./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.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_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/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_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/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_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/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 e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:43:02,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:43:02,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:43:02,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:43:02,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:43:02,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:43:02,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:43:02,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:43:02,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:43:02,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:43:02,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:43:02,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:43:02,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:43:02,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:43:02,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:43:02,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:43:02,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:43:02,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:43:02,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:43:02,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:43:02,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:43:02,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:43:02,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:43:02,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:43:02,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:43:02,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:43:02,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:43:02,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:43:02,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:43:02,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:43:02,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:43:02,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:43:02,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:43:02,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:43:02,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:43:02,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:43:02,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:43:02,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:43:02,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:43:02,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:43:02,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:43:02,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:43:02,873 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:43:02,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:43:02,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:43:02,874 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:43:02,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:43:02,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:43:02,876 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:43:02,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:43:02,876 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:43:02,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:43:02,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:43:02,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:43:02,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:43:02,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:43:02,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:43:02,878 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:43:02,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:43:02,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:43:02,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:43:02,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:43:02,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:43:02,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:43:02,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:43:02,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:43:02,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:43:02,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:43:02,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:43:02,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:43:02,881 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:43:02,881 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:43:02,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:43:02,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:43:02,882 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_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 [2021-10-28 09:43:03,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:43:03,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:43:03,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:43:03,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:43:03,246 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:43:03,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-10-28 09:43:03,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/data/ad2d1e2a6/18a1be83f34c494bb9a7c57a6d354b58/FLAG0fb5ac206 [2021-10-28 09:43:03,902 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:43:03,902 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-10-28 09:43:03,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/data/ad2d1e2a6/18a1be83f34c494bb9a7c57a6d354b58/FLAG0fb5ac206 [2021-10-28 09:43:04,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/data/ad2d1e2a6/18a1be83f34c494bb9a7c57a6d354b58 [2021-10-28 09:43:04,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:43:04,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:43:04,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:43:04,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:43:04,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:43:04,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a75ce52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04, skipping insertion in model container [2021-10-28 09:43:04,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:43:04,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:43:04,554 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_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-10-28 09:43:04,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:43:04,614 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:43:04,734 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_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-10-28 09:43:04,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:43:04,781 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:43:04,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04 WrapperNode [2021-10-28 09:43:04,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:43:04,783 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:43:04,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:43:04,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:43:04,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:43:04,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:43:04,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:43:04,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:43:04,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:04,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:43:04,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:43:04,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:43:04,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:43:04,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (1/1) ... [2021-10-28 09:43:05,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:43:05,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:43:05,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:43:05,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:43:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:43:05,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:43:05,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:43:05,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:43:05,907 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:43:05,907 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-28 09:43:05,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:43:05 BoogieIcfgContainer [2021-10-28 09:43:05,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:43:05,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:43:05,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:43:05,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:43:05,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:43:04" (1/3) ... [2021-10-28 09:43:05,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b28cdb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:43:05, skipping insertion in model container [2021-10-28 09:43:05,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:43:04" (2/3) ... [2021-10-28 09:43:05,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b28cdb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:43:05, skipping insertion in model container [2021-10-28 09:43:05,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:43:05" (3/3) ... [2021-10-28 09:43:05,918 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2021-10-28 09:43:05,924 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:43:05,924 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:43:05,973 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:43:05,979 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 09:43:05,980 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:43:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:43:06,002 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:06,003 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:06,004 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 09:43:06,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:06,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1284074395, now seen corresponding path program 1 times [2021-10-28 09:43:06,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:06,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92852129] [2021-10-28 09:43:06,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:06,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:06,327 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 09:43:06,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:06,328 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92852129] [2021-10-28 09:43:06,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92852129] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:06,329 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:06,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:43:06,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391832585] [2021-10-28 09:43:06,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:43:06,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:06,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:43:06,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:43:06,353 INFO L87 Difference]: Start difference. First operand has 84 states, 80 states have (on average 1.575) internal successors, (126), 83 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:06,378 INFO L93 Difference]: Finished difference Result 162 states and 245 transitions. [2021-10-28 09:43:06,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:43:06,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 09:43:06,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:06,390 INFO L225 Difference]: With dead ends: 162 [2021-10-28 09:43:06,390 INFO L226 Difference]: Without dead ends: 80 [2021-10-28 09:43:06,393 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 09:43:06,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-10-28 09:43:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-10-28 09:43:06,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 79 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 114 transitions. [2021-10-28 09:43:06,433 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 114 transitions. Word has length 18 [2021-10-28 09:43:06,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:06,434 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 114 transitions. [2021-10-28 09:43:06,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,434 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 114 transitions. [2021-10-28 09:43:06,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:43:06,435 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:06,436 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 09:43:06,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:43:06,436 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 09:43:06,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:06,437 INFO L85 PathProgramCache]: Analyzing trace with hash 373043642, now seen corresponding path program 1 times [2021-10-28 09:43:06,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:06,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844022521] [2021-10-28 09:43:06,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:06,439 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:06,567 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 09:43:06,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:06,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844022521] [2021-10-28 09:43:06,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844022521] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:06,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:06,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:43:06,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278461545] [2021-10-28 09:43:06,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:43:06,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:06,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:43:06,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:43:06,573 INFO L87 Difference]: Start difference. First operand 80 states and 114 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:06,590 INFO L93 Difference]: Finished difference Result 80 states and 114 transitions. [2021-10-28 09:43:06,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:43:06,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 09:43:06,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:06,594 INFO L225 Difference]: With dead ends: 80 [2021-10-28 09:43:06,594 INFO L226 Difference]: Without dead ends: 36 [2021-10-28 09:43:06,595 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 09:43:06,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-28 09:43:06,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-28 09:43:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.457142857142857) internal successors, (51), 35 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 51 transitions. [2021-10-28 09:43:06,609 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 51 transitions. Word has length 19 [2021-10-28 09:43:06,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:06,610 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 51 transitions. [2021-10-28 09:43:06,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2021-10-28 09:43:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:43:06,615 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:06,615 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:06,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:43:06,616 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 09:43:06,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:06,617 INFO L85 PathProgramCache]: Analyzing trace with hash -196588044, now seen corresponding path program 1 times [2021-10-28 09:43:06,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:06,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846790478] [2021-10-28 09:43:06,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:06,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:06,741 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 09:43:06,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:06,742 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846790478] [2021-10-28 09:43:06,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846790478] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:06,743 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:06,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:43:06,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171779202] [2021-10-28 09:43:06,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:43:06,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:06,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:43:06,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:43:06,750 INFO L87 Difference]: Start difference. First operand 36 states and 51 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:06,759 INFO L93 Difference]: Finished difference Result 66 states and 96 transitions. [2021-10-28 09:43:06,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:43:06,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 09:43:06,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:06,761 INFO L225 Difference]: With dead ends: 66 [2021-10-28 09:43:06,762 INFO L226 Difference]: Without dead ends: 36 [2021-10-28 09:43:06,763 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 09:43:06,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-28 09:43:06,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-28 09:43:06,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2021-10-28 09:43:06,770 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 50 transitions. Word has length 24 [2021-10-28 09:43:06,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:06,771 INFO L470 AbstractCegarLoop]: Abstraction has 36 states and 50 transitions. [2021-10-28 09:43:06,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2021-10-28 09:43:06,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 09:43:06,773 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:06,773 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] [2021-10-28 09:43:06,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:43:06,774 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 09:43:06,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:06,775 INFO L85 PathProgramCache]: Analyzing trace with hash 961211503, now seen corresponding path program 1 times [2021-10-28 09:43:06,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:06,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642949493] [2021-10-28 09:43:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:06,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:06,891 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 09:43:06,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:06,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642949493] [2021-10-28 09:43:06,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642949493] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:06,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:06,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:43:06,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201414856] [2021-10-28 09:43:06,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:43:06,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:06,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:43:06,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:43:06,898 INFO L87 Difference]: Start difference. First operand 36 states and 50 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:06,921 INFO L93 Difference]: Finished difference Result 89 states and 127 transitions. [2021-10-28 09:43:06,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:43:06,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-28 09:43:06,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:06,923 INFO L225 Difference]: With dead ends: 89 [2021-10-28 09:43:06,923 INFO L226 Difference]: Without dead ends: 59 [2021-10-28 09:43:06,924 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 09:43:06,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-28 09:43:06,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2021-10-28 09:43:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 56 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2021-10-28 09:43:06,932 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 25 [2021-10-28 09:43:06,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:06,933 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2021-10-28 09:43:06,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:06,934 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2021-10-28 09:43:06,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 09:43:06,935 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:06,935 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] [2021-10-28 09:43:06,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:43:06,935 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 09:43:06,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:06,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1128412896, now seen corresponding path program 1 times [2021-10-28 09:43:06,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:06,938 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733561478] [2021-10-28 09:43:06,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:06,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,046 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 09:43:07,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:07,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733561478] [2021-10-28 09:43:07,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733561478] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:07,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:07,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:43:07,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427243771] [2021-10-28 09:43:07,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:43:07,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:07,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:43:07,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:43:07,050 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:07,146 INFO L93 Difference]: Finished difference Result 149 states and 209 transitions. [2021-10-28 09:43:07,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:43:07,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-28 09:43:07,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:07,149 INFO L225 Difference]: With dead ends: 149 [2021-10-28 09:43:07,149 INFO L226 Difference]: Without dead ends: 98 [2021-10-28 09:43:07,150 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 09:43:07,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-10-28 09:43:07,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 60. [2021-10-28 09:43:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-28 09:43:07,164 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 31 [2021-10-28 09:43:07,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:07,165 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-28 09:43:07,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-28 09:43:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 09:43:07,171 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:07,171 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] [2021-10-28 09:43:07,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:43:07,171 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 09:43:07,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:07,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1016803, now seen corresponding path program 1 times [2021-10-28 09:43:07,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:07,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420555947] [2021-10-28 09:43:07,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:07,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,289 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 09:43:07,290 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:07,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420555947] [2021-10-28 09:43:07,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420555947] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:07,290 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:07,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:43:07,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268677438] [2021-10-28 09:43:07,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:43:07,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:07,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:43:07,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:43:07,298 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:07,418 INFO L93 Difference]: Finished difference Result 314 states and 451 transitions. [2021-10-28 09:43:07,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:43:07,419 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-28 09:43:07,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:07,429 INFO L225 Difference]: With dead ends: 314 [2021-10-28 09:43:07,430 INFO L226 Difference]: Without dead ends: 260 [2021-10-28 09:43:07,433 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:43:07,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-10-28 09:43:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-10-28 09:43:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.3714285714285714) internal successors, (144), 105 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 144 transitions. [2021-10-28 09:43:07,465 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 144 transitions. Word has length 31 [2021-10-28 09:43:07,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:07,465 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 144 transitions. [2021-10-28 09:43:07,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 144 transitions. [2021-10-28 09:43:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 09:43:07,470 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:07,470 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:07,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:43:07,470 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 09:43:07,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:07,471 INFO L85 PathProgramCache]: Analyzing trace with hash -2111743067, now seen corresponding path program 1 times [2021-10-28 09:43:07,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:07,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488272612] [2021-10-28 09:43:07,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:07,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,559 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 09:43:07,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:07,562 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488272612] [2021-10-28 09:43:07,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488272612] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:07,563 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:07,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:43:07,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659275558] [2021-10-28 09:43:07,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:43:07,564 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:07,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:43:07,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:43:07,565 INFO L87 Difference]: Start difference. First operand 106 states and 144 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:07,677 INFO L93 Difference]: Finished difference Result 212 states and 295 transitions. [2021-10-28 09:43:07,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:43:07,678 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 09:43:07,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:07,681 INFO L225 Difference]: With dead ends: 212 [2021-10-28 09:43:07,681 INFO L226 Difference]: Without dead ends: 158 [2021-10-28 09:43:07,682 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:43:07,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-28 09:43:07,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-10-28 09:43:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3766233766233766) internal successors, (212), 154 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 212 transitions. [2021-10-28 09:43:07,717 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 212 transitions. Word has length 32 [2021-10-28 09:43:07,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:07,718 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 212 transitions. [2021-10-28 09:43:07,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,718 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2021-10-28 09:43:07,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 09:43:07,720 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:07,720 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:07,721 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:43:07,721 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 09:43:07,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:07,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1172106979, now seen corresponding path program 1 times [2021-10-28 09:43:07,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:07,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591439926] [2021-10-28 09:43:07,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:07,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,795 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 09:43:07,795 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:07,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591439926] [2021-10-28 09:43:07,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591439926] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:07,796 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:07,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:43:07,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579373712] [2021-10-28 09:43:07,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:43:07,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:07,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:43:07,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:43:07,798 INFO L87 Difference]: Start difference. First operand 155 states and 212 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:07,838 INFO L93 Difference]: Finished difference Result 350 states and 487 transitions. [2021-10-28 09:43:07,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:43:07,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 09:43:07,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:07,841 INFO L225 Difference]: With dead ends: 350 [2021-10-28 09:43:07,841 INFO L226 Difference]: Without dead ends: 246 [2021-10-28 09:43:07,843 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 09:43:07,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-10-28 09:43:07,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 152. [2021-10-28 09:43:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3774834437086092) internal successors, (208), 151 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 208 transitions. [2021-10-28 09:43:07,876 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 208 transitions. Word has length 32 [2021-10-28 09:43:07,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:07,877 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 208 transitions. [2021-10-28 09:43:07,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 208 transitions. [2021-10-28 09:43:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 09:43:07,878 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:07,879 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:07,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:43:07,879 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 09:43:07,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:07,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1737298786, now seen corresponding path program 1 times [2021-10-28 09:43:07,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:07,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791423850] [2021-10-28 09:43:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:07,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:07,967 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 09:43:07,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:07,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791423850] [2021-10-28 09:43:07,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791423850] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:07,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:07,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:43:07,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036265176] [2021-10-28 09:43:07,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:43:07,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:07,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:43:07,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:43:07,971 INFO L87 Difference]: Start difference. First operand 152 states and 208 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:08,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:08,104 INFO L93 Difference]: Finished difference Result 325 states and 456 transitions. [2021-10-28 09:43:08,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:43:08,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 09:43:08,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:08,105 INFO L225 Difference]: With dead ends: 325 [2021-10-28 09:43:08,105 INFO L226 Difference]: Without dead ends: 63 [2021-10-28 09:43:08,106 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 09:43:08,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-10-28 09:43:08,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 60. [2021-10-28 09:43:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.2542372881355932) internal successors, (74), 59 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2021-10-28 09:43:08,112 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 74 transitions. Word has length 32 [2021-10-28 09:43:08,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:08,113 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 74 transitions. [2021-10-28 09:43:08,113 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2021-10-28 09:43:08,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 09:43:08,114 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:43:08,114 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:08,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:43:08,115 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 09:43:08,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:43:08,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1430272417, now seen corresponding path program 1 times [2021-10-28 09:43:08,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:43:08,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592390888] [2021-10-28 09:43:08,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:43:08,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:43:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:43:08,176 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 09:43:08,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:43:08,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592390888] [2021-10-28 09:43:08,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592390888] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:43:08,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:43:08,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:43:08,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222263500] [2021-10-28 09:43:08,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:43:08,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:43:08,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:43:08,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:43:08,179 INFO L87 Difference]: Start difference. First operand 60 states and 74 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:08,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:43:08,217 INFO L93 Difference]: Finished difference Result 103 states and 128 transitions. [2021-10-28 09:43:08,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:43:08,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 09:43:08,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:43:08,218 INFO L225 Difference]: With dead ends: 103 [2021-10-28 09:43:08,218 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:43:08,219 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:43:08,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:43:08,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:43:08,220 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 09:43:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:43:08,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2021-10-28 09:43:08,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:43:08,220 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:43:08,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:43:08,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:43:08,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:43:08,223 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:43:08,224 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:43:08,224 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:43:08,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:43:08,227 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:43:08,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,310 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,311 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:43:08,893 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-10-28 09:43:08,893 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:43:08,893 INFO L857 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2021-10-28 09:43:08,893 INFO L853 garLoopResultBuilder]: At program point L648-1(lines 648 654) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1 (= ~pumpRunning~0 1)) (and .cse0 .cse2 .cse1 (= ~waterLevel~0 1)) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse1))) [2021-10-28 09:43:08,894 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-10-28 09:43:08,894 INFO L853 garLoopResultBuilder]: At program point L913(lines 908 916) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:43:08,894 INFO L857 garLoopResultBuilder]: For program point L864(lines 864 877) no Hoare annotation was computed. [2021-10-28 09:43:08,894 INFO L853 garLoopResultBuilder]: At program point L864-1(lines 1 916) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1 (= ~pumpRunning~0 1)) (and .cse0 (= ~pumpRunning~0 0) .cse1 (= ~waterLevel~0 1)))) [2021-10-28 09:43:08,894 INFO L857 garLoopResultBuilder]: For program point L864-2(lines 864 877) no Hoare annotation was computed. [2021-10-28 09:43:08,894 INFO L853 garLoopResultBuilder]: At program point L864-3(lines 1 916) the Hoare annotation is: false [2021-10-28 09:43:08,894 INFO L857 garLoopResultBuilder]: For program point L864-4(lines 864 877) no Hoare annotation was computed. [2021-10-28 09:43:08,895 INFO L853 garLoopResultBuilder]: At program point L864-5(lines 1 916) the Hoare annotation is: false [2021-10-28 09:43:08,895 INFO L853 garLoopResultBuilder]: At program point L684(lines 637 685) the Hoare annotation is: false [2021-10-28 09:43:08,895 INFO L857 garLoopResultBuilder]: For program point L668(lines 668 679) no Hoare annotation was computed. [2021-10-28 09:43:08,895 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2021-10-28 09:43:08,895 INFO L860 garLoopResultBuilder]: At program point L239-1(lines 239 246) the Hoare annotation is: true [2021-10-28 09:43:08,895 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-10-28 09:43:08,895 INFO L857 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-10-28 09:43:08,895 INFO L857 garLoopResultBuilder]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2021-10-28 09:43:08,895 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:43:08,896 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-10-28 09:43:08,896 INFO L857 garLoopResultBuilder]: For program point L868(lines 868 874) no Hoare annotation was computed. [2021-10-28 09:43:08,896 INFO L857 garLoopResultBuilder]: For program point L868-2(lines 868 874) no Hoare annotation was computed. [2021-10-28 09:43:08,896 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 753) no Hoare annotation was computed. [2021-10-28 09:43:08,896 INFO L857 garLoopResultBuilder]: For program point L868-4(lines 868 874) no Hoare annotation was computed. [2021-10-28 09:43:08,896 INFO L857 garLoopResultBuilder]: For program point L736-1(lines 736 753) no Hoare annotation was computed. [2021-10-28 09:43:08,896 INFO L857 garLoopResultBuilder]: For program point L736-2(lines 736 753) no Hoare annotation was computed. [2021-10-28 09:43:08,897 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-10-28 09:43:08,897 INFO L853 garLoopResultBuilder]: At program point L704(lines 703 722) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1 (= ~pumpRunning~0 1)) (and .cse0 .cse2 .cse1 (= ~waterLevel~0 1)) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse1))) [2021-10-28 09:43:08,897 INFO L857 garLoopResultBuilder]: For program point L704-1(lines 704 710) no Hoare annotation was computed. [2021-10-28 09:43:08,897 INFO L853 garLoopResultBuilder]: At program point L704-2(lines 703 722) the Hoare annotation is: false [2021-10-28 09:43:08,897 INFO L853 garLoopResultBuilder]: At program point L704-3(lines 703 722) the Hoare annotation is: false [2021-10-28 09:43:08,897 INFO L857 garLoopResultBuilder]: For program point L639(lines 638 683) no Hoare annotation was computed. [2021-10-28 09:43:08,897 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:43:08,898 INFO L857 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2021-10-28 09:43:08,898 INFO L857 garLoopResultBuilder]: For program point L623-1(line 623) no Hoare annotation was computed. [2021-10-28 09:43:08,898 INFO L857 garLoopResultBuilder]: For program point L623-2(line 623) no Hoare annotation was computed. [2021-10-28 09:43:08,898 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2021-10-28 09:43:08,898 INFO L857 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2021-10-28 09:43:08,898 INFO L857 garLoopResultBuilder]: For program point L838-3(lines 838 842) no Hoare annotation was computed. [2021-10-28 09:43:08,898 INFO L857 garLoopResultBuilder]: For program point L838-5(lines 838 842) no Hoare annotation was computed. [2021-10-28 09:43:08,898 INFO L857 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-10-28 09:43:08,898 INFO L857 garLoopResultBuilder]: For program point L838-6(lines 838 842) no Hoare annotation was computed. [2021-10-28 09:43:08,899 INFO L857 garLoopResultBuilder]: For program point L838-8(lines 838 842) no Hoare annotation was computed. [2021-10-28 09:43:08,899 INFO L853 garLoopResultBuilder]: At program point L789(lines 784 792) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-28 09:43:08,899 INFO L853 garLoopResultBuilder]: At program point L789-1(lines 784 792) the Hoare annotation is: false [2021-10-28 09:43:08,899 INFO L853 garLoopResultBuilder]: At program point L789-2(lines 784 792) the Hoare annotation is: false [2021-10-28 09:43:08,899 INFO L853 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)))) [2021-10-28 09:43:08,899 INFO L853 garLoopResultBuilder]: At program point L145-1(lines 136 149) the Hoare annotation is: false [2021-10-28 09:43:08,900 INFO L853 garLoopResultBuilder]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2021-10-28 09:43:08,900 INFO L853 garLoopResultBuilder]: At program point L905(lines 1 916) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:43:08,900 INFO L857 garLoopResultBuilder]: For program point L740(lines 740 748) no Hoare annotation was computed. [2021-10-28 09:43:08,900 INFO L857 garLoopResultBuilder]: For program point L740-1(lines 740 748) no Hoare annotation was computed. [2021-10-28 09:43:08,900 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 678) no Hoare annotation was computed. [2021-10-28 09:43:08,900 INFO L857 garLoopResultBuilder]: For program point L740-2(lines 740 748) no Hoare annotation was computed. [2021-10-28 09:43:08,900 INFO L857 garLoopResultBuilder]: For program point L674-2(lines 704 710) no Hoare annotation was computed. [2021-10-28 09:43:08,900 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-10-28 09:43:08,901 INFO L857 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-10-28 09:43:08,901 INFO L857 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-10-28 09:43:08,901 INFO L853 garLoopResultBuilder]: At program point L212(lines 208 214) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:43:08,901 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 664) no Hoare annotation was computed. [2021-10-28 09:43:08,901 INFO L853 garLoopResultBuilder]: At program point L658-1(lines 658 664) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1 (= ~pumpRunning~0 1)) (and .cse0 .cse2 .cse1 (= ~waterLevel~0 1)) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse1))) [2021-10-28 09:43:08,901 INFO L853 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: false [2021-10-28 09:43:08,901 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-10-28 09:43:08,902 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:43:08,902 INFO L857 garLoopResultBuilder]: For program point L858(lines 858 878) no Hoare annotation was computed. [2021-10-28 09:43:08,902 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-10-28 09:43:08,902 INFO L857 garLoopResultBuilder]: For program point L858-2(lines 858 878) no Hoare annotation was computed. [2021-10-28 09:43:08,902 INFO L857 garLoopResultBuilder]: For program point L858-4(lines 858 878) no Hoare annotation was computed. [2021-10-28 09:43:08,902 INFO L853 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1 (= ~pumpRunning~0 1)) (and .cse0 (= ~pumpRunning~0 0) (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse1 (= |ULTIMATE.start_getWaterLevel_#res| 1) (= ~waterLevel~0 1)))) [2021-10-28 09:43:08,902 INFO L853 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-10-28 09:43:08,902 INFO L853 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-10-28 09:43:08,903 INFO L860 garLoopResultBuilder]: At program point L248(lines 229 251) the Hoare annotation is: true [2021-10-28 09:43:08,903 INFO L853 garLoopResultBuilder]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1 (= ~pumpRunning~0 1)) (and .cse0 (= ~pumpRunning~0 0) (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse1 (= ~waterLevel~0 1)))) [2021-10-28 09:43:08,903 INFO L853 garLoopResultBuilder]: At program point L711-1(lines 711 717) the Hoare annotation is: false [2021-10-28 09:43:08,903 INFO L853 garLoopResultBuilder]: At program point L711-2(lines 711 717) the Hoare annotation is: false [2021-10-28 09:43:08,903 INFO L853 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0) .cse1 (= ~pumpRunning~0 1)) (and .cse0 (= ~pumpRunning~0 0) (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse1 (= ~waterLevel~0 1)))) [2021-10-28 09:43:08,903 INFO L853 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-10-28 09:43:08,903 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-10-28 09:43:08,904 INFO L853 garLoopResultBuilder]: At program point L844(lines 829 847) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not .cse5) .cse3 (not .cse6) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (and .cse0 .cse6 .cse1 .cse5 .cse3 .cse4))) [2021-10-28 09:43:08,904 INFO L853 garLoopResultBuilder]: At program point L844-1(lines 829 847) the Hoare annotation is: false [2021-10-28 09:43:08,904 INFO L853 garLoopResultBuilder]: At program point L844-2(lines 829 847) the Hoare annotation is: false [2021-10-28 09:43:08,904 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-10-28 09:43:08,904 INFO L857 garLoopResultBuilder]: For program point L167-1(lines 704 710) no Hoare annotation was computed. [2021-10-28 09:43:08,908 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:43:08,909 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:43:08,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:43:08 BoogieIcfgContainer [2021-10-28 09:43:08,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:43:08,931 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:43:08,931 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:43:08,932 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:43:08,932 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:43:05" (3/4) ... [2021-10-28 09:43:08,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:43:08,951 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:43:08,952 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:43:08,953 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:43:08,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:43:08,954 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:43:08,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:43:08,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:43:08,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-10-28 09:43:08,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) [2021-10-28 09:43:08,984 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && 1 == systemActive) && waterLevel == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0)) || (((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-28 09:43:08,985 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && \result == 1) && pumpRunning == 1 [2021-10-28 09:43:09,020 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:43:09,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:43:09,023 INFO L168 Benchmark]: Toolchain (without parser) took 4802.33 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 72.8 MB in the beginning and 63.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:09,023 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 75.5 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:43:09,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.51 ms. Allocated memory is still 94.4 MB. Free memory was 72.8 MB in the beginning and 54.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:09,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.57 ms. Allocated memory is still 94.4 MB. Free memory was 54.5 MB in the beginning and 51.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:09,024 INFO L168 Benchmark]: Boogie Preprocessor took 70.12 ms. Allocated memory is still 94.4 MB. Free memory was 51.4 MB in the beginning and 70.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:09,024 INFO L168 Benchmark]: RCFGBuilder took 954.99 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 68.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:09,025 INFO L168 Benchmark]: TraceAbstraction took 3019.43 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 67.9 MB in the beginning and 70.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:09,025 INFO L168 Benchmark]: Witness Printer took 89.51 ms. Allocated memory is still 123.7 MB. Free memory was 70.6 MB in the beginning and 63.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:43:09,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 75.5 MB. Free memory is still 49.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 560.51 ms. Allocated memory is still 94.4 MB. Free memory was 72.8 MB in the beginning and 54.5 MB in the end (delta: 18.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.57 ms. Allocated memory is still 94.4 MB. Free memory was 54.5 MB in the beginning and 51.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.12 ms. Allocated memory is still 94.4 MB. Free memory was 51.4 MB in the beginning and 70.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 954.99 ms. Allocated memory is still 94.4 MB. Free memory was 70.9 MB in the beginning and 68.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 42.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3019.43 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 67.9 MB in the beginning and 70.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 66.0 MB. Max. memory is 16.1 GB. * Witness Printer took 89.51 ms. Allocated memory is still 123.7 MB. Free memory was 70.6 MB in the beginning and 63.3 MB in the end (delta: 7.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 623]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 623]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 623]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 742 SDtfs, 666 SDslu, 950 SDs, 0 SdLazy, 147 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=7, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 294 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 88 NumberOfFragments, 399 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4974 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 547 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 276 NumberOfCodeBlocks, 276 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 487 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && 1 == systemActive) && waterLevel == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 0)) || (((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && tmp == 0) && 1 == systemActive) && pumpRunning == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:43:09,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa0ebf44-7a30-4806-a15b-807f61b6fe1a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...