./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD --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 8ebbbe9395fd7f6497497f0e6f84282075bb296e20acc9821d0fb2d7075b331d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:36:49,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:36:49,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:36:49,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:36:49,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:36:49,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:36:49,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:36:49,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:36:49,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:36:49,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:36:49,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:36:49,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:36:49,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:36:49,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:36:49,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:36:49,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:36:49,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:36:49,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:36:49,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:36:49,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:36:49,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:36:49,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:36:49,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:36:49,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:36:49,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:36:49,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:36:49,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:36:49,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:36:49,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:36:49,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:36:49,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:36:49,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:36:49,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:36:49,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:36:49,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:36:49,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:36:49,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:36:49,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:36:49,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:36:49,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:36:49,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:36:49,711 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:36:49,768 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:36:49,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:36:49,769 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:36:49,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:36:49,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:36:49,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:36:49,772 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:36:49,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:36:49,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:36:49,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:36:49,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:36:49,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:36:49,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:36:49,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:36:49,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:36:49,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:36:49,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:36:49,778 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:36:49,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:36:49,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:36:49,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:36:49,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:36:49,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:36:49,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:36:49,781 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:36:49,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:36:49,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:36:49,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:36:49,783 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:36:49,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:36:49,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:36:49,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:36:49,784 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_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ebbbe9395fd7f6497497f0e6f84282075bb296e20acc9821d0fb2d7075b331d [2021-10-28 23:36:50,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:36:50,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:36:50,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:36:50,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:36:50,213 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:36:50,214 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-10-28 23:36:50,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/data/a3822823e/f0c95b504beb4f2aba17541a09897b27/FLAG5fee4ab30 [2021-10-28 23:36:50,934 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:36:50,935 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2021-10-28 23:36:50,951 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/data/a3822823e/f0c95b504beb4f2aba17541a09897b27/FLAG5fee4ab30 [2021-10-28 23:36:51,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/data/a3822823e/f0c95b504beb4f2aba17541a09897b27 [2021-10-28 23:36:51,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:36:51,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:36:51,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:51,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:36:51,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:36:51,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49920cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51, skipping insertion in model container [2021-10-28 23:36:51,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:36:51,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:36:51,666 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_d92aabf5-def1-42e7-b943-0d4b906e5640/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18359,18372] [2021-10-28 23:36:51,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:51,685 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:36:51,774 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_d92aabf5-def1-42e7-b943-0d4b906e5640/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18359,18372] [2021-10-28 23:36:51,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:51,801 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:36:51,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51 WrapperNode [2021-10-28 23:36:51,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:51,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:51,803 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:36:51,803 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:36:51,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:51,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:36:51,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:36:51,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:36:51,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:36:51,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:36:51,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:36:51,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:36:51,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (1/1) ... [2021-10-28 23:36:51,966 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:36:51,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:52,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:52,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:36:52,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:36:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:36:52,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:36:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:36:53,370 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:36:53,371 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-28 23:36:53,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:53 BoogieIcfgContainer [2021-10-28 23:36:53,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:36:53,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:36:53,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:36:53,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:36:53,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:36:51" (1/3) ... [2021-10-28 23:36:53,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251a0bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:36:53, skipping insertion in model container [2021-10-28 23:36:53,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:51" (2/3) ... [2021-10-28 23:36:53,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251a0bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:36:53, skipping insertion in model container [2021-10-28 23:36:53,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:53" (3/3) ... [2021-10-28 23:36:53,389 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2021-10-28 23:36:53,423 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:36:53,424 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:36:53,504 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:36:53,512 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 [2021-10-28 23:36:53,513 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:36:53,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 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) [2021-10-28 23:36:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:36:53,543 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:53,544 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:53,545 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:53,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:53,552 INFO L85 PathProgramCache]: Analyzing trace with hash 682439968, now seen corresponding path program 1 times [2021-10-28 23:36:53,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:53,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143636239] [2021-10-28 23:36:53,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:53,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:53,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:53,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143636239] [2021-10-28 23:36:53,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143636239] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:53,948 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:53,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:36:53,959 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330704694] [2021-10-28 23:36:53,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:36:53,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:53,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:36:53,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:36:54,001 INFO L87 Difference]: Start difference. First operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 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) [2021-10-28 23:36:54,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:54,038 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-10-28 23:36:54,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:36:54,040 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 [2021-10-28 23:36:54,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:54,053 INFO L225 Difference]: With dead ends: 235 [2021-10-28 23:36:54,053 INFO L226 Difference]: Without dead ends: 117 [2021-10-28 23:36:54,057 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:36:54,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-28 23:36:54,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-10-28 23:36:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 116 states have internal predecessors, (172), 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) [2021-10-28 23:36:54,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-10-28 23:36:54,108 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-10-28 23:36:54,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:54,109 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-10-28 23:36:54,110 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) [2021-10-28 23:36:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-10-28 23:36:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:36:54,111 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:54,112 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:54,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:36:54,112 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:54,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:54,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1011956893, now seen corresponding path program 1 times [2021-10-28 23:36:54,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:54,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295248990] [2021-10-28 23:36:54,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:54,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:54,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:54,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295248990] [2021-10-28 23:36:54,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295248990] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:54,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:54,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:54,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987025416] [2021-10-28 23:36:54,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:54,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:54,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:54,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:54,262 INFO L87 Difference]: Start difference. First operand 117 states and 172 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) [2021-10-28 23:36:54,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:54,278 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-10-28 23:36:54,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:54,279 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 [2021-10-28 23:36:54,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:54,280 INFO L225 Difference]: With dead ends: 117 [2021-10-28 23:36:54,281 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 23:36:54,282 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:54,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 23:36:54,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 23:36:54,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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) [2021-10-28 23:36:54,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-28 23:36:54,290 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-28 23:36:54,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:54,291 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-28 23:36:54,291 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) [2021-10-28 23:36:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-28 23:36:54,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:36:54,293 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:54,303 INFO L513 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] [2021-10-28 23:36:54,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:36:54,304 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:54,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:54,305 INFO L85 PathProgramCache]: Analyzing trace with hash 136399670, now seen corresponding path program 1 times [2021-10-28 23:36:54,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:54,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226365350] [2021-10-28 23:36:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:54,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:54,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:54,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226365350] [2021-10-28 23:36:54,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226365350] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:54,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:54,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:54,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69280042] [2021-10-28 23:36:54,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:36:54,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:54,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:36:54,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:36:54,498 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 6 states, 6 states have (on average 4.0) 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) [2021-10-28 23:36:54,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:54,715 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-10-28 23:36:54,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:54,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) 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 [2021-10-28 23:36:54,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:54,718 INFO L225 Difference]: With dead ends: 91 [2021-10-28 23:36:54,718 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 23:36:54,719 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:36:54,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 23:36:54,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 23:36:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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) [2021-10-28 23:36:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-28 23:36:54,728 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-28 23:36:54,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:54,729 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-28 23:36:54,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) 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) [2021-10-28 23:36:54,729 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-28 23:36:54,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:36:54,731 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:54,731 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:54,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:36:54,731 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:54,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:54,732 INFO L85 PathProgramCache]: Analyzing trace with hash 616180244, now seen corresponding path program 1 times [2021-10-28 23:36:54,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:54,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510979021] [2021-10-28 23:36:54,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:54,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:54,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:54,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510979021] [2021-10-28 23:36:54,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510979021] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:54,809 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:54,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:36:54,809 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931033455] [2021-10-28 23:36:54,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:54,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:54,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:54,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:54,818 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:54,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:54,886 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-28 23:36:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:54,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 23:36:54,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:54,889 INFO L225 Difference]: With dead ends: 113 [2021-10-28 23:36:54,889 INFO L226 Difference]: Without dead ends: 71 [2021-10-28 23:36:54,890 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:54,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-28 23:36:54,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-10-28 23:36:54,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 68 states have internal predecessors, (98), 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) [2021-10-28 23:36:54,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-10-28 23:36:54,911 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-10-28 23:36:54,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:54,912 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-10-28 23:36:54,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:54,913 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-10-28 23:36:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:36:54,917 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:54,917 INFO L513 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] [2021-10-28 23:36:54,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:36:54,918 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:54,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:54,921 INFO L85 PathProgramCache]: Analyzing trace with hash -604593117, now seen corresponding path program 1 times [2021-10-28 23:36:54,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:54,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045727189] [2021-10-28 23:36:54,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:54,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:55,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:55,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045727189] [2021-10-28 23:36:55,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045727189] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:55,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:55,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:55,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208356922] [2021-10-28 23:36:55,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:55,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:55,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:55,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:55,084 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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) [2021-10-28 23:36:55,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:55,209 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-10-28 23:36:55,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:36:55,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 [2021-10-28 23:36:55,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:55,218 INFO L225 Difference]: With dead ends: 182 [2021-10-28 23:36:55,218 INFO L226 Difference]: Without dead ends: 120 [2021-10-28 23:36:55,221 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:36:55,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-10-28 23:36:55,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-10-28 23:36:55,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 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) [2021-10-28 23:36:55,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-10-28 23:36:55,266 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-10-28 23:36:55,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:55,267 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-10-28 23:36:55,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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) [2021-10-28 23:36:55,268 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-10-28 23:36:55,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:36:55,272 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:55,273 INFO L513 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] [2021-10-28 23:36:55,273 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:36:55,273 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:55,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:55,274 INFO L85 PathProgramCache]: Analyzing trace with hash 328870592, now seen corresponding path program 1 times [2021-10-28 23:36:55,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:55,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612742459] [2021-10-28 23:36:55,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:55,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:55,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:55,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612742459] [2021-10-28 23:36:55,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612742459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:55,391 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:55,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:36:55,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530144770] [2021-10-28 23:36:55,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:55,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:55,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:55,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:55,394 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand has 5 states, 5 states have (on average 6.4) 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) [2021-10-28 23:36:55,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:55,487 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-10-28 23:36:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:36:55,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) 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 [2021-10-28 23:36:55,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:55,491 INFO L225 Difference]: With dead ends: 387 [2021-10-28 23:36:55,492 INFO L226 Difference]: Without dead ends: 319 [2021-10-28 23:36:55,493 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:36:55,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-28 23:36:55,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-10-28 23:36:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.3880597014925373) internal successors, (186), 134 states have internal predecessors, (186), 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) [2021-10-28 23:36:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-10-28 23:36:55,519 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-10-28 23:36:55,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:55,519 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-10-28 23:36:55,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) 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) [2021-10-28 23:36:55,520 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-10-28 23:36:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:36:55,521 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:55,522 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:55,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:36:55,523 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:55,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:55,523 INFO L85 PathProgramCache]: Analyzing trace with hash 328714056, now seen corresponding path program 1 times [2021-10-28 23:36:55,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:55,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985256456] [2021-10-28 23:36:55,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:55,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:55,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:55,596 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985256456] [2021-10-28 23:36:55,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985256456] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:55,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:55,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:36:55,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510822514] [2021-10-28 23:36:55,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:55,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:55,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:55,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:55,600 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:55,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:55,749 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-10-28 23:36:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:36:55,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:36:55,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:55,754 INFO L225 Difference]: With dead ends: 506 [2021-10-28 23:36:55,754 INFO L226 Difference]: Without dead ends: 378 [2021-10-28 23:36:55,765 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:36:55,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-28 23:36:55,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-10-28 23:36:55,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.3759398496240602) internal successors, (183), 133 states have internal predecessors, (183), 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) [2021-10-28 23:36:55,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-10-28 23:36:55,790 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-10-28 23:36:55,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:55,790 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-10-28 23:36:55,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-10-28 23:36:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:36:55,793 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:55,793 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:55,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:36:55,794 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:55,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:55,794 INFO L85 PathProgramCache]: Analyzing trace with hash 96314925, now seen corresponding path program 1 times [2021-10-28 23:36:55,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:55,795 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127169918] [2021-10-28 23:36:55,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:55,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:55,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:55,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:55,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127169918] [2021-10-28 23:36:55,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127169918] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:55,859 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:55,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:36:55,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927553576] [2021-10-28 23:36:55,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:36:55,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:55,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:36:55,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:55,862 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:55,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:55,919 INFO L93 Difference]: Finished difference Result 319 states and 433 transitions. [2021-10-28 23:36:55,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:36:55,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:36:55,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:55,922 INFO L225 Difference]: With dead ends: 319 [2021-10-28 23:36:55,923 INFO L226 Difference]: Without dead ends: 192 [2021-10-28 23:36:55,924 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:55,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-28 23:36:55,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 142. [2021-10-28 23:36:55,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 141 states have internal predecessors, (191), 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) [2021-10-28 23:36:55,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-10-28 23:36:55,949 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-10-28 23:36:55,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:55,949 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-10-28 23:36:55,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-10-28 23:36:55,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:36:55,955 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:55,956 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:55,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:36:55,956 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:55,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:55,957 INFO L85 PathProgramCache]: Analyzing trace with hash -490491089, now seen corresponding path program 1 times [2021-10-28 23:36:55,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:55,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959850937] [2021-10-28 23:36:55,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:55,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:56,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:56,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959850937] [2021-10-28 23:36:56,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959850937] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:56,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:56,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:36:56,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199395537] [2021-10-28 23:36:56,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:56,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:56,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:56,046 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:56,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:56,091 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2021-10-28 23:36:56,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:56,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:36:56,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:56,096 INFO L225 Difference]: With dead ends: 327 [2021-10-28 23:36:56,096 INFO L226 Difference]: Without dead ends: 192 [2021-10-28 23:36:56,101 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:56,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-28 23:36:56,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-10-28 23:36:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 191 states have internal predecessors, (251), 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) [2021-10-28 23:36:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-10-28 23:36:56,130 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2021-10-28 23:36:56,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:56,130 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-28 23:36:56,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:56,131 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-10-28 23:36:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 23:36:56,133 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:56,133 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:56,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:36:56,134 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:56,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:56,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1404141039, now seen corresponding path program 1 times [2021-10-28 23:36:56,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:56,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528893146] [2021-10-28 23:36:56,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:56,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:56,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:56,242 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528893146] [2021-10-28 23:36:56,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528893146] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:56,242 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:56,243 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:56,243 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937991990] [2021-10-28 23:36:56,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:36:56,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:56,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:56,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:56,244 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:56,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:56,301 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2021-10-28 23:36:56,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:56,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 23:36:56,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:56,305 INFO L225 Difference]: With dead ends: 295 [2021-10-28 23:36:56,305 INFO L226 Difference]: Without dead ends: 293 [2021-10-28 23:36:56,306 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:56,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-28 23:36:56,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2021-10-28 23:36:56,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.3433476394849786) internal successors, (313), 233 states have internal predecessors, (313), 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) [2021-10-28 23:36:56,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2021-10-28 23:36:56,340 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2021-10-28 23:36:56,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:56,341 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2021-10-28 23:36:56,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:56,342 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2021-10-28 23:36:56,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 23:36:56,343 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:56,343 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:56,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:36:56,344 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:56,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:56,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1385466613, now seen corresponding path program 1 times [2021-10-28 23:36:56,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:56,348 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167085328] [2021-10-28 23:36:56,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:56,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:56,456 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:56,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:56,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167085328] [2021-10-28 23:36:56,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167085328] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:56,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:56,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:56,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635421378] [2021-10-28 23:36:56,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:56,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:56,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:56,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:56,460 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2021-10-28 23:36:56,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:56,630 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2021-10-28 23:36:56,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:56,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 23:36:56,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:56,635 INFO L225 Difference]: With dead ends: 374 [2021-10-28 23:36:56,635 INFO L226 Difference]: Without dead ends: 197 [2021-10-28 23:36:56,636 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:36:56,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-28 23:36:56,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-10-28 23:36:56,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.3010204081632653) internal successors, (255), 196 states have internal predecessors, (255), 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) [2021-10-28 23:36:56,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-10-28 23:36:56,662 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2021-10-28 23:36:56,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:56,664 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-10-28 23:36:56,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 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) [2021-10-28 23:36:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-10-28 23:36:56,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 23:36:56,666 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:56,667 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:56,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:36:56,667 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:56,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:56,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1874884889, now seen corresponding path program 1 times [2021-10-28 23:36:56,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:56,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641197893] [2021-10-28 23:36:56,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:56,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 23:36:56,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:56,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641197893] [2021-10-28 23:36:56,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641197893] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:56,765 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:56,765 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:56,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958014804] [2021-10-28 23:36:56,766 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:36:56,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:56,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:56,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:56,767 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 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) [2021-10-28 23:36:56,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:56,894 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2021-10-28 23:36:56,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:36:56,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 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) Word has length 58 [2021-10-28 23:36:56,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:56,904 INFO L225 Difference]: With dead ends: 494 [2021-10-28 23:36:56,904 INFO L226 Difference]: Without dead ends: 354 [2021-10-28 23:36:56,905 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:36:56,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2021-10-28 23:36:56,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2021-10-28 23:36:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.2920792079207921) internal successors, (261), 202 states have internal predecessors, (261), 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) [2021-10-28 23:36:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2021-10-28 23:36:56,943 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2021-10-28 23:36:56,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:56,945 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2021-10-28 23:36:56,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 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) [2021-10-28 23:36:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2021-10-28 23:36:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 23:36:56,947 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:36:56,947 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:56,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:36:56,948 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:36:56,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:56,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1616719451, now seen corresponding path program 1 times [2021-10-28 23:36:56,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:56,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990010918] [2021-10-28 23:36:56,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:56,951 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:57,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:57,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990010918] [2021-10-28 23:36:57,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990010918] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:57,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:57,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:36:57,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451500476] [2021-10-28 23:36:57,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:36:57,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:57,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:36:57,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:36:57,166 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2021-10-28 23:36:57,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:57,432 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2021-10-28 23:36:57,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:36:57,433 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 23:36:57,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:36:57,433 INFO L225 Difference]: With dead ends: 485 [2021-10-28 23:36:57,434 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:36:57,435 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:36:57,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:36:57,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:36:57,435 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) [2021-10-28 23:36:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:36:57,436 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-28 23:36:57,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:36:57,436 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:57,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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) [2021-10-28 23:36:57,437 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:36:57,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:36:57,440 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:36:57,441 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:36:57,442 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:36:57,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 23:36:57,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:36:57,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:57,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,076 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,424 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:36:58,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:37:02,037 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2021-10-28 23:37:02,038 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 172) no Hoare annotation was computed. [2021-10-28 23:37:02,038 INFO L857 garLoopResultBuilder]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2021-10-28 23:37:02,038 INFO L857 garLoopResultBuilder]: For program point L168-6(lines 168 172) no Hoare annotation was computed. [2021-10-28 23:37:02,039 INFO L853 garLoopResultBuilder]: At program point L565(lines 550 568) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~6 1)) (= 1 ~systemActive~0) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1) (<= 1 ~waterLevel~0) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| 1) (<= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-28 23:37:02,039 INFO L853 garLoopResultBuilder]: At program point L565-1(lines 550 568) the Hoare annotation is: false [2021-10-28 23:37:02,039 INFO L853 garLoopResultBuilder]: At program point L565-2(lines 550 568) the Hoare annotation is: false [2021-10-28 23:37:02,040 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 342) no Hoare annotation was computed. [2021-10-28 23:37:02,040 INFO L853 garLoopResultBuilder]: At program point L336-1(lines 336 342) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse1 (not .cse2) .cse4 (= 1 ~systemActive~0) .cse5 .cse6))) [2021-10-28 23:37:02,040 INFO L853 garLoopResultBuilder]: At program point L205(lines 200 208) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~6 1)) .cse2 (<= 1 ~waterLevel~0) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse5 .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse3 (= ~waterLevel~0 1) .cse4))) [2021-10-28 23:37:02,041 INFO L853 garLoopResultBuilder]: At program point L205-1(lines 200 208) the Hoare annotation is: false [2021-10-28 23:37:02,041 INFO L853 garLoopResultBuilder]: At program point L205-2(lines 200 208) the Hoare annotation is: false [2021-10-28 23:37:02,041 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 455) no Hoare annotation was computed. [2021-10-28 23:37:02,041 INFO L857 garLoopResultBuilder]: For program point L438-1(lines 438 455) no Hoare annotation was computed. [2021-10-28 23:37:02,042 INFO L857 garLoopResultBuilder]: For program point L438-2(lines 438 455) no Hoare annotation was computed. [2021-10-28 23:37:02,042 INFO L853 garLoopResultBuilder]: At program point L273(lines 268 275) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-28 23:37:02,042 INFO L853 garLoopResultBuilder]: At program point L967(lines 1 978) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:37:02,042 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2021-10-28 23:37:02,043 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2021-10-28 23:37:02,043 INFO L860 garLoopResultBuilder]: At program point L142-1(lines 142 149) the Hoare annotation is: true [2021-10-28 23:37:02,043 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,043 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,043 INFO L857 garLoopResultBuilder]: For program point L540-3(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,044 INFO L857 garLoopResultBuilder]: For program point L540-5(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,044 INFO L857 garLoopResultBuilder]: For program point L540-6(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,044 INFO L857 garLoopResultBuilder]: For program point L540-8(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,044 INFO L857 garLoopResultBuilder]: For program point L540-9(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,044 INFO L857 garLoopResultBuilder]: For program point L540-11(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,045 INFO L857 garLoopResultBuilder]: For program point L540-12(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,045 INFO L857 garLoopResultBuilder]: For program point L540-14(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,045 INFO L857 garLoopResultBuilder]: For program point L540-15(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,045 INFO L857 garLoopResultBuilder]: For program point L540-17(lines 540 544) no Hoare annotation was computed. [2021-10-28 23:37:02,045 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 450) no Hoare annotation was computed. [2021-10-28 23:37:02,046 INFO L857 garLoopResultBuilder]: For program point L442-1(lines 442 450) no Hoare annotation was computed. [2021-10-28 23:37:02,046 INFO L857 garLoopResultBuilder]: For program point L442-2(lines 442 450) no Hoare annotation was computed. [2021-10-28 23:37:02,046 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 251) no Hoare annotation was computed. [2021-10-28 23:37:02,046 INFO L857 garLoopResultBuilder]: For program point L245-1(lines 245 251) no Hoare annotation was computed. [2021-10-28 23:37:02,046 INFO L857 garLoopResultBuilder]: For program point L245-2(lines 245 251) no Hoare annotation was computed. [2021-10-28 23:37:02,047 INFO L857 garLoopResultBuilder]: For program point L245-3(lines 245 251) no Hoare annotation was computed. [2021-10-28 23:37:02,047 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-28 23:37:02,047 INFO L857 garLoopResultBuilder]: For program point L245-4(lines 245 251) no Hoare annotation was computed. [2021-10-28 23:37:02,047 INFO L857 garLoopResultBuilder]: For program point L245-5(lines 245 251) no Hoare annotation was computed. [2021-10-28 23:37:02,047 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 184) no Hoare annotation was computed. [2021-10-28 23:37:02,048 INFO L857 garLoopResultBuilder]: For program point L940(line 940) no Hoare annotation was computed. [2021-10-28 23:37:02,048 INFO L857 garLoopResultBuilder]: For program point L940-1(line 940) no Hoare annotation was computed. [2021-10-28 23:37:02,048 INFO L857 garLoopResultBuilder]: For program point L940-2(line 940) no Hoare annotation was computed. [2021-10-28 23:37:02,048 INFO L857 garLoopResultBuilder]: For program point L412(lines 412 429) no Hoare annotation was computed. [2021-10-28 23:37:02,048 INFO L857 garLoopResultBuilder]: For program point L412-1(lines 412 429) no Hoare annotation was computed. [2021-10-28 23:37:02,049 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 357) no Hoare annotation was computed. [2021-10-28 23:37:02,049 INFO L857 garLoopResultBuilder]: For program point L412-2(lines 412 429) no Hoare annotation was computed. [2021-10-28 23:37:02,049 INFO L857 garLoopResultBuilder]: For program point L412-3(lines 412 429) no Hoare annotation was computed. [2021-10-28 23:37:02,049 INFO L857 garLoopResultBuilder]: For program point L412-4(lines 412 429) no Hoare annotation was computed. [2021-10-28 23:37:02,049 INFO L857 garLoopResultBuilder]: For program point L412-5(lines 412 429) no Hoare annotation was computed. [2021-10-28 23:37:02,050 INFO L853 garLoopResultBuilder]: At program point L380(lines 379 398) the Hoare annotation is: (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse4 .cse5 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse3 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~6 1)) .cse5 .cse9 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse6) (and .cse0 (not .cse1) .cse5 .cse9 .cse8 .cse6) (and .cse0 .cse1 .cse7 .cse5 .cse8 (= ~waterLevel~0 1) .cse6))) [2021-10-28 23:37:02,050 INFO L857 garLoopResultBuilder]: For program point L380-1(lines 380 386) no Hoare annotation was computed. [2021-10-28 23:37:02,050 INFO L853 garLoopResultBuilder]: At program point L380-2(lines 379 398) the Hoare annotation is: false [2021-10-28 23:37:02,050 INFO L853 garLoopResultBuilder]: At program point L380-3(lines 379 398) the Hoare annotation is: false [2021-10-28 23:37:02,051 INFO L853 garLoopResultBuilder]: At program point L975(lines 970 978) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 23:37:02,051 INFO L853 garLoopResultBuilder]: At program point L546(lines 531 549) the Hoare annotation is: false [2021-10-28 23:37:02,051 INFO L853 garLoopResultBuilder]: At program point L546-1(lines 531 549) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~waterLevel~0 1) .cse7) (and .cse0 .cse1 .cse2 .cse8 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~6 1)) .cse4 .cse5 (<= 1 ~waterLevel~0) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse6 (<= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse7) (and .cse0 .cse1 .cse3 .cse8 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse8 .cse5 .cse6 .cse7))) [2021-10-28 23:37:02,051 INFO L853 garLoopResultBuilder]: At program point L546-2(lines 531 549) the Hoare annotation is: false [2021-10-28 23:37:02,052 INFO L853 garLoopResultBuilder]: At program point L546-3(lines 531 549) the Hoare annotation is: false [2021-10-28 23:37:02,052 INFO L853 garLoopResultBuilder]: At program point L546-4(lines 531 549) the Hoare annotation is: false [2021-10-28 23:37:02,052 INFO L853 garLoopResultBuilder]: At program point L546-5(lines 531 549) the Hoare annotation is: false [2021-10-28 23:37:02,052 INFO L853 garLoopResultBuilder]: At program point L250(lines 241 254) the Hoare annotation is: false [2021-10-28 23:37:02,053 INFO L853 garLoopResultBuilder]: At program point L250-1(lines 241 254) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) .cse7 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse1 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~6 1)) .cse3 .cse4 (<= 1 ~waterLevel~0) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse5 (<= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse6))) [2021-10-28 23:37:02,053 INFO L853 garLoopResultBuilder]: At program point L250-2(lines 241 254) the Hoare annotation is: false [2021-10-28 23:37:02,053 INFO L853 garLoopResultBuilder]: At program point L250-3(lines 241 254) the Hoare annotation is: false [2021-10-28 23:37:02,053 INFO L860 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2021-10-28 23:37:02,053 INFO L853 garLoopResultBuilder]: At program point L250-4(lines 241 254) the Hoare annotation is: false [2021-10-28 23:37:02,054 INFO L853 garLoopResultBuilder]: At program point L250-5(lines 241 254) the Hoare annotation is: false [2021-10-28 23:37:02,054 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 424) no Hoare annotation was computed. [2021-10-28 23:37:02,054 INFO L857 garLoopResultBuilder]: For program point L416-1(lines 416 424) no Hoare annotation was computed. [2021-10-28 23:37:02,054 INFO L857 garLoopResultBuilder]: For program point L416-2(lines 416 424) no Hoare annotation was computed. [2021-10-28 23:37:02,054 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:37:02,055 INFO L857 garLoopResultBuilder]: For program point L317(lines 316 361) no Hoare annotation was computed. [2021-10-28 23:37:02,055 INFO L857 garLoopResultBuilder]: For program point L416-3(lines 416 424) no Hoare annotation was computed. [2021-10-28 23:37:02,055 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 301) no Hoare annotation was computed. [2021-10-28 23:37:02,055 INFO L857 garLoopResultBuilder]: For program point L416-4(lines 416 424) no Hoare annotation was computed. [2021-10-28 23:37:02,055 INFO L853 garLoopResultBuilder]: At program point L284-1(lines 1 978) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse0 (not .cse1) .cse4 .cse5 (= |ULTIMATE.start_valid_product_#res| 1) .cse6))) [2021-10-28 23:37:02,056 INFO L857 garLoopResultBuilder]: For program point L416-5(lines 416 424) no Hoare annotation was computed. [2021-10-28 23:37:02,056 INFO L857 garLoopResultBuilder]: For program point L284-2(lines 284 301) no Hoare annotation was computed. [2021-10-28 23:37:02,056 INFO L853 garLoopResultBuilder]: At program point L284-3(lines 1 978) the Hoare annotation is: false [2021-10-28 23:37:02,056 INFO L857 garLoopResultBuilder]: For program point L284-4(lines 284 301) no Hoare annotation was computed. [2021-10-28 23:37:02,056 INFO L853 garLoopResultBuilder]: At program point L284-5(lines 1 978) the Hoare annotation is: false [2021-10-28 23:37:02,057 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 322) no Hoare annotation was computed. [2021-10-28 23:37:02,057 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 356) no Hoare annotation was computed. [2021-10-28 23:37:02,057 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 380 386) no Hoare annotation was computed. [2021-10-28 23:37:02,057 INFO L853 garLoopResultBuilder]: At program point L387(lines 387 393) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 .cse4 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~6 1)) .cse2 (<= 1 ~waterLevel~0) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse5 (<= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse5 .cse3) (and .cse0 .cse6 .cse1 .cse2 .cse5 .cse3) (and .cse0 .cse4 .cse6 .cse2 .cse5 (= ~waterLevel~0 1) .cse3))) [2021-10-28 23:37:02,058 INFO L853 garLoopResultBuilder]: At program point L387-1(lines 387 393) the Hoare annotation is: false [2021-10-28 23:37:02,058 INFO L853 garLoopResultBuilder]: At program point L387-2(lines 387 393) the Hoare annotation is: false [2021-10-28 23:37:02,058 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 298) no Hoare annotation was computed. [2021-10-28 23:37:02,058 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 288 298) no Hoare annotation was computed. [2021-10-28 23:37:02,058 INFO L857 garLoopResultBuilder]: For program point L288-4(lines 288 298) no Hoare annotation was computed. [2021-10-28 23:37:02,058 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-10-28 23:37:02,059 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:37:02,059 INFO L857 garLoopResultBuilder]: For program point L289-2(lines 289 295) no Hoare annotation was computed. [2021-10-28 23:37:02,059 INFO L857 garLoopResultBuilder]: For program point L289-4(lines 289 295) no Hoare annotation was computed. [2021-10-28 23:37:02,059 INFO L857 garLoopResultBuilder]: For program point L192(lines 192 196) no Hoare annotation was computed. [2021-10-28 23:37:02,059 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:37:02,060 INFO L853 garLoopResultBuilder]: At program point L491(lines 486 494) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~6 1)) .cse3 .cse4 (<= 1 ~waterLevel~0) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse7 (not .cse1) .cse6 .cse4 (= |ULTIMATE.start_valid_product_#res| 1) .cse5) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse4 (= ~waterLevel~0 1) .cse5))) [2021-10-28 23:37:02,060 INFO L853 garLoopResultBuilder]: At program point L491-1(lines 486 494) the Hoare annotation is: false [2021-10-28 23:37:02,060 INFO L853 garLoopResultBuilder]: At program point L491-2(lines 486 494) the Hoare annotation is: false [2021-10-28 23:37:02,060 INFO L857 garLoopResultBuilder]: For program point L326(lines 326 332) no Hoare annotation was computed. [2021-10-28 23:37:02,061 INFO L853 garLoopResultBuilder]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse0 (not .cse1) .cse4 .cse5 (= |ULTIMATE.start_valid_product_#res| 1) .cse6))) [2021-10-28 23:37:02,061 INFO L853 garLoopResultBuilder]: At program point L260(lines 255 263) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-28 23:37:02,061 INFO L853 garLoopResultBuilder]: At program point L260-1(lines 255 263) the Hoare annotation is: false [2021-10-28 23:37:02,061 INFO L853 garLoopResultBuilder]: At program point L260-2(lines 255 263) the Hoare annotation is: false [2021-10-28 23:37:02,062 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-28 23:37:02,062 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-28 23:37:02,062 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2021-10-28 23:37:02,062 INFO L857 garLoopResultBuilder]: For program point L559-2(lines 559 563) no Hoare annotation was computed. [2021-10-28 23:37:02,062 INFO L857 garLoopResultBuilder]: For program point L559-3(lines 559 563) no Hoare annotation was computed. [2021-10-28 23:37:02,063 INFO L857 garLoopResultBuilder]: For program point L559-5(lines 559 563) no Hoare annotation was computed. [2021-10-28 23:37:02,063 INFO L857 garLoopResultBuilder]: For program point L559-6(lines 559 563) no Hoare annotation was computed. [2021-10-28 23:37:02,063 INFO L857 garLoopResultBuilder]: For program point L559-8(lines 559 563) no Hoare annotation was computed. [2021-10-28 23:37:02,063 INFO L853 garLoopResultBuilder]: At program point L362(lines 315 363) the Hoare annotation is: false [2021-10-28 23:37:02,063 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:37:02,064 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2021-10-28 23:37:02,064 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-28 23:37:02,064 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 380 386) no Hoare annotation was computed. [2021-10-28 23:37:02,068 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:37:02,070 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:37:02,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:37:02 BoogieIcfgContainer [2021-10-28 23:37:02,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:37:02,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:37:02,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:37:02,112 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:37:02,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:53" (3/4) ... [2021-10-28 23:37:02,116 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:37:02,141 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:37:02,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:37:02,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:37:02,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:37:02,147 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:37:02,148 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:37:02,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:37:02,180 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 23:37:02,180 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-28 23:37:02,180 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-28 23:37:02,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-28 23:37:02,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-28 23:37:02,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-28 23:37:02,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 0 < tmp + 1) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) && tmp == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) [2021-10-28 23:37:02,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 0 < tmp + 1) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) [2021-10-28 23:37:02,185 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && 0 < tmp + 1) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) [2021-10-28 23:37:02,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp == systemActive [2021-10-28 23:37:02,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 0 < tmp + 1) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive) [2021-10-28 23:37:02,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 0 < tmp + 1) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && \result == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) [2021-10-28 23:37:02,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 0 < tmp + 1) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive [2021-10-28 23:37:02,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && 0 < tmp + 1) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) [2021-10-28 23:37:02,289 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:37:02,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:37:02,292 INFO L168 Benchmark]: Toolchain (without parser) took 11106.97 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 71.4 MB in the beginning and 111.6 MB in the end (delta: -40.2 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:02,293 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:37:02,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.82 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 61.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:02,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.44 ms. Allocated memory is still 94.4 MB. Free memory was 61.7 MB in the beginning and 57.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:02,295 INFO L168 Benchmark]: Boogie Preprocessor took 54.45 ms. Allocated memory is still 94.4 MB. Free memory was 57.8 MB in the beginning and 55.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:02,295 INFO L168 Benchmark]: RCFGBuilder took 1436.56 ms. Allocated memory is still 94.4 MB. Free memory was 55.1 MB in the beginning and 38.1 MB in the end (delta: 17.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:02,296 INFO L168 Benchmark]: TraceAbstraction took 8732.52 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 37.7 MB in the beginning and 42.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:02,296 INFO L168 Benchmark]: Witness Printer took 178.60 ms. Allocated memory is still 138.4 MB. Free memory was 42.8 MB in the beginning and 111.6 MB in the end (delta: -68.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:37:02,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 77.6 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 616.82 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 61.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.44 ms. Allocated memory is still 94.4 MB. Free memory was 61.7 MB in the beginning and 57.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.45 ms. Allocated memory is still 94.4 MB. Free memory was 57.8 MB in the beginning and 55.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1436.56 ms. Allocated memory is still 94.4 MB. Free memory was 55.1 MB in the beginning and 38.1 MB in the end (delta: 17.0 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8732.52 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 37.7 MB in the beginning and 42.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * Witness Printer took 178.60 ms. Allocated memory is still 138.4 MB. Free memory was 42.8 MB in the beginning and 111.6 MB in the end (delta: -68.8 MB). Peak memory consumption was 12.6 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 940]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 940]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 940]: 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, 121 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1239 SDtfs, 1498 SDslu, 1633 SDs, 0 SdLazy, 217 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 735 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 156 NumberOfFragments, 1070 HoareAnnotationTreeSize, 43 FomulaSimplifications, 166639 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 55533 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 862 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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: 486]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 0 < tmp + 1) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && \result == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 0 < tmp + 1) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && tmp <= 0) && tmp == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && tmp == systemActive) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && 0 < tmp + 1) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: (((((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && 0 < tmp + 1) && \result == 0) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((((((\result == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 0 < tmp + 1) && 1 == systemActive) && tmp___0 == 1) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 0 < tmp + 1) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methAndRunningLastTime == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && tmp == systemActive)) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 0 < tmp + 1) && \result == 1) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp <= 0) && tmp == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && 1 == systemActive) && 1 <= waterLevel) && \result <= 0) && 0 <= \result) && \result == 1) && tmp == systemActive RESULT: Ultimate proved your program to be correct! [2021-10-28 23:37:02,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92aabf5-def1-42e7-b943-0d4b906e5640/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...