57,803 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-10-13 00:51:57,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:57,803 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-13 00:51:57,804 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) [2021-10-13 00:51:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-13 00:51:57,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:51:57,805 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:57,805 INFO L512 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] [2021-10-13 00:51:57,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:51:57,806 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:57,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:57,807 INFO L82 PathProgramCache]: Analyzing trace with hash -351362712, now seen corresponding path program 1 times [2021-10-13 00:51:57,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:57,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149251541] [2021-10-13 00:51:57,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:57,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:57,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:57,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149251541] [2021-10-13 00:51:57,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149251541] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:57,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:57,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:51:57,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253529249] [2021-10-13 00:51:57,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:51:57,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:57,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:51:57,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:51:57,876 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-13 00:51:57,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:57,965 INFO L93 Difference]: Finished difference Result 203 states and 288 transitions. [2021-10-13 00:51:57,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:51:57,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2021-10-13 00:51:57,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:57,972 INFO L225 Difference]: With dead ends: 203 [2021-10-13 00:51:57,973 INFO L226 Difference]: Without dead ends: 137 [2021-10-13 00:51:57,974 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:51:57,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-13 00:51:57,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-10-13 00:51:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 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) [2021-10-13 00:51:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-10-13 00:51:57,991 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-10-13 00:51:57,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:57,992 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-10-13 00:51:57,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-13 00:51:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-13 00:51:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:51:57,994 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:57,994 INFO L512 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] [2021-10-13 00:51:57,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:51:57,994 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:57,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:57,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1052427290, now seen corresponding path program 1 times [2021-10-13 00:51:57,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:57,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872063168] [2021-10-13 00:51:57,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:57,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:58,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:58,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872063168] [2021-10-13 00:51:58,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872063168] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:58,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:58,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:51:58,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614580880] [2021-10-13 00:51:58,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:51:58,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:58,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:51:58,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:51:58,091 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-13 00:51:58,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:58,168 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-10-13 00:51:58,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:51:58,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-13 00:51:58,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:58,172 INFO L225 Difference]: With dead ends: 202 [2021-10-13 00:51:58,172 INFO L226 Difference]: Without dead ends: 132 [2021-10-13 00:51:58,181 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:51:58,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-13 00:51:58,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-10-13 00:51:58,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 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) [2021-10-13 00:51:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-10-13 00:51:58,203 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-10-13 00:51:58,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:58,205 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-10-13 00:51:58,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-10-13 00:51:58,205 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-10-13 00:51:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:51:58,207 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:58,207 INFO L512 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] [2021-10-13 00:51:58,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:51:58,208 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:58,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash -118963581, now seen corresponding path program 1 times [2021-10-13 00:51:58,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:58,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441435970] [2021-10-13 00:51:58,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:58,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:58,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:58,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:58,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441435970] [2021-10-13 00:51:58,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441435970] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:58,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:58,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:51:58,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235948708] [2021-10-13 00:51:58,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:51:58,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:58,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:51:58,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:51:58,340 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-13 00:51:58,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:58,452 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-10-13 00:51:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:51:58,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2021-10-13 00:51:58,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:58,454 INFO L225 Difference]: With dead ends: 282 [2021-10-13 00:51:58,455 INFO L226 Difference]: Without dead ends: 206 [2021-10-13 00:51:58,456 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 32.7ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 00:51:58,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-13 00:51:58,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-10-13 00:51:58,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 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) [2021-10-13 00:51:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-10-13 00:51:58,496 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-10-13 00:51:58,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:58,497 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-10-13 00:51:58,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-13 00:51:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-10-13 00:51:58,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-13 00:51:58,501 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:58,501 INFO L512 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] [2021-10-13 00:51:58,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:51:58,501 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:58,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:58,502 INFO L82 PathProgramCache]: Analyzing trace with hash -938168726, now seen corresponding path program 1 times [2021-10-13 00:51:58,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:58,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48862958] [2021-10-13 00:51:58,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:58,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:58,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:58,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48862958] [2021-10-13 00:51:58,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48862958] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:58,572 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:58,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:51:58,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703183856] [2021-10-13 00:51:58,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:51:58,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:58,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:51:58,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:51:58,574 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-10-13 00:51:58,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:58,598 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2021-10-13 00:51:58,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:51:58,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2021-10-13 00:51:58,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:58,611 INFO L225 Difference]: With dead ends: 185 [2021-10-13 00:51:58,612 INFO L226 Difference]: Without dead ends: 110 [2021-10-13 00:51:58,612 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:51:58,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-13 00:51:58,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-13 00:51:58,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.311926605504587) internal successors, (143), 109 states have internal predecessors, (143), 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) [2021-10-13 00:51:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2021-10-13 00:51:58,624 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2021-10-13 00:51:58,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:58,625 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2021-10-13 00:51:58,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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) [2021-10-13 00:51:58,625 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-10-13 00:51:58,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 00:51:58,626 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:58,626 INFO L512 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] [2021-10-13 00:51:58,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:51:58,627 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:58,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:58,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1960852394, now seen corresponding path program 1 times [2021-10-13 00:51:58,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:58,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992213446] [2021-10-13 00:51:58,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:58,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:58,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:58,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992213446] [2021-10-13 00:51:58,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992213446] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:51:58,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:51:58,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:51:58,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515262493] [2021-10-13 00:51:58,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:51:58,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:58,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:51:58,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:51:58,794 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-10-13 00:51:59,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:51:59,067 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2021-10-13 00:51:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-13 00:51:59,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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 35 [2021-10-13 00:51:59,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:51:59,075 INFO L225 Difference]: With dead ends: 524 [2021-10-13 00:51:59,075 INFO L226 Difference]: Without dead ends: 449 [2021-10-13 00:51:59,076 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 63.0ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:51:59,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2021-10-13 00:51:59,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2021-10-13 00:51:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.306878306878307) internal successors, (247), 189 states have internal predecessors, (247), 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) [2021-10-13 00:51:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2021-10-13 00:51:59,111 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2021-10-13 00:51:59,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:51:59,111 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2021-10-13 00:51:59,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 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) [2021-10-13 00:51:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2021-10-13 00:51:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-13 00:51:59,115 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:51:59,118 INFO L512 BasicCegarLoop]: trace histogram [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] [2021-10-13 00:51:59,118 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:51:59,118 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:51:59,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:51:59,119 INFO L82 PathProgramCache]: Analyzing trace with hash -503867042, now seen corresponding path program 1 times [2021-10-13 00:51:59,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:51:59,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374556048] [2021-10-13 00:51:59,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:59,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:51:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:59,236 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:59,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:51:59,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374556048] [2021-10-13 00:51:59,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374556048] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:51:59,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385835551] [2021-10-13 00:51:59,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:51:59,240 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:51:59,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:51:59,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:51:59,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:51:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:51:59,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:51:59,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:51:59,645 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:51:59,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385835551] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:51:59,646 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:51:59,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-13 00:51:59,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701553328] [2021-10-13 00:51:59,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 00:51:59,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:51:59,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 00:51:59,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:51:59,650 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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) [2021-10-13 00:52:00,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:52:00,014 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2021-10-13 00:52:00,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:52:00,014 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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 58 [2021-10-13 00:52:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:52:00,016 INFO L225 Difference]: With dead ends: 434 [2021-10-13 00:52:00,016 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:52:00,017 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 124.8ms TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-13 00:52:00,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:52:00,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:52:00,017 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) [2021-10-13 00:52:00,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:52:00,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-13 00:52:00,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:52:00,018 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:52:00,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 10 states have internal predecessors, (91), 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) [2021-10-13 00:52:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:52:00,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:52:00,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:52:00,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:52:00,021 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:52:00,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:52:00,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-13 00:52:00,244 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:52:00,247 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,391 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,648 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:00,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:52:02,449 INFO L853 garLoopResultBuilder]: At program point L894(lines 889 897) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 00:52:02,450 INFO L853 garLoopResultBuilder]: At program point L828(lines 74 80) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2021-10-13 00:52:02,450 INFO L853 garLoopResultBuilder]: At program point L828-1(lines 74 80) the Hoare annotation is: false [2021-10-13 00:52:02,450 INFO L853 garLoopResultBuilder]: At program point L828-2(lines 74 80) the Hoare annotation is: false [2021-10-13 00:52:02,450 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 00:52:02,450 INFO L853 garLoopResultBuilder]: At program point L333(lines 284 334) the Hoare annotation is: false [2021-10-13 00:52:02,450 INFO L857 garLoopResultBuilder]: For program point L234(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,450 INFO L857 garLoopResultBuilder]: For program point L234-2(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,451 INFO L857 garLoopResultBuilder]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,451 INFO L857 garLoopResultBuilder]: For program point L234-5(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,451 INFO L857 garLoopResultBuilder]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,451 INFO L857 garLoopResultBuilder]: For program point L234-8(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,451 INFO L857 garLoopResultBuilder]: For program point L234-9(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,451 INFO L857 garLoopResultBuilder]: For program point L234-11(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,451 INFO L857 garLoopResultBuilder]: For program point L234-12(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,451 INFO L857 garLoopResultBuilder]: For program point L234-14(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,451 INFO L857 garLoopResultBuilder]: For program point L234-15(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,452 INFO L857 garLoopResultBuilder]: For program point L234-17(lines 234 238) no Hoare annotation was computed. [2021-10-13 00:52:02,452 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 144) no Hoare annotation was computed. [2021-10-13 00:52:02,452 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2021-10-13 00:52:02,452 INFO L857 garLoopResultBuilder]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2021-10-13 00:52:02,453 INFO L857 garLoopResultBuilder]: For program point L106(lines 106 123) no Hoare annotation was computed. [2021-10-13 00:52:02,453 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 106 123) no Hoare annotation was computed. [2021-10-13 00:52:02,453 INFO L857 garLoopResultBuilder]: For program point L106-2(lines 106 123) no Hoare annotation was computed. [2021-10-13 00:52:02,453 INFO L857 garLoopResultBuilder]: For program point L106-3(lines 106 123) no Hoare annotation was computed. [2021-10-13 00:52:02,453 INFO L857 garLoopResultBuilder]: For program point L106-4(lines 106 123) no Hoare annotation was computed. [2021-10-13 00:52:02,454 INFO L857 garLoopResultBuilder]: For program point L106-5(lines 106 123) no Hoare annotation was computed. [2021-10-13 00:52:02,454 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2021-10-13 00:52:02,454 INFO L853 garLoopResultBuilder]: At program point L305-1(lines 305 311) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-10-13 00:52:02,454 INFO L853 garLoopResultBuilder]: At program point L74(lines 70 92) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2021-10-13 00:52:02,454 INFO L853 garLoopResultBuilder]: At program point L74-1(lines 70 92) the Hoare annotation is: false [2021-10-13 00:52:02,455 INFO L853 garLoopResultBuilder]: At program point L74-2(lines 70 92) the Hoare annotation is: false [2021-10-13 00:52:02,455 INFO L853 garLoopResultBuilder]: At program point L240(lines 225 243) the Hoare annotation is: false [2021-10-13 00:52:02,455 INFO L853 garLoopResultBuilder]: At program point L240-1(lines 225 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 .cse4))) [2021-10-13 00:52:02,455 INFO L853 garLoopResultBuilder]: At program point L240-2(lines 225 243) the Hoare annotation is: false [2021-10-13 00:52:02,455 INFO L853 garLoopResultBuilder]: At program point L240-3(lines 225 243) the Hoare annotation is: false [2021-10-13 00:52:02,456 INFO L853 garLoopResultBuilder]: At program point L240-4(lines 225 243) the Hoare annotation is: false [2021-10-13 00:52:02,456 INFO L853 garLoopResultBuilder]: At program point L240-5(lines 225 243) the Hoare annotation is: false [2021-10-13 00:52:02,456 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 00:52:02,456 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 377) no Hoare annotation was computed. [2021-10-13 00:52:02,456 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 118) no Hoare annotation was computed. [2021-10-13 00:52:02,456 INFO L857 garLoopResultBuilder]: For program point L110-1(lines 110 118) no Hoare annotation was computed. [2021-10-13 00:52:02,457 INFO L857 garLoopResultBuilder]: For program point L110-2(lines 110 118) no Hoare annotation was computed. [2021-10-13 00:52:02,457 INFO L857 garLoopResultBuilder]: For program point L110-3(lines 110 118) no Hoare annotation was computed. [2021-10-13 00:52:02,457 INFO L857 garLoopResultBuilder]: For program point L110-4(lines 110 118) no Hoare annotation was computed. [2021-10-13 00:52:02,457 INFO L857 garLoopResultBuilder]: For program point L110-5(lines 110 118) no Hoare annotation was computed. [2021-10-13 00:52:02,457 INFO L853 garLoopResultBuilder]: At program point L441(lines 436 444) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2021-10-13 00:52:02,458 INFO L853 garLoopResultBuilder]: At program point L441-1(lines 436 444) the Hoare annotation is: false [2021-10-13 00:52:02,458 INFO L853 garLoopResultBuilder]: At program point L441-2(lines 436 444) the Hoare annotation is: false [2021-10-13 00:52:02,458 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 00:52:02,458 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-13 00:52:02,458 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-13 00:52:02,458 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 856) no Hoare annotation was computed. [2021-10-13 00:52:02,459 INFO L853 garLoopResultBuilder]: At program point L839-1(lines 1 994) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (or .cse2 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~9 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5)))) [2021-10-13 00:52:02,459 INFO L857 garLoopResultBuilder]: For program point L839-2(lines 839 856) no Hoare annotation was computed. [2021-10-13 00:52:02,459 INFO L853 garLoopResultBuilder]: At program point L839-3(lines 1 994) the Hoare annotation is: false [2021-10-13 00:52:02,459 INFO L857 garLoopResultBuilder]: For program point L839-4(lines 839 856) no Hoare annotation was computed. [2021-10-13 00:52:02,459 INFO L853 garLoopResultBuilder]: At program point L839-5(lines 1 994) the Hoare annotation is: false [2021-10-13 00:52:02,460 INFO L853 garLoopResultBuilder]: At program point L81(lines 81 87) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-10-13 00:52:02,460 INFO L853 garLoopResultBuilder]: At program point L81-1(lines 81 87) the Hoare annotation is: false [2021-10-13 00:52:02,460 INFO L853 garLoopResultBuilder]: At program point L81-2(lines 81 87) the Hoare annotation is: false [2021-10-13 00:52:02,460 INFO L857 garLoopResultBuilder]: For program point L843(lines 843 853) no Hoare annotation was computed. [2021-10-13 00:52:02,460 INFO L857 garLoopResultBuilder]: For program point L843-2(lines 843 853) no Hoare annotation was computed. [2021-10-13 00:52:02,461 INFO L857 garLoopResultBuilder]: For program point L843-4(lines 843 853) no Hoare annotation was computed. [2021-10-13 00:52:02,461 INFO L857 garLoopResultBuilder]: For program point L315(lines 315 328) no Hoare annotation was computed. [2021-10-13 00:52:02,461 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 850) no Hoare annotation was computed. [2021-10-13 00:52:02,461 INFO L853 garLoopResultBuilder]: At program point L910-2(lines 910 924) the Hoare annotation is: false [2021-10-13 00:52:02,461 INFO L857 garLoopResultBuilder]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2021-10-13 00:52:02,461 INFO L857 garLoopResultBuilder]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2021-10-13 00:52:02,462 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-10-13 00:52:02,462 INFO L857 garLoopResultBuilder]: For program point L349-3(lines 349 353) no Hoare annotation was computed. [2021-10-13 00:52:02,462 INFO L857 garLoopResultBuilder]: For program point L349-6(lines 349 353) no Hoare annotation was computed. [2021-10-13 00:52:02,462 INFO L857 garLoopResultBuilder]: For program point L911(line 911) no Hoare annotation was computed. [2021-10-13 00:52:02,462 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:52:02,462 INFO L853 garLoopResultBuilder]: At program point L185(lines 180 188) the Hoare annotation is: (let ((.cse7 (= 2 ~waterLevel~0))) (let ((.cse1 (or .cse7 (<= ~waterLevel~0 1))) (.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 .cse6 (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse5 .cse0 .cse7 .cse2 .cse3 .cse6 .cse4)))) [2021-10-13 00:52:02,463 INFO L853 garLoopResultBuilder]: At program point L185-1(lines 180 188) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2021-10-13 00:52:02,463 INFO L853 garLoopResultBuilder]: At program point L185-2(lines 180 188) the Hoare annotation is: false [2021-10-13 00:52:02,463 INFO L853 garLoopResultBuilder]: At program point L185-3(lines 180 188) the Hoare annotation is: false [2021-10-13 00:52:02,463 INFO L853 garLoopResultBuilder]: At program point L185-4(lines 180 188) the Hoare annotation is: false [2021-10-13 00:52:02,463 INFO L853 garLoopResultBuilder]: At program point L185-5(lines 180 188) the Hoare annotation is: false [2021-10-13 00:52:02,464 INFO L853 garLoopResultBuilder]: At program point L418(lines 413 421) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0))) (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (or .cse2 (<= ~waterLevel~0 1))) (.cse3 (= ULTIMATE.start_main_~tmp~9 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 .cse5) (and .cse1 (= ~pumpRunning~0 0) .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5)))) [2021-10-13 00:52:02,464 INFO L853 garLoopResultBuilder]: At program point L418-1(lines 413 421) the Hoare annotation is: false [2021-10-13 00:52:02,464 INFO L853 garLoopResultBuilder]: At program point L418-2(lines 413 421) the Hoare annotation is: false [2021-10-13 00:52:02,464 INFO L857 garLoopResultBuilder]: For program point L286(lines 285 332) no Hoare annotation was computed. [2021-10-13 00:52:02,464 INFO L857 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2021-10-13 00:52:02,464 INFO L857 garLoopResultBuilder]: For program point L253-2(lines 253 257) no Hoare annotation was computed. [2021-10-13 00:52:02,465 INFO L857 garLoopResultBuilder]: For program point L253-3(lines 253 257) no Hoare annotation was computed. [2021-10-13 00:52:02,465 INFO L857 garLoopResultBuilder]: For program point L253-5(lines 253 257) no Hoare annotation was computed. [2021-10-13 00:52:02,465 INFO L857 garLoopResultBuilder]: For program point L253-6(lines 253 257) no Hoare annotation was computed. [2021-10-13 00:52:02,465 INFO L857 garLoopResultBuilder]: For program point L253-8(lines 253 257) no Hoare annotation was computed. [2021-10-13 00:52:02,465 INFO L857 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2021-10-13 00:52:02,465 INFO L857 garLoopResultBuilder]: For program point L914-1(lines 914 918) no Hoare annotation was computed. [2021-10-13 00:52:02,466 INFO L857 garLoopResultBuilder]: For program point L287(lines 287 291) no Hoare annotation was computed. [2021-10-13 00:52:02,466 INFO L857 garLoopResultBuilder]: For program point L982(lines 982 989) no Hoare annotation was computed. [2021-10-13 00:52:02,466 INFO L860 garLoopResultBuilder]: At program point L982-1(lines 982 989) the Hoare annotation is: true [2021-10-13 00:52:02,466 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:52:02,466 INFO L853 garLoopResultBuilder]: At program point L818(lines 813 820) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 00:52:02,467 INFO L857 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-10-13 00:52:02,467 INFO L853 garLoopResultBuilder]: At program point L323-2(lines 323 327) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-10-13 00:52:02,467 INFO L853 garLoopResultBuilder]: At program point L886(lines 1 994) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 00:52:02,467 INFO L853 garLoopResultBuilder]: At program point L259(lines 244 262) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (or (= 2 ~waterLevel~0) (<= ~waterLevel~0 1)) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2021-10-13 00:52:02,467 INFO L853 garLoopResultBuilder]: At program point L259-1(lines 244 262) the Hoare annotation is: false [2021-10-13 00:52:02,468 INFO L853 garLoopResultBuilder]: At program point L259-2(lines 244 262) the Hoare annotation is: false [2021-10-13 00:52:02,468 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:52:02,468 INFO L857 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2021-10-13 00:52:02,468 INFO L857 garLoopResultBuilder]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2021-10-13 00:52:02,468 INFO L857 garLoopResultBuilder]: For program point L426-2(lines 426 432) no Hoare annotation was computed. [2021-10-13 00:52:02,468 INFO L857 garLoopResultBuilder]: For program point L426-3(lines 426 432) no Hoare annotation was computed. [2021-10-13 00:52:02,469 INFO L857 garLoopResultBuilder]: For program point L426-4(lines 426 432) no Hoare annotation was computed. [2021-10-13 00:52:02,469 INFO L857 garLoopResultBuilder]: For program point L426-5(lines 426 432) no Hoare annotation was computed. [2021-10-13 00:52:02,469 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2021-10-13 00:52:02,469 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2021-10-13 00:52:02,469 INFO L853 garLoopResultBuilder]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (or .cse6 (<= ~waterLevel~0 1))) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4)))) [2021-10-13 00:52:02,469 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:52:02,470 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 00:52:02,470 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 149) no Hoare annotation was computed. [2021-10-13 00:52:02,470 INFO L857 garLoopResultBuilder]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2021-10-13 00:52:02,470 INFO L857 garLoopResultBuilder]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2021-10-13 00:52:02,470 INFO L860 garLoopResultBuilder]: At program point L991(lines 972 994) the Hoare annotation is: true [2021-10-13 00:52:02,470 INFO L853 garLoopResultBuilder]: At program point L958(lines 954 960) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~9 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-13 00:52:02,471 INFO L853 garLoopResultBuilder]: At program point L431(lines 422 435) the Hoare annotation is: false [2021-10-13 00:52:02,471 INFO L853 garLoopResultBuilder]: At program point L431-1(lines 422 435) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~9 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= ~waterLevel~0 1) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3 .cse4))) [2021-10-13 00:52:02,471 INFO L853 garLoopResultBuilder]: At program point L431-2(lines 422 435) the Hoare annotation is: false [2021-10-13 00:52:02,471 INFO L853 garLoopResultBuilder]: At program point L431-3(lines 422 435) the Hoare annotation is: false [2021-10-13 00:52:02,471 INFO L853 garLoopResultBuilder]: At program point L431-4(lines 422 435) the Hoare annotation is: false [2021-10-13 00:52:02,472 INFO L853 garLoopResultBuilder]: At program point L431-5(lines 422 435) the Hoare annotation is: false [2021-10-13 00:52:02,476 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:52:02,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:52:02 BoogieIcfgContainer [2021-10-13 00:52:02,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:52:02,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:52:02,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:52:02,518 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:52:02,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:56" (3/4) ... [2021-10-13 00:52:02,521 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:52:02,541 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:52:02,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:52:02,544 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:52:02,545 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:52:02,546 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:52:02,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:52:02,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:52:02,589 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-13 00:52:02,589 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-13 00:52:02,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-13 00:52:02,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && tmp == 2) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-13 00:52:02,590 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-13 00:52:02,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-13 00:52:02,591 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-13 00:52:02,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive)) [2021-10-13 00:52:02,592 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-13 00:52:02,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-13 00:52:02,593 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-13 00:52:02,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-13 00:52:02,595 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) [2021-10-13 00:52:02,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-13 00:52:02,596 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) [2021-10-13 00:52:02,597 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) [2021-10-13 00:52:02,598 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-13 00:52:02,719 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:52:02,720 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:52:02,721 INFO L168 Benchmark]: Toolchain (without parser) took 7679.11 ms. Allocated memory was 132.1 MB in the beginning and 163.6 MB in the end (delta: 31.5 MB). Free memory was 93.0 MB in the beginning and 101.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:52:02,722 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 132.1 MB. Free memory was 110.5 MB in the beginning and 110.4 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:52:02,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 504.19 ms. Allocated memory is still 132.1 MB. Free memory was 92.7 MB in the beginning and 98.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:52:02,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.00 ms. Allocated memory is still 132.1 MB. Free memory was 98.1 MB in the beginning and 93.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:52:02,723 INFO L168 Benchmark]: Boogie Preprocessor took 53.69 ms. Allocated memory is still 132.1 MB. Free memory was 93.9 MB in the beginning and 91.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:52:02,724 INFO L168 Benchmark]: RCFGBuilder took 1057.94 ms. Allocated memory is still 132.1 MB. Free memory was 91.5 MB in the beginning and 102.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:52:02,724 INFO L168 Benchmark]: TraceAbstraction took 5762.73 ms. Allocated memory was 132.1 MB in the beginning and 163.6 MB in the end (delta: 31.5 MB). Free memory was 101.9 MB in the beginning and 112.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 95.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:52:02,725 INFO L168 Benchmark]: Witness Printer took 202.57 ms. Allocated memory is still 163.6 MB. Free memory was 112.4 MB in the beginning and 101.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:52:02,727 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 132.1 MB. Free memory was 110.5 MB in the beginning and 110.4 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 504.19 ms. Allocated memory is still 132.1 MB. Free memory was 92.7 MB in the beginning and 98.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.00 ms. Allocated memory is still 132.1 MB. Free memory was 98.1 MB in the beginning and 93.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.69 ms. Allocated memory is still 132.1 MB. Free memory was 93.9 MB in the beginning and 91.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1057.94 ms. Allocated memory is still 132.1 MB. Free memory was 91.5 MB in the beginning and 102.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5762.73 ms. Allocated memory was 132.1 MB in the beginning and 163.6 MB in the end (delta: 31.5 MB). Free memory was 101.9 MB in the beginning and 112.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 95.5 MB. Max. memory is 16.1 GB. * Witness Printer took 202.57 ms. Allocated memory is still 163.6 MB. Free memory was 112.4 MB in the beginning and 101.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5637.3ms, OverallIterations: 10, TraceHistogramMax: 2, EmptinessCheckTime: 30.2ms, AutomataDifference: 1223.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2206.4ms, InitialAbstractionConstructionTime: 17.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1044 SDtfs, 1423 SDslu, 1486 SDs, 0 SdLazy, 269 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 519.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 295.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 195.5ms AutomataMinimizationTime, 10 MinimizatonAttempts, 494 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 50 LocationsWithAnnotation, 50 PreInvPairs, 155 NumberOfFragments, 953 HoareAnnotationTreeSize, 50 FomulaSimplifications, 58231 FormulaSimplificationTreeSizeReduction, 605.1ms HoareSimplificationTime, 50 FomulaSimplificationsInter, 7249 FormulaSimplificationTreeSizeReductionInter, 1586.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 75.6ms SsaConstructionTime, 451.9ms SatisfiabilityAnalysisTime, 895.9ms InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 796 SizeOfPredicates, 3 NumberOfNonLiveVariables, 447 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 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: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 1) && \result == 1) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && 1 <= \result) && !(0 == systemActive)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 2) && \result == 1) && tmp == 2) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && \result == 0) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && 2 == waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive))) || (((((((1 <= pumpRunning && splverifierCounter == 0) && (2 == waterLevel || waterLevel <= 1)) && tmp == 1) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:52:02,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dffdd64-1cd9-4580-b92e-ea2605e13948/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...