./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.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_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg --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 df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:55:52,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:55:52,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:55:52,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:55:52,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:55:52,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:55:52,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:55:52,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:55:52,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:55:52,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:55:52,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:55:52,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:55:52,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:55:52,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:55:52,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:55:52,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:55:52,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:55:52,805 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:55:52,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:55:52,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:55:52,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:55:52,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:55:52,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:55:52,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:55:52,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:55:52,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:55:52,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:55:52,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:55:52,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:55:52,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:55:52,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:55:52,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:55:52,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:55:52,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:55:52,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:55:52,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:55:52,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:55:52,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:55:52,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:55:52,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:55:52,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:55:52,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:55:52,892 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:55:52,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:55:52,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:55:52,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:55:52,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:55:52,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:55:52,901 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:55:52,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:55:52,901 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:55:52,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:55:52,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:55:52,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:55:52,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:55:52,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:55:52,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:55:52,904 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:55:52,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:55:52,904 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:55:52,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:55:52,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:55:52,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:55:52,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:55:52,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:55:52,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:55:52,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:55:52,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:55:52,906 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:55:52,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:55:52,906 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:55:52,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:55:52,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:55:52,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:55:52,909 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_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df3faf2d1bbcaed92e1c2eddcb5ae1d2459730e99808e363d537a0bc5d54e347 [2021-10-28 09:55:53,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:55:53,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:55:53,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:55:53,260 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:55:53,260 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:55:53,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2021-10-28 09:55:53,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/data/abdaa8ee2/55894551736b43e9969f7d3aa1c0620a/FLAG6f520b549 [2021-10-28 09:55:53,945 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:55:53,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c [2021-10-28 09:55:53,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/data/abdaa8ee2/55894551736b43e9969f7d3aa1c0620a/FLAG6f520b549 [2021-10-28 09:55:54,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/data/abdaa8ee2/55894551736b43e9969f7d3aa1c0620a [2021-10-28 09:55:54,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:55:54,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:55:54,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:54,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:55:54,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:55:54,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7463d968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54, skipping insertion in model container [2021-10-28 09:55:54,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:55:54,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:55:54,455 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_59d23bca-047d-440f-8a8a-10e5ee8643d8/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2021-10-28 09:55:54,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:54,574 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:55:54,587 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_59d23bca-047d-440f-8a8a-10e5ee8643d8/sv-benchmarks/c/product-lines/minepump_spec5_product39.cil.c[1605,1618] [2021-10-28 09:55:54,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:55:54,663 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:55:54,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54 WrapperNode [2021-10-28 09:55:54,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:55:54,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:55:54,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:55:54,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:55:54,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:55:54,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:55:54,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:55:54,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:55:54,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:55:54,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:55:54,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:55:54,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:55:54,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (1/1) ... [2021-10-28 09:55:54,806 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:55:54,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:54,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:55:54,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:55:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:55:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:55:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:55:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:55:55,905 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:55:55,906 INFO L299 CfgBuilder]: Removed 174 assume(true) statements. [2021-10-28 09:55:55,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:55:55 BoogieIcfgContainer [2021-10-28 09:55:55,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:55:55,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:55:55,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:55:55,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:55:55,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:55:54" (1/3) ... [2021-10-28 09:55:55,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ba2b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:55:55, skipping insertion in model container [2021-10-28 09:55:55,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:55:54" (2/3) ... [2021-10-28 09:55:55,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ba2b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:55:55, skipping insertion in model container [2021-10-28 09:55:55,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:55:55" (3/3) ... [2021-10-28 09:55:55,920 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2021-10-28 09:55:55,925 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:55:55,925 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:55:55,968 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:55:55,974 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 09:55:55,974 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:55:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 118 states have (on average 1.5508474576271187) internal successors, (183), 121 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 09:55:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:55:55,998 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:55,998 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 09:55:55,999 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 09:55:56,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:56,005 INFO L85 PathProgramCache]: Analyzing trace with hash 570937186, now seen corresponding path program 1 times [2021-10-28 09:55:56,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:56,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97677401] [2021-10-28 09:55:56,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:56,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:56,274 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 09:55:56,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:56,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97677401] [2021-10-28 09:55:56,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97677401] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:56,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:56,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:55:56,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131157079] [2021-10-28 09:55:56,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:55:56,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:56,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:55:56,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:55:56,302 INFO L87 Difference]: Start difference. First operand has 122 states, 118 states have (on average 1.5508474576271187) internal successors, (183), 121 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) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:56,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:56,360 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2021-10-28 09:55:56,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:55:56,361 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 09:55:56,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:56,378 INFO L225 Difference]: With dead ends: 237 [2021-10-28 09:55:56,378 INFO L226 Difference]: Without dead ends: 118 [2021-10-28 09:55:56,382 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 09:55:56,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-28 09:55:56,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-28 09:55:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.4869565217391305) internal successors, (171), 117 states have internal predecessors, (171), 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 09:55:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2021-10-28 09:55:56,421 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2021-10-28 09:55:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:56,422 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2021-10-28 09:55:56,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2021-10-28 09:55:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 09:55:56,425 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:56,425 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] [2021-10-28 09:55:56,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:55:56,430 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 09:55:56,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:56,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1918010557, now seen corresponding path program 1 times [2021-10-28 09:55:56,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:56,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006022019] [2021-10-28 09:55:56,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:56,432 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:56,567 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 09:55:56,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:56,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006022019] [2021-10-28 09:55:56,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006022019] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:56,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:56,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:55:56,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994738293] [2021-10-28 09:55:56,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:55:56,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:56,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:55:56,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:55:56,582 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:56,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:56,592 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2021-10-28 09:55:56,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:55:56,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-28 09:55:56,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:56,594 INFO L225 Difference]: With dead ends: 118 [2021-10-28 09:55:56,594 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 09:55:56,595 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 09:55:56,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 09:55:56,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 09:55:56,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-28 09:55:56,602 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-28 09:55:56,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:56,602 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-28 09:55:56,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:56,603 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-28 09:55:56,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 09:55:56,604 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:56,604 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 09:55:56,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:55:56,605 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 09:55:56,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:56,606 INFO L85 PathProgramCache]: Analyzing trace with hash 333982465, now seen corresponding path program 1 times [2021-10-28 09:55:56,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:56,607 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447945787] [2021-10-28 09:55:56,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:56,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:56,738 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 09:55:56,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:56,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447945787] [2021-10-28 09:55:56,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447945787] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:56,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:56,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:55:56,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691989433] [2021-10-28 09:55:56,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:55:56,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:56,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:55:56,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:55:56,745 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:56,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:56,933 INFO L93 Difference]: Finished difference Result 165 states and 243 transitions. [2021-10-28 09:55:56,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:55:56,934 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 09:55:56,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:56,937 INFO L225 Difference]: With dead ends: 165 [2021-10-28 09:55:56,937 INFO L226 Difference]: Without dead ends: 121 [2021-10-28 09:55:56,938 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 09:55:56,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-28 09:55:56,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 73. [2021-10-28 09:55:56,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 72 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:56,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 106 transitions. [2021-10-28 09:55:56,966 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 106 transitions. Word has length 26 [2021-10-28 09:55:56,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:56,967 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 106 transitions. [2021-10-28 09:55:56,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:56,967 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2021-10-28 09:55:56,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 09:55:56,970 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:56,970 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] [2021-10-28 09:55:56,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:55:56,971 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 09:55:56,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:56,972 INFO L85 PathProgramCache]: Analyzing trace with hash 139090872, now seen corresponding path program 1 times [2021-10-28 09:55:56,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:56,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670411727] [2021-10-28 09:55:56,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:56,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:57,111 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 09:55:57,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:57,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670411727] [2021-10-28 09:55:57,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670411727] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:57,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:57,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:55:57,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705180583] [2021-10-28 09:55:57,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:55:57,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:57,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:55:57,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:55:57,114 INFO L87 Difference]: Start difference. First operand 73 states and 106 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:57,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:57,180 INFO L93 Difference]: Finished difference Result 163 states and 239 transitions. [2021-10-28 09:55:57,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:55:57,181 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-28 09:55:57,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:57,182 INFO L225 Difference]: With dead ends: 163 [2021-10-28 09:55:57,183 INFO L226 Difference]: Without dead ends: 97 [2021-10-28 09:55:57,183 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 09:55:57,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-10-28 09:55:57,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 95. [2021-10-28 09:55:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.425531914893617) internal successors, (134), 94 states have internal predecessors, (134), 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 09:55:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 134 transitions. [2021-10-28 09:55:57,200 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 134 transitions. Word has length 28 [2021-10-28 09:55:57,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:57,201 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 134 transitions. [2021-10-28 09:55:57,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2021-10-28 09:55:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 09:55:57,202 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:57,203 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] [2021-10-28 09:55:57,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:55:57,206 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 09:55:57,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:57,208 INFO L85 PathProgramCache]: Analyzing trace with hash 65503050, now seen corresponding path program 1 times [2021-10-28 09:55:57,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:57,209 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702585162] [2021-10-28 09:55:57,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:57,209 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:57,343 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 09:55:57,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:57,344 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702585162] [2021-10-28 09:55:57,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702585162] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:57,344 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:57,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:55:57,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948487433] [2021-10-28 09:55:57,345 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:55:57,345 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:57,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:55:57,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:55:57,347 INFO L87 Difference]: Start difference. First operand 95 states and 134 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 09:55:57,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:57,499 INFO L93 Difference]: Finished difference Result 308 states and 436 transitions. [2021-10-28 09:55:57,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:55:57,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2021-10-28 09:55:57,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:57,504 INFO L225 Difference]: With dead ends: 308 [2021-10-28 09:55:57,504 INFO L226 Difference]: Without dead ends: 220 [2021-10-28 09:55:57,508 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 09:55:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-10-28 09:55:57,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 93. [2021-10-28 09:55:57,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.391304347826087) internal successors, (128), 92 states have internal predecessors, (128), 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 09:55:57,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 128 transitions. [2021-10-28 09:55:57,535 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 128 transitions. Word has length 29 [2021-10-28 09:55:57,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:57,536 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 128 transitions. [2021-10-28 09:55:57,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 09:55:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 128 transitions. [2021-10-28 09:55:57,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:55:57,537 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:57,538 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 09:55:57,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:55:57,538 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 09:55:57,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:57,539 INFO L85 PathProgramCache]: Analyzing trace with hash -755991289, now seen corresponding path program 1 times [2021-10-28 09:55:57,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:57,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512561977] [2021-10-28 09:55:57,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:57,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:57,616 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 09:55:57,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:57,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512561977] [2021-10-28 09:55:57,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512561977] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:57,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:57,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:55:57,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248138689] [2021-10-28 09:55:57,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:55:57,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:57,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:55:57,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:55:57,619 INFO L87 Difference]: Start difference. First operand 93 states and 128 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:57,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:57,679 INFO L93 Difference]: Finished difference Result 272 states and 374 transitions. [2021-10-28 09:55:57,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:55:57,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 09:55:57,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:57,692 INFO L225 Difference]: With dead ends: 272 [2021-10-28 09:55:57,693 INFO L226 Difference]: Without dead ends: 186 [2021-10-28 09:55:57,694 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 09:55:57,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-10-28 09:55:57,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 99. [2021-10-28 09:55:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.3673469387755102) internal successors, (134), 98 states have internal predecessors, (134), 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 09:55:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 134 transitions. [2021-10-28 09:55:57,712 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 134 transitions. Word has length 34 [2021-10-28 09:55:57,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:57,714 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 134 transitions. [2021-10-28 09:55:57,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:57,715 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 134 transitions. [2021-10-28 09:55:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:55:57,721 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:57,721 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 09:55:57,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:55:57,722 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 09:55:57,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:57,723 INFO L85 PathProgramCache]: Analyzing trace with hash -54926711, now seen corresponding path program 1 times [2021-10-28 09:55:57,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:57,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674342111] [2021-10-28 09:55:57,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:57,728 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:57,812 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 09:55:57,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:57,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674342111] [2021-10-28 09:55:57,813 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674342111] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:57,813 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:57,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:55:57,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13402672] [2021-10-28 09:55:57,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:55:57,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:57,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:55:57,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:55:57,815 INFO L87 Difference]: Start difference. First operand 99 states and 134 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:57,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:57,881 INFO L93 Difference]: Finished difference Result 245 states and 332 transitions. [2021-10-28 09:55:57,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:55:57,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 09:55:57,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:57,883 INFO L225 Difference]: With dead ends: 245 [2021-10-28 09:55:57,883 INFO L226 Difference]: Without dead ends: 153 [2021-10-28 09:55:57,884 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 09:55:57,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-28 09:55:57,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 103. [2021-10-28 09:55:57,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.3529411764705883) internal successors, (138), 102 states have internal predecessors, (138), 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 09:55:57,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 138 transitions. [2021-10-28 09:55:57,895 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 138 transitions. Word has length 34 [2021-10-28 09:55:57,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:57,896 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 138 transitions. [2021-10-28 09:55:57,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions. [2021-10-28 09:55:57,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:55:57,897 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:57,897 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 09:55:57,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:55:57,897 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 09:55:57,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:57,898 INFO L85 PathProgramCache]: Analyzing trace with hash -641732725, now seen corresponding path program 1 times [2021-10-28 09:55:57,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:57,898 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748692777] [2021-10-28 09:55:57,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:57,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:57,957 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 09:55:57,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:57,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748692777] [2021-10-28 09:55:57,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748692777] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:57,958 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:57,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:55:57,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974103451] [2021-10-28 09:55:57,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:55:57,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:57,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:55:57,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:55:57,960 INFO L87 Difference]: Start difference. First operand 103 states and 138 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:58,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:58,002 INFO L93 Difference]: Finished difference Result 249 states and 335 transitions. [2021-10-28 09:55:58,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:55:58,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 09:55:58,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:58,005 INFO L225 Difference]: With dead ends: 249 [2021-10-28 09:55:58,005 INFO L226 Difference]: Without dead ends: 153 [2021-10-28 09:55:58,005 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 09:55:58,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-28 09:55:58,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-10-28 09:55:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.3223684210526316) internal successors, (201), 152 states have internal predecessors, (201), 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 09:55:58,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 201 transitions. [2021-10-28 09:55:58,045 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 201 transitions. Word has length 34 [2021-10-28 09:55:58,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:58,045 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 201 transitions. [2021-10-28 09:55:58,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:58,046 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 201 transitions. [2021-10-28 09:55:58,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 09:55:58,047 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:58,047 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, 1] [2021-10-28 09:55:58,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:55:58,047 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 09:55:58,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:58,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2037678901, now seen corresponding path program 1 times [2021-10-28 09:55:58,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:58,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752054589] [2021-10-28 09:55:58,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:58,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:58,144 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 09:55:58,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:58,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752054589] [2021-10-28 09:55:58,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752054589] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:55:58,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:55:58,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:55:58,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322702029] [2021-10-28 09:55:58,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:55:58,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:58,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:55:58,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:55:58,147 INFO L87 Difference]: Start difference. First operand 153 states and 201 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:58,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:58,475 INFO L93 Difference]: Finished difference Result 708 states and 958 transitions. [2021-10-28 09:55:58,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:55:58,476 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-28 09:55:58,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:58,487 INFO L225 Difference]: With dead ends: 708 [2021-10-28 09:55:58,487 INFO L226 Difference]: Without dead ends: 612 [2021-10-28 09:55:58,488 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:55:58,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2021-10-28 09:55:58,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 253. [2021-10-28 09:55:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.3174603174603174) internal successors, (332), 252 states have internal predecessors, (332), 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 09:55:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 332 transitions. [2021-10-28 09:55:58,532 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 332 transitions. Word has length 35 [2021-10-28 09:55:58,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:58,532 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 332 transitions. [2021-10-28 09:55:58,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:58,533 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 332 transitions. [2021-10-28 09:55:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-28 09:55:58,537 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:55:58,538 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] [2021-10-28 09:55:58,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:55:58,538 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 09:55:58,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:55:58,539 INFO L85 PathProgramCache]: Analyzing trace with hash 463651681, now seen corresponding path program 1 times [2021-10-28 09:55:58,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:55:58,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564326871] [2021-10-28 09:55:58,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:58,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:55:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:58,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:55:58,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564326871] [2021-10-28 09:55:58,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564326871] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:55:58,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533484772] [2021-10-28 09:55:58,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:55:58,670 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:55:58,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:55:58,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:55:58,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:55:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:55:58,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 09:55:58,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:55:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:55:59,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533484772] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:55:59,022 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:55:59,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-28 09:55:59,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970362159] [2021-10-28 09:55:59,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 09:55:59,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:55:59,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:55:59,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:55:59,025 INFO L87 Difference]: Start difference. First operand 253 states and 332 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:59,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:55:59,401 INFO L93 Difference]: Finished difference Result 582 states and 775 transitions. [2021-10-28 09:55:59,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:55:59,402 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-28 09:55:59,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:55:59,403 INFO L225 Difference]: With dead ends: 582 [2021-10-28 09:55:59,403 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:55:59,405 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-28 09:55:59,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:55:59,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:55:59,405 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 09:55:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:55:59,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-28 09:55:59,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:55:59,406 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:55:59,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:55:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:55:59,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:55:59,409 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:55:59,409 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:55:59,410 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:55:59,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:55:59,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 09:55:59,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:55:59,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:59,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:59,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:59,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:59,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:59,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:59,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:59,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:55:59,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,092 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,170 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,526 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:00,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:56:03,496 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 09:56:03,497 INFO L853 garLoopResultBuilder]: At program point L366(lines 362 368) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 09:56:03,497 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 899) no Hoare annotation was computed. [2021-10-28 09:56:03,497 INFO L857 garLoopResultBuilder]: For program point L895-3(lines 895 899) no Hoare annotation was computed. [2021-10-28 09:56:03,497 INFO L857 garLoopResultBuilder]: For program point L895-6(lines 895 899) no Hoare annotation was computed. [2021-10-28 09:56:03,497 INFO L860 garLoopResultBuilder]: At program point L401(lines 382 404) the Hoare annotation is: true [2021-10-28 09:56:03,497 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 518) no Hoare annotation was computed. [2021-10-28 09:56:03,498 INFO L853 garLoopResultBuilder]: At program point L501-1(lines 1 981) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5 2) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse3 .cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5) .cse5) (and .cse1 .cse6 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-10-28 09:56:03,498 INFO L857 garLoopResultBuilder]: For program point L501-2(lines 501 518) no Hoare annotation was computed. [2021-10-28 09:56:03,498 INFO L853 garLoopResultBuilder]: At program point L501-3(lines 1 981) the Hoare annotation is: false [2021-10-28 09:56:03,498 INFO L857 garLoopResultBuilder]: For program point L501-4(lines 501 518) no Hoare annotation was computed. [2021-10-28 09:56:03,498 INFO L853 garLoopResultBuilder]: At program point L501-5(lines 1 981) the Hoare annotation is: false [2021-10-28 09:56:03,498 INFO L853 garLoopResultBuilder]: At program point L964(lines 959 967) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse3 .cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse1 .cse6 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-10-28 09:56:03,498 INFO L853 garLoopResultBuilder]: At program point L964-1(lines 959 967) the Hoare annotation is: false [2021-10-28 09:56:03,499 INFO L853 garLoopResultBuilder]: At program point L964-2(lines 959 967) the Hoare annotation is: false [2021-10-28 09:56:03,499 INFO L857 garLoopResultBuilder]: For program point L436(lines 436 442) no Hoare annotation was computed. [2021-10-28 09:56:03,499 INFO L853 garLoopResultBuilder]: At program point L436-1(lines 436 442) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-10-28 09:56:03,499 INFO L853 garLoopResultBuilder]: At program point L932(lines 927 935) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2021-10-28 09:56:03,499 INFO L853 garLoopResultBuilder]: At program point L932-1(lines 927 935) the Hoare annotation is: false [2021-10-28 09:56:03,499 INFO L853 garLoopResultBuilder]: At program point L932-2(lines 927 935) the Hoare annotation is: false [2021-10-28 09:56:03,499 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 515) no Hoare annotation was computed. [2021-10-28 09:56:03,500 INFO L857 garLoopResultBuilder]: For program point L505-2(lines 505 515) no Hoare annotation was computed. [2021-10-28 09:56:03,500 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 09:56:03,500 INFO L857 garLoopResultBuilder]: For program point L505-4(lines 505 515) no Hoare annotation was computed. [2021-10-28 09:56:03,500 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 512) no Hoare annotation was computed. [2021-10-28 09:56:03,500 INFO L857 garLoopResultBuilder]: For program point L506-2(lines 506 512) no Hoare annotation was computed. [2021-10-28 09:56:03,500 INFO L857 garLoopResultBuilder]: For program point L506-4(lines 506 512) no Hoare annotation was computed. [2021-10-28 09:56:03,500 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 194) no Hoare annotation was computed. [2021-10-28 09:56:03,500 INFO L857 garLoopResultBuilder]: For program point L177-1(lines 177 194) no Hoare annotation was computed. [2021-10-28 09:56:03,501 INFO L857 garLoopResultBuilder]: For program point L177-2(lines 177 194) no Hoare annotation was computed. [2021-10-28 09:56:03,501 INFO L857 garLoopResultBuilder]: For program point L972(lines 972 978) no Hoare annotation was computed. [2021-10-28 09:56:03,501 INFO L857 garLoopResultBuilder]: For program point L972-1(lines 972 978) no Hoare annotation was computed. [2021-10-28 09:56:03,501 INFO L857 garLoopResultBuilder]: For program point L972-2(lines 972 978) no Hoare annotation was computed. [2021-10-28 09:56:03,501 INFO L857 garLoopResultBuilder]: For program point L972-3(lines 972 978) no Hoare annotation was computed. [2021-10-28 09:56:03,501 INFO L857 garLoopResultBuilder]: For program point L972-4(lines 972 978) no Hoare annotation was computed. [2021-10-28 09:56:03,501 INFO L857 garLoopResultBuilder]: For program point L972-5(lines 972 978) no Hoare annotation was computed. [2021-10-28 09:56:03,501 INFO L857 garLoopResultBuilder]: For program point L279(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,502 INFO L857 garLoopResultBuilder]: For program point L279-2(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,502 INFO L857 garLoopResultBuilder]: For program point L279-3(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,507 INFO L857 garLoopResultBuilder]: For program point L279-5(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,507 INFO L857 garLoopResultBuilder]: For program point L279-6(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,507 INFO L857 garLoopResultBuilder]: For program point L279-8(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,508 INFO L857 garLoopResultBuilder]: For program point L279-9(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,508 INFO L857 garLoopResultBuilder]: For program point L279-11(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,508 INFO L857 garLoopResultBuilder]: For program point L907(lines 907 911) no Hoare annotation was computed. [2021-10-28 09:56:03,508 INFO L857 garLoopResultBuilder]: For program point L279-12(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,511 INFO L857 garLoopResultBuilder]: For program point L279-14(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,511 INFO L857 garLoopResultBuilder]: For program point L279-15(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,511 INFO L857 garLoopResultBuilder]: For program point L279-17(lines 279 283) no Hoare annotation was computed. [2021-10-28 09:56:03,511 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 189) no Hoare annotation was computed. [2021-10-28 09:56:03,512 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 181 189) no Hoare annotation was computed. [2021-10-28 09:56:03,512 INFO L857 garLoopResultBuilder]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2021-10-28 09:56:03,512 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 459) no Hoare annotation was computed. [2021-10-28 09:56:03,513 INFO L853 garLoopResultBuilder]: At program point L480(lines 475 482) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 09:56:03,513 INFO L853 garLoopResultBuilder]: At program point L84(lines 1 981) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:56:03,513 INFO L853 garLoopResultBuilder]: At program point L316-2(lines 316 330) the Hoare annotation is: false [2021-10-28 09:56:03,513 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 168) no Hoare annotation was computed. [2021-10-28 09:56:03,514 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 151 168) no Hoare annotation was computed. [2021-10-28 09:56:03,514 INFO L857 garLoopResultBuilder]: For program point L151-2(lines 151 168) no Hoare annotation was computed. [2021-10-28 09:56:03,514 INFO L857 garLoopResultBuilder]: For program point L151-3(lines 151 168) no Hoare annotation was computed. [2021-10-28 09:56:03,514 INFO L857 garLoopResultBuilder]: For program point L151-4(lines 151 168) no Hoare annotation was computed. [2021-10-28 09:56:03,514 INFO L857 garLoopResultBuilder]: For program point L151-5(lines 151 168) no Hoare annotation was computed. [2021-10-28 09:56:03,514 INFO L853 garLoopResultBuilder]: At program point L977(lines 968 981) the Hoare annotation is: false [2021-10-28 09:56:03,515 INFO L853 garLoopResultBuilder]: At program point L977-1(lines 968 981) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5))) [2021-10-28 09:56:03,515 INFO L853 garLoopResultBuilder]: At program point L977-2(lines 968 981) the Hoare annotation is: false [2021-10-28 09:56:03,515 INFO L853 garLoopResultBuilder]: At program point L977-3(lines 968 981) the Hoare annotation is: false [2021-10-28 09:56:03,515 INFO L853 garLoopResultBuilder]: At program point L977-4(lines 968 981) the Hoare annotation is: false [2021-10-28 09:56:03,516 INFO L853 garLoopResultBuilder]: At program point L977-5(lines 968 981) the Hoare annotation is: false [2021-10-28 09:56:03,516 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:56:03,517 INFO L857 garLoopResultBuilder]: For program point L317(line 317) no Hoare annotation was computed. [2021-10-28 09:56:03,517 INFO L853 garLoopResultBuilder]: At program point L119(lines 115 137) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse4) (and .cse0 .cse5 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse5 .cse1 .cse2 .cse3 .cse4))) [2021-10-28 09:56:03,518 INFO L853 garLoopResultBuilder]: At program point L119-1(lines 115 137) the Hoare annotation is: false [2021-10-28 09:56:03,518 INFO L853 garLoopResultBuilder]: At program point L119-2(lines 115 137) the Hoare annotation is: false [2021-10-28 09:56:03,518 INFO L857 garLoopResultBuilder]: For program point L417(lines 416 463) no Hoare annotation was computed. [2021-10-28 09:56:03,518 INFO L853 garLoopResultBuilder]: At program point L285(lines 270 288) the Hoare annotation is: false [2021-10-28 09:56:03,518 INFO L853 garLoopResultBuilder]: At program point L285-1(lines 270 288) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse3 .cse4 .cse5))) [2021-10-28 09:56:03,518 INFO L853 garLoopResultBuilder]: At program point L285-2(lines 270 288) the Hoare annotation is: false [2021-10-28 09:56:03,519 INFO L853 garLoopResultBuilder]: At program point L285-3(lines 270 288) the Hoare annotation is: false [2021-10-28 09:56:03,519 INFO L853 garLoopResultBuilder]: At program point L285-4(lines 270 288) the Hoare annotation is: false [2021-10-28 09:56:03,519 INFO L853 garLoopResultBuilder]: At program point L285-5(lines 270 288) the Hoare annotation is: false [2021-10-28 09:56:03,519 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-28 09:56:03,519 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-28 09:56:03,519 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-28 09:56:03,520 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 422) no Hoare annotation was computed. [2021-10-28 09:56:03,520 INFO L857 garLoopResultBuilder]: For program point L452(lines 452 458) no Hoare annotation was computed. [2021-10-28 09:56:03,520 INFO L853 garLoopResultBuilder]: At program point L452-1(lines 452 458) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse4 .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse5))) [2021-10-28 09:56:03,521 INFO L857 garLoopResultBuilder]: For program point L320(lines 320 324) no Hoare annotation was computed. [2021-10-28 09:56:03,521 INFO L857 garLoopResultBuilder]: For program point L320-1(lines 320 324) no Hoare annotation was computed. [2021-10-28 09:56:03,521 INFO L853 garLoopResultBuilder]: At program point L221(lines 214 224) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_main_~tmp~3 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2021-10-28 09:56:03,521 INFO L853 garLoopResultBuilder]: At program point L221-1(lines 214 224) the Hoare annotation is: false [2021-10-28 09:56:03,521 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 163) no Hoare annotation was computed. [2021-10-28 09:56:03,522 INFO L853 garLoopResultBuilder]: At program point L221-2(lines 214 224) the Hoare annotation is: false [2021-10-28 09:56:03,522 INFO L857 garLoopResultBuilder]: For program point L155-1(lines 155 163) no Hoare annotation was computed. [2021-10-28 09:56:03,522 INFO L857 garLoopResultBuilder]: For program point L155-2(lines 155 163) no Hoare annotation was computed. [2021-10-28 09:56:03,522 INFO L857 garLoopResultBuilder]: For program point L155-3(lines 155 163) no Hoare annotation was computed. [2021-10-28 09:56:03,522 INFO L857 garLoopResultBuilder]: For program point L155-4(lines 155 163) no Hoare annotation was computed. [2021-10-28 09:56:03,523 INFO L857 garLoopResultBuilder]: For program point L155-5(lines 155 163) no Hoare annotation was computed. [2021-10-28 09:56:03,523 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:56:03,523 INFO L853 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 09:56:03,526 INFO L853 garLoopResultBuilder]: At program point L126(lines 126 132) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-10-28 09:56:03,526 INFO L853 garLoopResultBuilder]: At program point L126-1(lines 126 132) the Hoare annotation is: false [2021-10-28 09:56:03,526 INFO L853 garLoopResultBuilder]: At program point L126-2(lines 126 132) the Hoare annotation is: false [2021-10-28 09:56:03,526 INFO L857 garLoopResultBuilder]: For program point L919(lines 919 923) no Hoare annotation was computed. [2021-10-28 09:56:03,526 INFO L853 garLoopResultBuilder]: At program point L490(lines 119 125) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3))) [2021-10-28 09:56:03,527 INFO L853 garLoopResultBuilder]: At program point L490-1(lines 119 125) the Hoare annotation is: false [2021-10-28 09:56:03,527 INFO L853 garLoopResultBuilder]: At program point L490-2(lines 119 125) the Hoare annotation is: false [2021-10-28 09:56:03,527 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:56:03,527 INFO L857 garLoopResultBuilder]: For program point L392(lines 392 399) no Hoare annotation was computed. [2021-10-28 09:56:03,527 INFO L860 garLoopResultBuilder]: At program point L392-1(lines 392 399) the Hoare annotation is: true [2021-10-28 09:56:03,527 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2021-10-28 09:56:03,528 INFO L853 garLoopResultBuilder]: At program point L293-1(lines 293 299) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-28 09:56:03,528 INFO L857 garLoopResultBuilder]: For program point L426(lines 426 432) no Hoare annotation was computed. [2021-10-28 09:56:03,528 INFO L853 garLoopResultBuilder]: At program point L426-1(lines 426 432) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5))) [2021-10-28 09:56:03,528 INFO L853 garLoopResultBuilder]: At program point L230(lines 225 233) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~3 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6) (and .cse1 (= ~pumpRunning~0 0) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse3 .cse4))) [2021-10-28 09:56:03,528 INFO L853 garLoopResultBuilder]: At program point L230-1(lines 225 233) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~3 1)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) (and .cse0 (= ~pumpRunning~0 0) .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3))) [2021-10-28 09:56:03,529 INFO L853 garLoopResultBuilder]: At program point L230-2(lines 225 233) the Hoare annotation is: false [2021-10-28 09:56:03,529 INFO L853 garLoopResultBuilder]: At program point L230-3(lines 225 233) the Hoare annotation is: false [2021-10-28 09:56:03,529 INFO L853 garLoopResultBuilder]: At program point L230-4(lines 225 233) the Hoare annotation is: false [2021-10-28 09:56:03,529 INFO L853 garLoopResultBuilder]: At program point L230-5(lines 225 233) the Hoare annotation is: false [2021-10-28 09:56:03,529 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:56:03,530 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 09:56:03,531 INFO L853 garLoopResultBuilder]: At program point L464(lines 415 465) the Hoare annotation is: false [2021-10-28 09:56:03,535 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:56:03,537 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:56:03,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:56:03 BoogieIcfgContainer [2021-10-28 09:56:03,582 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:56:03,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:56:03,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:56:03,583 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:56:03,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:55:55" (3/4) ... [2021-10-28 09:56:03,586 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:56:03,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:56:03,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:56:03,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:56:03,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:56:03,609 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:56:03,611 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:56:03,612 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:56:03,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 09:56:03,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 09:56:03,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 09:56:03,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:56:03,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:56:03,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:56:03,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:56:03,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 [2021-10-28 09:56:03,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) [2021-10-28 09:56:03,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) [2021-10-28 09:56:03,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:56:03,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:56:03,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:56:03,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) [2021-10-28 09:56:03,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) [2021-10-28 09:56:03,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:56:03,642 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) [2021-10-28 09:56:03,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) [2021-10-28 09:56:03,694 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:56:03,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:56:03,696 INFO L168 Benchmark]: Toolchain (without parser) took 9490.74 ms. Allocated memory was 100.7 MB in the beginning and 186.6 MB in the end (delta: 86.0 MB). Free memory was 67.7 MB in the beginning and 87.3 MB in the end (delta: -19.6 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:03,696 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 54.2 MB in the beginning and 54.2 MB in the end (delta: 24.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:56:03,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 456.28 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 67.8 MB in the end (delta: -351.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:03,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.93 ms. Allocated memory is still 100.7 MB. Free memory was 67.8 MB in the beginning and 63.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:03,698 INFO L168 Benchmark]: Boogie Preprocessor took 42.78 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 61.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:03,698 INFO L168 Benchmark]: RCFGBuilder took 1134.73 ms. Allocated memory is still 100.7 MB. Free memory was 60.9 MB in the beginning and 51.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:03,698 INFO L168 Benchmark]: TraceAbstraction took 7671.42 ms. Allocated memory was 100.7 MB in the beginning and 186.6 MB in the end (delta: 86.0 MB). Free memory was 50.8 MB in the beginning and 97.8 MB in the end (delta: -47.0 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:03,699 INFO L168 Benchmark]: Witness Printer took 112.50 ms. Allocated memory is still 186.6 MB. Free memory was 96.8 MB in the beginning and 87.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:56:03,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 83.9 MB. Free memory was 54.2 MB in the beginning and 54.2 MB in the end (delta: 24.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 456.28 ms. Allocated memory is still 100.7 MB. Free memory was 67.5 MB in the beginning and 67.8 MB in the end (delta: -351.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.93 ms. Allocated memory is still 100.7 MB. Free memory was 67.8 MB in the beginning and 63.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.78 ms. Allocated memory is still 100.7 MB. Free memory was 63.6 MB in the beginning and 61.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1134.73 ms. Allocated memory is still 100.7 MB. Free memory was 60.9 MB in the beginning and 51.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7671.42 ms. Allocated memory was 100.7 MB in the beginning and 186.6 MB in the end (delta: 86.0 MB). Free memory was 50.8 MB in the beginning and 97.8 MB in the end (delta: -47.0 MB). Peak memory consumption was 66.8 MB. Max. memory is 16.1 GB. * Witness Printer took 112.50 ms. Allocated memory is still 186.6 MB. Free memory was 96.8 MB in the beginning and 87.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 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: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 122 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1065 SDtfs, 1516 SDslu, 1855 SDs, 0 SdLazy, 297 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=253occurred in iteration=9, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 673 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 203 NumberOfFragments, 1011 HoareAnnotationTreeSize, 51 FomulaSimplifications, 30849 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 83238 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 371 NumberOfCodeBlocks, 371 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 360 ConstructedInterpolants, 0 QuantifiedInterpolants, 789 SizeOfPredicates, 3 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: ((((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && 1 <= \result) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && tmp <= 2) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && tmp == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 2 <= waterLevel) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && splverifierCounter == 0) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && \result == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:56:03,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59d23bca-047d-440f-8a8a-10e5ee8643d8/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...