./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be --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 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:04:15,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:04:15,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:04:15,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:04:15,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:04:15,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:04:15,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:04:15,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:04:15,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:04:15,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:04:15,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:04:15,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:04:15,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:04:15,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:04:15,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:04:15,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:04:15,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:04:15,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:04:15,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:04:15,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:04:15,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:04:15,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:04:15,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:04:15,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:04:15,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:04:15,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:04:15,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:04:15,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:04:15,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:04:15,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:04:15,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:04:15,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:04:15,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:04:15,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:04:15,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:04:15,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:04:15,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:04:15,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:04:15,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:04:15,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:04:15,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:04:15,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 20:04:15,791 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:04:15,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:04:15,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:04:15,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:04:15,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:04:15,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:04:15,795 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:04:15,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:04:15,796 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:04:15,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:04:15,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:04:15,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:04:15,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 20:04:15,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 20:04:15,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 20:04:15,799 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:04:15,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:04:15,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:04:15,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 20:04:15,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:04:15,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:04:15,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 20:04:15,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:04:15,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:04:15,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 20:04:15,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 20:04:15,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:04:15,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 20:04:15,803 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 20:04:15,805 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 20:04:15,805 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 20:04:15,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:04:15,806 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_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 750fa47004e8b71818a419cd0705c167dc764081be79a2bed3ff642b9979f0ab [2021-10-21 20:04:16,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:04:16,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:04:16,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:04:16,250 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:04:16,251 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:04:16,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-10-21 20:04:16,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/data/565a1748c/ce784cb2adbe4ee39e38b30059fd8e2f/FLAG0ce8512f8 [2021-10-21 20:04:17,002 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:04:17,003 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c [2021-10-21 20:04:17,019 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/data/565a1748c/ce784cb2adbe4ee39e38b30059fd8e2f/FLAG0ce8512f8 [2021-10-21 20:04:17,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/data/565a1748c/ce784cb2adbe4ee39e38b30059fd8e2f [2021-10-21 20:04:17,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:04:17,322 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:04:17,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:04:17,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:04:17,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:04:17,339 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:04:17" (1/1) ... [2021-10-21 20:04:17,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ca4715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:17, skipping insertion in model container [2021-10-21 20:04:17,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:04:17" (1/1) ... [2021-10-21 20:04:17,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:04:17,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:04:17,811 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_325d768f-863f-4d61-ab85-f006212ec9eb/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2021-10-21 20:04:17,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:04:17,851 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:04:17,990 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_325d768f-863f-4d61-ab85-f006212ec9eb/sv-benchmarks/c/product-lines/minepump_spec3_product34.cil.c[16171,16184] [2021-10-21 20:04:18,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:04:18,038 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:04:18,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18 WrapperNode [2021-10-21 20:04:18,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:04:18,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:04:18,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:04:18,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:04:18,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,071 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:04:18,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:04:18,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:04:18,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:04:18,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:04:18,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:04:18,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:04:18,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:04:18,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (1/1) ... [2021-10-21 20:04:18,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 20:04:18,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:04:18,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 20:04:18,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 20:04:18,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:04:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:04:18,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:04:18,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:04:19,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:04:19,533 INFO L299 CfgBuilder]: Removed 104 assume(true) statements. [2021-10-21 20:04:19,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:19 BoogieIcfgContainer [2021-10-21 20:04:19,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:04:19,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 20:04:19,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 20:04:19,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 20:04:19,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 08:04:17" (1/3) ... [2021-10-21 20:04:19,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2891d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:04:19, skipping insertion in model container [2021-10-21 20:04:19,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:04:18" (2/3) ... [2021-10-21 20:04:19,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a2891d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 08:04:19, skipping insertion in model container [2021-10-21 20:04:19,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:19" (3/3) ... [2021-10-21 20:04:19,547 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2021-10-21 20:04:19,554 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 20:04:19,554 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 20:04:19,613 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 20:04:19,621 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 20:04:19,621 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 20:04:19,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:04:19,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-21 20:04:19,649 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:19,650 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:04:19,651 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:19,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:19,658 INFO L82 PathProgramCache]: Analyzing trace with hash 143052540, now seen corresponding path program 1 times [2021-10-21 20:04:19,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:19,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773764729] [2021-10-21 20:04:19,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:19,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:20,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:20,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773764729] [2021-10-21 20:04:20,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773764729] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:20,100 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:20,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:04:20,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563079159] [2021-10-21 20:04:20,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 20:04:20,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:20,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 20:04:20,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 20:04:20,143 INFO L87 Difference]: Start difference. First operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-21 20:04:20,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:20,176 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-10-21 20:04:20,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:04:20,178 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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 18 [2021-10-21 20:04:20,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:20,190 INFO L225 Difference]: With dead ends: 162 [2021-10-21 20:04:20,190 INFO L226 Difference]: Without dead ends: 80 [2021-10-21 20:04:20,195 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 [2021-10-21 20:04:20,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-21 20:04:20,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-21 20:04:20,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 79 states have internal predecessors, (114), 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) [2021-10-21 20:04:20,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2021-10-21 20:04:20,244 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2021-10-21 20:04:20,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:20,244 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2021-10-21 20:04:20,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 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) [2021-10-21 20:04:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-10-21 20:04:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 20:04:20,246 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:20,247 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:04:20,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 20:04:20,247 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:20,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:20,248 INFO L82 PathProgramCache]: Analyzing trace with hash -767978213, now seen corresponding path program 1 times [2021-10-21 20:04:20,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:20,249 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76448345] [2021-10-21 20:04:20,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:20,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:20,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:20,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76448345] [2021-10-21 20:04:20,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76448345] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:20,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:20,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:04:20,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699876242] [2021-10-21 20:04:20,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:04:20,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:20,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:04:20,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:04:20,447 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-10-21 20:04:20,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:20,474 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2021-10-21 20:04:20,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:04:20,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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 [2021-10-21 20:04:20,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:20,477 INFO L225 Difference]: With dead ends: 80 [2021-10-21 20:04:20,478 INFO L226 Difference]: Without dead ends: 36 [2021-10-21 20:04:20,480 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:04:20,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-21 20:04:20,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-21 20:04:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.457142857142857) internal successors, (51), 35 states have internal predecessors, (51), 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) [2021-10-21 20:04:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2021-10-21 20:04:20,496 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2021-10-21 20:04:20,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:20,496 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2021-10-21 20:04:20,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2021-10-21 20:04:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-21 20:04:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-21 20:04:20,502 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:20,502 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] [2021-10-21 20:04:20,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 20:04:20,504 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:20,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:20,507 INFO L82 PathProgramCache]: Analyzing trace with hash 459341460, now seen corresponding path program 1 times [2021-10-21 20:04:20,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:20,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239760022] [2021-10-21 20:04:20,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:20,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:20,665 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:20,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239760022] [2021-10-21 20:04:20,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239760022] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:20,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:20,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:04:20,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046293995] [2021-10-21 20:04:20,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:04:20,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:20,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:04:20,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:04:20,687 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-10-21 20:04:20,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:20,739 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2021-10-21 20:04:20,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:04:20,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2021-10-21 20:04:20,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:20,741 INFO L225 Difference]: With dead ends: 66 [2021-10-21 20:04:20,741 INFO L226 Difference]: Without dead ends: 36 [2021-10-21 20:04:20,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:04:20,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-21 20:04:20,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-21 20:04:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 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) [2021-10-21 20:04:20,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2021-10-21 20:04:20,748 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2021-10-21 20:04:20,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:20,749 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-10-21 20:04:20,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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) [2021-10-21 20:04:20,749 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2021-10-21 20:04:20,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-21 20:04:20,750 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:20,751 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] [2021-10-21 20:04:20,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 20:04:20,751 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:20,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:20,752 INFO L82 PathProgramCache]: Analyzing trace with hash -179810352, now seen corresponding path program 1 times [2021-10-21 20:04:20,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:20,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932296197] [2021-10-21 20:04:20,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:20,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:20,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:20,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932296197] [2021-10-21 20:04:20,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932296197] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:20,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:20,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:04:20,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571604837] [2021-10-21 20:04:20,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 20:04:20,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:20,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:04:20,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:04:20,830 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-10-21 20:04:20,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:20,854 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-10-21 20:04:20,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:04:20,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-10-21 20:04:20,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:20,856 INFO L225 Difference]: With dead ends: 89 [2021-10-21 20:04:20,857 INFO L226 Difference]: Without dead ends: 59 [2021-10-21 20:04:20,858 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:04:20,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-21 20:04:20,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2021-10-21 20:04:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 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) [2021-10-21 20:04:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-21 20:04:20,869 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2021-10-21 20:04:20,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:20,869 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-21 20:04:20,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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) [2021-10-21 20:04:20,870 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-21 20:04:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-21 20:04:20,871 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:20,872 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] [2021-10-21 20:04:20,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 20:04:20,872 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:20,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:20,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1667839457, now seen corresponding path program 1 times [2021-10-21 20:04:20,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:20,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330434800] [2021-10-21 20:04:20,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:20,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:21,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:21,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330434800] [2021-10-21 20:04:21,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330434800] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:21,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:21,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:04:21,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074642565] [2021-10-21 20:04:21,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:04:21,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:21,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:04:21,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:04:21,020 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-10-21 20:04:21,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:21,103 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2021-10-21 20:04:21,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:04:21,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 31 [2021-10-21 20:04:21,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:21,109 INFO L225 Difference]: With dead ends: 149 [2021-10-21 20:04:21,110 INFO L226 Difference]: Without dead ends: 98 [2021-10-21 20:04:21,111 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 38.3ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:04:21,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-10-21 20:04:21,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2021-10-21 20:04:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 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) [2021-10-21 20:04:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-21 20:04:21,141 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2021-10-21 20:04:21,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:21,142 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-21 20:04:21,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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) [2021-10-21 20:04:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-21 20:04:21,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-21 20:04:21,146 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:21,147 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] [2021-10-21 20:04:21,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 20:04:21,147 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:21,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:21,149 INFO L82 PathProgramCache]: Analyzing trace with hash 540443364, now seen corresponding path program 1 times [2021-10-21 20:04:21,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:21,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764952688] [2021-10-21 20:04:21,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:21,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:21,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:21,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764952688] [2021-10-21 20:04:21,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764952688] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:21,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:21,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:04:21,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496704793] [2021-10-21 20:04:21,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 20:04:21,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:21,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:04:21,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:04:21,296 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-10-21 20:04:21,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:21,440 INFO L93 Difference]: Finished difference Result 314 states and 451 transitions. [2021-10-21 20:04:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:04:21,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2021-10-21 20:04:21,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:21,452 INFO L225 Difference]: With dead ends: 314 [2021-10-21 20:04:21,453 INFO L226 Difference]: Without dead ends: 260 [2021-10-21 20:04:21,458 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 37.6ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-21 20:04:21,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-10-21 20:04:21,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-10-21 20:04:21,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.3714285714285714) internal successors, (144), 105 states have internal predecessors, (144), 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) [2021-10-21 20:04:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2021-10-21 20:04:21,490 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 31 [2021-10-21 20:04:21,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:21,491 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2021-10-21 20:04:21,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2021-10-21 20:04:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2021-10-21 20:04:21,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:04:21,495 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:21,496 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] [2021-10-21 20:04:21,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 20:04:21,496 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:21,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:21,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1572316506, now seen corresponding path program 1 times [2021-10-21 20:04:21,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:21,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304919153] [2021-10-21 20:04:21,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:21,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:21,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:21,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304919153] [2021-10-21 20:04:21,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304919153] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:21,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:21,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:04:21,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976827874] [2021-10-21 20:04:21,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:04:21,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:21,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:04:21,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:04:21,585 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-10-21 20:04:21,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:21,725 INFO L93 Difference]: Finished difference Result 212 states and 295 transitions. [2021-10-21 20:04:21,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:04:21,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 32 [2021-10-21 20:04:21,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:21,727 INFO L225 Difference]: With dead ends: 212 [2021-10-21 20:04:21,728 INFO L226 Difference]: Without dead ends: 158 [2021-10-21 20:04:21,728 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:04:21,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-21 20:04:21,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-10-21 20:04:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3766233766233766) internal successors, (212), 154 states have internal predecessors, (212), 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) [2021-10-21 20:04:21,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions. [2021-10-21 20:04:21,749 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 32 [2021-10-21 20:04:21,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:21,749 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions. [2021-10-21 20:04:21,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2021-10-21 20:04:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2021-10-21 20:04:21,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:04:21,751 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:21,751 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] [2021-10-21 20:04:21,751 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 20:04:21,752 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:21,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:21,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1711533540, now seen corresponding path program 1 times [2021-10-21 20:04:21,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:21,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134330288] [2021-10-21 20:04:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:21,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:21,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:21,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:21,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134330288] [2021-10-21 20:04:21,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134330288] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:21,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:21,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:04:21,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12701844] [2021-10-21 20:04:21,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-21 20:04:21,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:21,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:04:21,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:04:21,844 INFO L87 Difference]: Start difference. First operand 155 states and 212 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-21 20:04:21,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:21,901 INFO L93 Difference]: Finished difference Result 350 states and 487 transitions. [2021-10-21 20:04:21,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:04:21,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 32 [2021-10-21 20:04:21,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:21,904 INFO L225 Difference]: With dead ends: 350 [2021-10-21 20:04:21,904 INFO L226 Difference]: Without dead ends: 246 [2021-10-21 20:04:21,906 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:04:21,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-10-21 20:04:21,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2021-10-21 20:04:21,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3774834437086092) internal successors, (208), 151 states have internal predecessors, (208), 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) [2021-10-21 20:04:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2021-10-21 20:04:21,933 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2021-10-21 20:04:21,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:21,934 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2021-10-21 20:04:21,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2021-10-21 20:04:21,934 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2021-10-21 20:04:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:04:21,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:21,938 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] [2021-10-21 20:04:21,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 20:04:21,939 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:21,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:21,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1197872225, now seen corresponding path program 1 times [2021-10-21 20:04:21,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:21,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002445083] [2021-10-21 20:04:21,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:21,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:22,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:22,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:22,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002445083] [2021-10-21 20:04:22,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002445083] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:22,032 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:22,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:04:22,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869308805] [2021-10-21 20:04:22,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:04:22,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:22,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:04:22,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:04:22,039 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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) [2021-10-21 20:04:22,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:22,253 INFO L93 Difference]: Finished difference Result 347 states and 484 transitions. [2021-10-21 20:04:22,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 20:04:22,255 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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 32 [2021-10-21 20:04:22,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:22,257 INFO L225 Difference]: With dead ends: 347 [2021-10-21 20:04:22,257 INFO L226 Difference]: Without dead ends: 84 [2021-10-21 20:04:22,258 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 81.9ms TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-10-21 20:04:22,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-10-21 20:04:22,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 60. [2021-10-21 20:04:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 59 states have internal predecessors, (74), 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) [2021-10-21 20:04:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2021-10-21 20:04:22,267 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 32 [2021-10-21 20:04:22,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:22,267 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2021-10-21 20:04:22,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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) [2021-10-21 20:04:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2021-10-21 20:04:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-21 20:04:22,269 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 20:04:22,269 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] [2021-10-21 20:04:22,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 20:04:22,270 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 20:04:22,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:04:22,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1969698978, now seen corresponding path program 1 times [2021-10-21 20:04:22,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:04:22,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851384286] [2021-10-21 20:04:22,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:04:22,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:04:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:04:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:04:22,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:04:22,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851384286] [2021-10-21 20:04:22,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851384286] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:04:22,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:04:22,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-21 20:04:22,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074694742] [2021-10-21 20:04:22,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 20:04:22,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:04:22,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:04:22,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:04:22,374 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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) [2021-10-21 20:04:22,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:04:22,458 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2021-10-21 20:04:22,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:04:22,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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 32 [2021-10-21 20:04:22,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 20:04:22,461 INFO L225 Difference]: With dead ends: 103 [2021-10-21 20:04:22,461 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 20:04:22,462 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 67.5ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-10-21 20:04:22,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 20:04:22,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 20:04:22,462 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) [2021-10-21 20:04:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:04:22,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-10-21 20:04:22,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 20:04:22,463 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:04:22,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 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) [2021-10-21 20:04:22,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:04:22,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 20:04:22,466 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:04:22,467 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:04:22,467 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 20:04:22,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 20:04:22,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 20:04:22,474 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,562 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,645 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:22,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 20:04:23,758 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 796) no Hoare annotation was computed. [2021-10-21 20:04:23,758 INFO L860 garLoopResultBuilder]: At program point L217(lines 198 220) the Hoare annotation is: true [2021-10-21 20:04:23,758 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-21 20:04:23,759 INFO L853 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 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 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (not .cse1) .cse2 .cse3 .cse4))) [2021-10-21 20:04:23,759 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 20:04:23,759 INFO L857 garLoopResultBuilder]: For program point L796(line 796) no Hoare annotation was computed. [2021-10-21 20:04:23,759 INFO L857 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2021-10-21 20:04:23,759 INFO L857 garLoopResultBuilder]: For program point L796-2(line 796) no Hoare annotation was computed. [2021-10-21 20:04:23,759 INFO L857 garLoopResultBuilder]: For program point L103(lines 103 107) no Hoare annotation was computed. [2021-10-21 20:04:23,760 INFO L853 garLoopResultBuilder]: At program point L103-2(lines 237 243) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 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 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (not .cse1) .cse2 .cse3 .cse4))) [2021-10-21 20:04:23,760 INFO L857 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2021-10-21 20:04:23,760 INFO L857 garLoopResultBuilder]: For program point L269-1(lines 269 286) no Hoare annotation was computed. [2021-10-21 20:04:23,760 INFO L857 garLoopResultBuilder]: For program point L269-2(lines 269 286) no Hoare annotation was computed. [2021-10-21 20:04:23,760 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 141) no Hoare annotation was computed. [2021-10-21 20:04:23,760 INFO L857 garLoopResultBuilder]: For program point L137-1(lines 237 243) no Hoare annotation was computed. [2021-10-21 20:04:23,760 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 835) no Hoare annotation was computed. [2021-10-21 20:04:23,761 INFO L853 garLoopResultBuilder]: At program point L237(lines 236 255) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 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 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (not .cse1) .cse2 .cse3 .cse4))) [2021-10-21 20:04:23,761 INFO L857 garLoopResultBuilder]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2021-10-21 20:04:23,761 INFO L853 garLoopResultBuilder]: At program point L237-2(lines 236 255) the Hoare annotation is: false [2021-10-21 20:04:23,761 INFO L853 garLoopResultBuilder]: At program point L237-3(lines 236 255) the Hoare annotation is: false [2021-10-21 20:04:23,761 INFO L857 garLoopResultBuilder]: For program point L767(lines 767 787) no Hoare annotation was computed. [2021-10-21 20:04:23,761 INFO L857 garLoopResultBuilder]: For program point L767-2(lines 767 787) no Hoare annotation was computed. [2021-10-21 20:04:23,761 INFO L857 garLoopResultBuilder]: For program point L767-4(lines 767 787) no Hoare annotation was computed. [2021-10-21 20:04:23,762 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 375) no Hoare annotation was computed. [2021-10-21 20:04:23,762 INFO L857 garLoopResultBuilder]: For program point L371-2(lines 371 375) no Hoare annotation was computed. [2021-10-21 20:04:23,762 INFO L857 garLoopResultBuilder]: For program point L371-3(lines 371 375) no Hoare annotation was computed. [2021-10-21 20:04:23,762 INFO L857 garLoopResultBuilder]: For program point L371-5(lines 371 375) no Hoare annotation was computed. [2021-10-21 20:04:23,762 INFO L857 garLoopResultBuilder]: For program point L371-6(lines 371 375) no Hoare annotation was computed. [2021-10-21 20:04:23,762 INFO L857 garLoopResultBuilder]: For program point L371-8(lines 371 375) no Hoare annotation was computed. [2021-10-21 20:04:23,762 INFO L853 garLoopResultBuilder]: At program point L322(lines 317 325) the Hoare annotation is: (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-21 20:04:23,762 INFO L853 garLoopResultBuilder]: At program point L322-1(lines 317 325) the Hoare annotation is: false [2021-10-21 20:04:23,763 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 20:04:23,763 INFO L853 garLoopResultBuilder]: At program point L322-2(lines 317 325) the Hoare annotation is: false [2021-10-21 20:04:23,763 INFO L853 garLoopResultBuilder]: At program point L917(lines 1 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 20:04:23,763 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 890) no Hoare annotation was computed. [2021-10-21 20:04:23,763 INFO L857 garLoopResultBuilder]: For program point L884-1(lines 884 890) no Hoare annotation was computed. [2021-10-21 20:04:23,763 INFO L857 garLoopResultBuilder]: For program point L884-2(lines 884 890) no Hoare annotation was computed. [2021-10-21 20:04:23,763 INFO L857 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2021-10-21 20:04:23,764 INFO L857 garLoopResultBuilder]: For program point L273-1(lines 273 281) no Hoare annotation was computed. [2021-10-21 20:04:23,764 INFO L857 garLoopResultBuilder]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2021-10-21 20:04:23,764 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2021-10-21 20:04:23,764 INFO L853 garLoopResultBuilder]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 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 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (not .cse1) .cse2 .cse3 .cse4))) [2021-10-21 20:04:23,764 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 796) no Hoare annotation was computed. [2021-10-21 20:04:23,764 INFO L857 garLoopResultBuilder]: For program point L819(lines 819 823) no Hoare annotation was computed. [2021-10-21 20:04:23,765 INFO L857 garLoopResultBuilder]: For program point L208(lines 208 215) no Hoare annotation was computed. [2021-10-21 20:04:23,765 INFO L860 garLoopResultBuilder]: At program point L208-1(lines 208 215) the Hoare annotation is: true [2021-10-21 20:04:23,765 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 20:04:23,765 INFO L857 garLoopResultBuilder]: For program point L95(lines 95 108) no Hoare annotation was computed. [2021-10-21 20:04:23,765 INFO L853 garLoopResultBuilder]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_processEnvironment_~tmp~2 0) (= ~waterLevel~0 1) .cse4) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (not .cse1) .cse2 .cse3 .cse4))) [2021-10-21 20:04:23,765 INFO L853 garLoopResultBuilder]: At program point L244-1(lines 244 250) the Hoare annotation is: false [2021-10-21 20:04:23,765 INFO L853 garLoopResultBuilder]: At program point L244-2(lines 244 250) the Hoare annotation is: false [2021-10-21 20:04:23,766 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 786) no Hoare annotation was computed. [2021-10-21 20:04:23,766 INFO L853 garLoopResultBuilder]: At program point L773-1(lines 1 928) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (not .cse1) .cse2 .cse3 .cse4))) [2021-10-21 20:04:23,766 INFO L857 garLoopResultBuilder]: For program point L773-2(lines 773 786) no Hoare annotation was computed. [2021-10-21 20:04:23,766 INFO L853 garLoopResultBuilder]: At program point L773-3(lines 1 928) the Hoare annotation is: false [2021-10-21 20:04:23,766 INFO L857 garLoopResultBuilder]: For program point L773-4(lines 773 786) no Hoare annotation was computed. [2021-10-21 20:04:23,766 INFO L853 garLoopResultBuilder]: At program point L773-5(lines 1 928) the Hoare annotation is: false [2021-10-21 20:04:23,766 INFO L853 garLoopResultBuilder]: At program point L889(lines 880 893) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse4))) [2021-10-21 20:04:23,767 INFO L853 garLoopResultBuilder]: At program point L377(lines 362 380) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~waterLevel~0 1)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not .cse3) .cse4 (not .cse5) .cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse7) (and .cse0 .cse1 .cse2 .cse4 .cse6 .cse8 .cse7) (and .cse1 .cse5 .cse2 .cse3 .cse4 .cse6 .cse8 .cse7))) [2021-10-21 20:04:23,767 INFO L853 garLoopResultBuilder]: At program point L889-1(lines 880 893) the Hoare annotation is: false [2021-10-21 20:04:23,767 INFO L853 garLoopResultBuilder]: At program point L377-1(lines 362 380) the Hoare annotation is: false [2021-10-21 20:04:23,767 INFO L853 garLoopResultBuilder]: At program point L889-2(lines 880 893) the Hoare annotation is: false [2021-10-21 20:04:23,767 INFO L853 garLoopResultBuilder]: At program point L377-2(lines 362 380) the Hoare annotation is: false [2021-10-21 20:04:23,768 INFO L853 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2021-10-21 20:04:23,768 INFO L857 garLoopResultBuilder]: For program point L807(lines 807 811) no Hoare annotation was computed. [2021-10-21 20:04:23,768 INFO L857 garLoopResultBuilder]: For program point L807-3(lines 807 811) no Hoare annotation was computed. [2021-10-21 20:04:23,768 INFO L857 garLoopResultBuilder]: For program point L807-6(lines 807 811) no Hoare annotation was computed. [2021-10-21 20:04:23,768 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 20:04:23,768 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 796) no Hoare annotation was computed. [2021-10-21 20:04:23,768 INFO L857 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2021-10-21 20:04:23,768 INFO L853 garLoopResultBuilder]: At program point L925(lines 920 928) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 20:04:23,769 INFO L853 garLoopResultBuilder]: At program point L182(lines 178 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-21 20:04:23,769 INFO L853 garLoopResultBuilder]: At program point L876(lines 871 879) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 1) .cse2 .cse3 (= ULTIMATE.start_processEnvironment_~tmp~2 0) (= ~waterLevel~0 1) .cse4) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (not .cse1) .cse2 .cse3 .cse4))) [2021-10-21 20:04:23,769 INFO L853 garLoopResultBuilder]: At program point L876-1(lines 871 879) the Hoare annotation is: false [2021-10-21 20:04:23,769 INFO L853 garLoopResultBuilder]: At program point L876-2(lines 871 879) the Hoare annotation is: false [2021-10-21 20:04:23,769 INFO L857 garLoopResultBuilder]: For program point L777(lines 777 783) no Hoare annotation was computed. [2021-10-21 20:04:23,769 INFO L857 garLoopResultBuilder]: For program point L777-2(lines 777 783) no Hoare annotation was computed. [2021-10-21 20:04:23,769 INFO L857 garLoopResultBuilder]: For program point L777-4(lines 777 783) no Hoare annotation was computed. [2021-10-21 20:04:23,770 INFO L857 garLoopResultBuilder]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-21 20:04:23,770 INFO L853 garLoopResultBuilder]: At program point L133-2(lines 133 147) the Hoare annotation is: false [2021-10-21 20:04:23,770 INFO L853 garLoopResultBuilder]: At program point L844(lines 839 847) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_processEnvironment_~tmp~2 0) (= ~waterLevel~0 1) .cse4) (and (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0) .cse0 (not .cse1) .cse2 .cse3 .cse4))) [2021-10-21 20:04:23,770 INFO L853 garLoopResultBuilder]: At program point L844-1(lines 839 847) the Hoare annotation is: false [2021-10-21 20:04:23,770 INFO L853 garLoopResultBuilder]: At program point L844-2(lines 839 847) the Hoare annotation is: false [2021-10-21 20:04:23,770 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-21 20:04:23,775 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 20:04:23,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 08:04:23 BoogieIcfgContainer [2021-10-21 20:04:23,800 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 20:04:23,801 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:04:23,801 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:04:23,801 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:04:23,802 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:04:19" (3/4) ... [2021-10-21 20:04:23,805 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 20:04:23,822 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 20:04:23,823 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 20:04:23,824 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 20:04:23,824 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 20:04:23,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 20:04:23,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:04:23,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 20:04:23,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 20:04:23,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-21 20:04:23,849 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:04:23,850 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 == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:04:23,850 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 == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:04:23,850 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 == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:04:23,851 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 == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:04:23,851 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:04:23,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:04:23,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) [2021-10-21 20:04:23,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) [2021-10-21 20:04:23,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-21 20:04:23,854 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive) [2021-10-21 20:04:23,891 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:04:23,891 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:04:23,893 INFO L168 Benchmark]: Toolchain (without parser) took 6569.59 ms. Allocated memory was 83.9 MB in the beginning and 127.9 MB in the end (delta: 44.0 MB). Free memory was 53.1 MB in the beginning and 59.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 37.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:23,893 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 39.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:04:23,893 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.78 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 52.9 MB in the beginning and 73.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:23,894 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.67 ms. Allocated memory is still 104.9 MB. Free memory was 73.3 MB in the beginning and 70.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:23,894 INFO L168 Benchmark]: Boogie Preprocessor took 70.32 ms. Allocated memory is still 104.9 MB. Free memory was 70.4 MB in the beginning and 68.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:23,894 INFO L168 Benchmark]: RCFGBuilder took 1328.21 ms. Allocated memory is still 104.9 MB. Free memory was 68.3 MB in the beginning and 54.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:23,895 INFO L168 Benchmark]: TraceAbstraction took 4262.05 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 53.7 MB in the beginning and 66.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:23,895 INFO L168 Benchmark]: Witness Printer took 90.08 ms. Allocated memory is still 127.9 MB. Free memory was 66.5 MB in the beginning and 59.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:04:23,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 83.9 MB. Free memory is still 39.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 706.78 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 52.9 MB in the beginning and 73.7 MB in the end (delta: -20.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.67 ms. Allocated memory is still 104.9 MB. Free memory was 73.3 MB in the beginning and 70.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.32 ms. Allocated memory is still 104.9 MB. Free memory was 70.4 MB in the beginning and 68.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1328.21 ms. Allocated memory is still 104.9 MB. Free memory was 68.3 MB in the beginning and 54.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4262.05 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 53.7 MB in the beginning and 66.5 MB in the end (delta: -12.8 MB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. * Witness Printer took 90.08 ms. Allocated memory is still 127.9 MB. Free memory was 66.5 MB in the beginning and 59.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 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: 796]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 796]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 796]: 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, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4164.2ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 35.3ms, AutomataDifference: 975.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1289.9ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 747 SDtfs, 945 SDslu, 1003 SDs, 0 SdLazy, 166 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 336.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 288.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=7, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 181.4ms AutomataMinimizationTime, 10 MinimizatonAttempts, 315 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 34 LocationsWithAnnotation, 34 PreInvPairs, 99 NumberOfFragments, 643 HoareAnnotationTreeSize, 34 FomulaSimplifications, 12159 FormulaSimplificationTreeSizeReduction, 392.9ms HoareSimplificationTime, 34 FomulaSimplificationsInter, 799 FormulaSimplificationTreeSizeReductionInter, 882.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 69.1ms SsaConstructionTime, 420.2ms SatisfiabilityAnalysisTime, 853.6ms InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 450 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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: 236]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 1) && \result == 1) && tmp == 0) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && \result == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 0 && splverifierCounter == 0) && !(pumpRunning == 0)) && tmp == 1) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: ((((((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && !(tmp___0 == 0)) && \result == 1) && \result == 0) && !(0 == systemActive)) || ((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && tmp == 1) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 244]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 20:04:23,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_325d768f-863f-4d61-ab85-f006212ec9eb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...