./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/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_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/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_fc09c429-7d73-4923-9876-a76051057f9a/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 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:59:45,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:59:45,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:59:45,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:59:45,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:59:45,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:59:45,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:59:45,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:59:45,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:59:45,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:59:45,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:59:45,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:59:45,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:59:45,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:59:45,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:59:45,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:59:45,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:59:45,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:59:45,674 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:59:45,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:59:45,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:59:45,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:59:45,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:59:45,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:59:45,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:59:45,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:59:45,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:59:45,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:59:45,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:59:45,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:59:45,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:59:45,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:59:45,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:59:45,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:59:45,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:59:45,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:59:45,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:59:45,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:59:45,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:59:45,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:59:45,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:59:45,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:59:45,756 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:59:45,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:59:45,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:59:45,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:59:45,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:59:45,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:59:45,761 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:59:45,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:59:45,762 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:59:45,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:59:45,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:59:45,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:59:45,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:59:45,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:59:45,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:59:45,765 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:59:45,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:59:45,766 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:59:45,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:59:45,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:59:45,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:59:45,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:59:45,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:59:45,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:59:45,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:59:45,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:59:45,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:59:45,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:59:45,769 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:59:45,771 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:59:45,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:59:45,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:59:45,772 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_fc09c429-7d73-4923-9876-a76051057f9a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 278b945680d29bf571e1aaa42d90b0a6b141ce129976e6e0985d57b09f7f9d7c [2021-10-28 08:59:46,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:59:46,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:59:46,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:59:46,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:59:46,112 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:59:46,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-28 08:59:46,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/data/587990c6a/8d2e0df57dbe4458a277d3a7962b56ae/FLAGc43886014 [2021-10-28 08:59:46,799 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:59:46,800 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c [2021-10-28 08:59:46,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/data/587990c6a/8d2e0df57dbe4458a277d3a7962b56ae/FLAGc43886014 [2021-10-28 08:59:47,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/data/587990c6a/8d2e0df57dbe4458a277d3a7962b56ae [2021-10-28 08:59:47,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:59:47,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:59:47,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:59:47,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:59:47,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:59:47,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:47,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f15bcc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47, skipping insertion in model container [2021-10-28 08:59:47,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:47,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:59:47,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:59:47,474 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_fc09c429-7d73-4923-9876-a76051057f9a/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6886,6899] [2021-10-28 08:59:47,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:59:47,619 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:59:47,659 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_fc09c429-7d73-4923-9876-a76051057f9a/sv-benchmarks/c/product-lines/minepump_spec5_product49.cil.c[6886,6899] [2021-10-28 08:59:47,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:59:47,773 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:59:47,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47 WrapperNode [2021-10-28 08:59:47,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:59:47,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:59:47,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:59:47,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:59:47,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:47,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:47,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:59:47,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:59:47,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:59:47,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:59:47,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:47,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:47,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:47,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:48,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:48,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:48,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:48,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:59:48,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:59:48,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:59:48,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:59:48,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (1/1) ... [2021-10-28 08:59:48,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:59:48,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:59:48,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:59:48,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:59:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:59:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:59:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:59:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:59:49,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:59:49,385 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2021-10-28 08:59:49,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:49 BoogieIcfgContainer [2021-10-28 08:59:49,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:59:49,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:59:49,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:59:49,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:59:49,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:59:47" (1/3) ... [2021-10-28 08:59:49,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d21e5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:59:49, skipping insertion in model container [2021-10-28 08:59:49,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:59:47" (2/3) ... [2021-10-28 08:59:49,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d21e5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:59:49, skipping insertion in model container [2021-10-28 08:59:49,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:49" (3/3) ... [2021-10-28 08:59:49,402 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2021-10-28 08:59:49,409 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:59:49,410 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 08:59:49,492 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:59:49,506 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 08:59:49,506 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:59:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:49,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 08:59:49,546 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:49,547 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 08:59:49,547 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 08:59:49,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:49,558 INFO L85 PathProgramCache]: Analyzing trace with hash -988495008, now seen corresponding path program 1 times [2021-10-28 08:59:49,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:49,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463295921] [2021-10-28 08:59:49,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:49,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:49,904 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 08:59:49,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:49,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463295921] [2021-10-28 08:59:49,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463295921] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:49,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:49,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:59:49,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37763727] [2021-10-28 08:59:49,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:59:49,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:49,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:59:49,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:59:49,936 INFO L87 Difference]: Start difference. First operand has 126 states, 122 states have (on average 1.5491803278688525) internal successors, (189), 125 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:49,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:49,994 INFO L93 Difference]: Finished difference Result 245 states and 370 transitions. [2021-10-28 08:59:49,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:59:49,996 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 08:59:49,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:50,013 INFO L225 Difference]: With dead ends: 245 [2021-10-28 08:59:50,013 INFO L226 Difference]: Without dead ends: 122 [2021-10-28 08:59:50,017 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 08:59:50,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2021-10-28 08:59:50,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2021-10-28 08:59:50,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 119 states have (on average 1.4873949579831933) internal successors, (177), 121 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 177 transitions. [2021-10-28 08:59:50,065 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 177 transitions. Word has length 19 [2021-10-28 08:59:50,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:50,066 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 177 transitions. [2021-10-28 08:59:50,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 177 transitions. [2021-10-28 08:59:50,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 08:59:50,068 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:50,069 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:50,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:59:50,069 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 08:59:50,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:50,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1803446273, now seen corresponding path program 1 times [2021-10-28 08:59:50,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:50,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284697150] [2021-10-28 08:59:50,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:50,072 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:50,313 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 08:59:50,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:50,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284697150] [2021-10-28 08:59:50,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284697150] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:50,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:50,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:59:50,315 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052206491] [2021-10-28 08:59:50,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:59:50,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:50,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:59:50,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:59:50,322 INFO L87 Difference]: Start difference. First operand 122 states and 177 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:50,338 INFO L93 Difference]: Finished difference Result 122 states and 177 transitions. [2021-10-28 08:59:50,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:59:50,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-28 08:59:50,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:50,341 INFO L225 Difference]: With dead ends: 122 [2021-10-28 08:59:50,341 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 08:59:50,342 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 08:59:50,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 08:59:50,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 08:59:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-28 08:59:50,351 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-28 08:59:50,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:50,352 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-28 08:59:50,352 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,352 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-28 08:59:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 08:59:50,354 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:50,354 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:50,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:59:50,355 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 08:59:50,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:50,356 INFO L85 PathProgramCache]: Analyzing trace with hash -842309608, now seen corresponding path program 1 times [2021-10-28 08:59:50,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:50,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117808874] [2021-10-28 08:59:50,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:50,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:50,440 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 08:59:50,441 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:50,441 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117808874] [2021-10-28 08:59:50,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117808874] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:50,442 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:50,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:59:50,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949527742] [2021-10-28 08:59:50,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:59:50,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:50,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:59:50,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:59:50,445 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:50,463 INFO L93 Difference]: Finished difference Result 95 states and 139 transitions. [2021-10-28 08:59:50,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:59:50,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 08:59:50,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:50,468 INFO L225 Difference]: With dead ends: 95 [2021-10-28 08:59:50,470 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 08:59:50,471 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 08:59:50,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 08:59:50,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 08:59:50,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2021-10-28 08:59:50,491 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 26 [2021-10-28 08:59:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:50,492 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2021-10-28 08:59:50,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2021-10-28 08:59:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 08:59:50,496 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:50,497 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:50,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:59:50,497 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 08:59:50,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:50,499 INFO L85 PathProgramCache]: Analyzing trace with hash 674402038, now seen corresponding path program 1 times [2021-10-28 08:59:50,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:50,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274401737] [2021-10-28 08:59:50,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:50,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:50,596 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 08:59:50,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:50,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274401737] [2021-10-28 08:59:50,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274401737] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:50,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:50,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:59:50,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130164569] [2021-10-28 08:59:50,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:59:50,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:50,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:59:50,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:59:50,600 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:50,651 INFO L93 Difference]: Finished difference Result 119 states and 171 transitions. [2021-10-28 08:59:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:59:50,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-28 08:59:50,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:50,654 INFO L225 Difference]: With dead ends: 119 [2021-10-28 08:59:50,657 INFO L226 Difference]: Without dead ends: 75 [2021-10-28 08:59:50,658 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 08:59:50,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-28 08:59:50,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2021-10-28 08:59:50,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 72 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2021-10-28 08:59:50,672 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 28 [2021-10-28 08:59:50,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:50,672 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2021-10-28 08:59:50,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,673 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2021-10-28 08:59:50,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:59:50,674 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:50,674 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:50,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:59:50,675 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 08:59:50,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:50,676 INFO L85 PathProgramCache]: Analyzing trace with hash 950754951, now seen corresponding path program 1 times [2021-10-28 08:59:50,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:50,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081212273] [2021-10-28 08:59:50,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:50,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:50,775 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 08:59:50,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:50,776 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081212273] [2021-10-28 08:59:50,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081212273] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:50,777 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:50,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:59:50,777 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694499772] [2021-10-28 08:59:50,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 08:59:50,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:50,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 08:59:50,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 08:59:50,779 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:50,831 INFO L93 Difference]: Finished difference Result 203 states and 288 transitions. [2021-10-28 08:59:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 08:59:50,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:59:50,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:50,834 INFO L225 Difference]: With dead ends: 203 [2021-10-28 08:59:50,834 INFO L226 Difference]: Without dead ends: 137 [2021-10-28 08:59:50,835 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 08:59:50,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-28 08:59:50,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 77. [2021-10-28 08:59:50,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.394736842105263) internal successors, (106), 76 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 106 transitions. [2021-10-28 08:59:50,850 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 106 transitions. Word has length 34 [2021-10-28 08:59:50,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:50,850 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 106 transitions. [2021-10-28 08:59:50,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:50,851 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 106 transitions. [2021-10-28 08:59:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:59:50,853 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:50,853 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:50,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:59:50,854 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 08:59:50,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:50,854 INFO L85 PathProgramCache]: Analyzing trace with hash 249690373, now seen corresponding path program 1 times [2021-10-28 08:59:50,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:50,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15222697] [2021-10-28 08:59:50,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:50,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:50,989 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 08:59:50,990 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:50,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15222697] [2021-10-28 08:59:50,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15222697] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:50,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:50,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:59:50,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216062575] [2021-10-28 08:59:50,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:59:50,993 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:50,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:59:50,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:59:50,994 INFO L87 Difference]: Start difference. First operand 77 states and 106 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:51,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:51,082 INFO L93 Difference]: Finished difference Result 202 states and 278 transitions. [2021-10-28 08:59:51,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:59:51,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:59:51,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:51,085 INFO L225 Difference]: With dead ends: 202 [2021-10-28 08:59:51,085 INFO L226 Difference]: Without dead ends: 132 [2021-10-28 08:59:51,086 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 08:59:51,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-28 08:59:51,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 83. [2021-10-28 08:59:51,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 82 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 112 transitions. [2021-10-28 08:59:51,111 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 112 transitions. Word has length 34 [2021-10-28 08:59:51,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:51,112 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 112 transitions. [2021-10-28 08:59:51,112 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:51,112 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 112 transitions. [2021-10-28 08:59:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:59:51,113 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:51,113 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:51,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:59:51,114 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 08:59:51,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:51,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1183154082, now seen corresponding path program 1 times [2021-10-28 08:59:51,115 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:51,115 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582126089] [2021-10-28 08:59:51,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:51,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:51,229 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 08:59:51,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:51,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582126089] [2021-10-28 08:59:51,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582126089] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:51,232 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:51,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:59:51,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019678917] [2021-10-28 08:59:51,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:59:51,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:51,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:59:51,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:59:51,235 INFO L87 Difference]: Start difference. First operand 83 states and 112 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:51,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:51,375 INFO L93 Difference]: Finished difference Result 282 states and 383 transitions. [2021-10-28 08:59:51,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:59:51,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:59:51,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:51,379 INFO L225 Difference]: With dead ends: 282 [2021-10-28 08:59:51,379 INFO L226 Difference]: Without dead ends: 206 [2021-10-28 08:59:51,380 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:59:51,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2021-10-28 08:59:51,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 82. [2021-10-28 08:59:51,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:51,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 109 transitions. [2021-10-28 08:59:51,397 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 109 transitions. Word has length 34 [2021-10-28 08:59:51,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:51,398 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 109 transitions. [2021-10-28 08:59:51,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 109 transitions. [2021-10-28 08:59:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:59:51,399 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:51,400 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:51,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:59:51,400 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 08:59:51,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:51,401 INFO L85 PathProgramCache]: Analyzing trace with hash 363948937, now seen corresponding path program 1 times [2021-10-28 08:59:51,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:51,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548348363] [2021-10-28 08:59:51,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:51,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:51,463 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 08:59:51,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:51,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548348363] [2021-10-28 08:59:51,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548348363] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:51,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:51,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:59:51,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010103359] [2021-10-28 08:59:51,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:59:51,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:51,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:59:51,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:59:51,469 INFO L87 Difference]: Start difference. First operand 82 states and 109 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:51,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:51,512 INFO L93 Difference]: Finished difference Result 185 states and 247 transitions. [2021-10-28 08:59:51,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:59:51,513 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 08:59:51,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:51,515 INFO L225 Difference]: With dead ends: 185 [2021-10-28 08:59:51,515 INFO L226 Difference]: Without dead ends: 110 [2021-10-28 08:59:51,518 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 08:59:51,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-10-28 08:59:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2021-10-28 08:59:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 109 states have (on average 1.311926605504587) internal successors, (143), 109 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:51,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 143 transitions. [2021-10-28 08:59:51,545 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 143 transitions. Word has length 34 [2021-10-28 08:59:51,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:51,545 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 143 transitions. [2021-10-28 08:59:51,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 143 transitions. [2021-10-28 08:59:51,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 08:59:51,556 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:51,557 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:51,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:59:51,558 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 08:59:51,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:51,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1031997239, now seen corresponding path program 1 times [2021-10-28 08:59:51,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:51,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227379674] [2021-10-28 08:59:51,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:51,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:51,753 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 08:59:51,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:51,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227379674] [2021-10-28 08:59:51,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227379674] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:59:51,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:59:51,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:59:51,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974638643] [2021-10-28 08:59:51,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:59:51,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:51,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:59:51,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:59:51,760 INFO L87 Difference]: Start difference. First operand 110 states and 143 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:52,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:52,120 INFO L93 Difference]: Finished difference Result 524 states and 703 transitions. [2021-10-28 08:59:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 08:59:52,121 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-28 08:59:52,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:52,125 INFO L225 Difference]: With dead ends: 524 [2021-10-28 08:59:52,125 INFO L226 Difference]: Without dead ends: 449 [2021-10-28 08:59:52,132 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-28 08:59:52,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2021-10-28 08:59:52,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 190. [2021-10-28 08:59:52,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.306878306878307) internal successors, (247), 189 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 247 transitions. [2021-10-28 08:59:52,179 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 247 transitions. Word has length 35 [2021-10-28 08:59:52,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:52,182 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 247 transitions. [2021-10-28 08:59:52,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:59:52,182 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 247 transitions. [2021-10-28 08:59:52,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 08:59:52,191 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:59:52,192 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:52,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 08:59:52,193 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 08:59:52,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:59:52,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1199602114, now seen corresponding path program 1 times [2021-10-28 08:59:52,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:59:52,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997432592] [2021-10-28 08:59:52,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:52,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:59:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:52,306 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:59:52,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:59:52,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997432592] [2021-10-28 08:59:52,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997432592] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:59:52,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104551982] [2021-10-28 08:59:52,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:59:52,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:59:52,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:59:52,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 08:59:52,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 08:59:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:59:52,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 08:59:52,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:59:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:59:52,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104551982] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 08:59:52,817 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 08:59:52,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 08:59:52,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614663981] [2021-10-28 08:59:52,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 08:59:52,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:59:52,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 08:59:52,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 08:59:52,827 INFO L87 Difference]: Start difference. First operand 190 states and 247 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 08:59:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:59:53,166 INFO L93 Difference]: Finished difference Result 434 states and 582 transitions. [2021-10-28 08:59:53,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:59:53,166 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 08:59:53,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:59:53,170 INFO L225 Difference]: With dead ends: 434 [2021-10-28 08:59:53,170 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:59:53,171 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 08:59:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:59:53,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:59:53,172 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 08:59:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:59:53,172 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-28 08:59:53,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:59:53,173 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:59:53,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 8 states have internal predecessors, (88), 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 08:59:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:59:53,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:59:53,176 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:59:53,177 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:59:53,177 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:59:53,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:59:53,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 08:59:53,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:59:53,404 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,477 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,554 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,667 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,668 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:53,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:54,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:54,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:54,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:54,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:59:55,837 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 438) no Hoare annotation was computed. [2021-10-28 08:59:55,837 INFO L853 garLoopResultBuilder]: At program point L961(lines 72 78) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 08:59:55,837 INFO L853 garLoopResultBuilder]: At program point L961-1(lines 72 78) the Hoare annotation is: false [2021-10-28 08:59:55,838 INFO L853 garLoopResultBuilder]: At program point L961-2(lines 72 78) the Hoare annotation is: false [2021-10-28 08:59:55,838 INFO L853 garLoopResultBuilder]: At program point L566(lines 1 992) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:59:55,838 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 121) no Hoare annotation was computed. [2021-10-28 08:59:55,838 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 104 121) no Hoare annotation was computed. [2021-10-28 08:59:55,838 INFO L857 garLoopResultBuilder]: For program point L104-2(lines 104 121) no Hoare annotation was computed. [2021-10-28 08:59:55,838 INFO L857 garLoopResultBuilder]: For program point L104-3(lines 104 121) no Hoare annotation was computed. [2021-10-28 08:59:55,838 INFO L857 garLoopResultBuilder]: For program point L104-4(lines 104 121) no Hoare annotation was computed. [2021-10-28 08:59:55,839 INFO L857 garLoopResultBuilder]: For program point L104-5(lines 104 121) no Hoare annotation was computed. [2021-10-28 08:59:55,839 INFO L853 garLoopResultBuilder]: At program point L72(lines 68 90) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 08:59:55,839 INFO L853 garLoopResultBuilder]: At program point L72-1(lines 68 90) the Hoare annotation is: false [2021-10-28 08:59:55,839 INFO L853 garLoopResultBuilder]: At program point L72-2(lines 68 90) the Hoare annotation is: false [2021-10-28 08:59:55,839 INFO L853 garLoopResultBuilder]: At program point L502(lines 498 504) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:59:55,839 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 341) no Hoare annotation was computed. [2021-10-28 08:59:55,840 INFO L853 garLoopResultBuilder]: At program point L238(lines 223 241) the Hoare annotation is: false [2021-10-28 08:59:55,840 INFO L857 garLoopResultBuilder]: For program point L337-3(lines 337 341) no Hoare annotation was computed. [2021-10-28 08:59:55,840 INFO L853 garLoopResultBuilder]: At program point L238-1(lines 223 241) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-28 08:59:55,840 INFO L853 garLoopResultBuilder]: At program point L238-2(lines 223 241) the Hoare annotation is: false [2021-10-28 08:59:55,840 INFO L853 garLoopResultBuilder]: At program point L238-3(lines 223 241) the Hoare annotation is: false [2021-10-28 08:59:55,840 INFO L857 garLoopResultBuilder]: For program point L337-6(lines 337 341) no Hoare annotation was computed. [2021-10-28 08:59:55,841 INFO L853 garLoopResultBuilder]: At program point L238-4(lines 223 241) the Hoare annotation is: false [2021-10-28 08:59:55,841 INFO L853 garLoopResultBuilder]: At program point L238-5(lines 223 241) the Hoare annotation is: false [2021-10-28 08:59:55,841 INFO L857 garLoopResultBuilder]: For program point L305(lines 305 316) no Hoare annotation was computed. [2021-10-28 08:59:55,841 INFO L857 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-10-28 08:59:55,841 INFO L857 garLoopResultBuilder]: For program point L438-1(line 438) no Hoare annotation was computed. [2021-10-28 08:59:55,841 INFO L857 garLoopResultBuilder]: For program point L438-2(line 438) no Hoare annotation was computed. [2021-10-28 08:59:55,842 INFO L857 garLoopResultBuilder]: For program point L108(lines 108 116) no Hoare annotation was computed. [2021-10-28 08:59:55,842 INFO L857 garLoopResultBuilder]: For program point L108-1(lines 108 116) no Hoare annotation was computed. [2021-10-28 08:59:55,842 INFO L857 garLoopResultBuilder]: For program point L108-2(lines 108 116) no Hoare annotation was computed. [2021-10-28 08:59:55,842 INFO L857 garLoopResultBuilder]: For program point L108-3(lines 108 116) no Hoare annotation was computed. [2021-10-28 08:59:55,842 INFO L857 garLoopResultBuilder]: For program point L108-4(lines 108 116) no Hoare annotation was computed. [2021-10-28 08:59:55,842 INFO L857 garLoopResultBuilder]: For program point L108-5(lines 108 116) no Hoare annotation was computed. [2021-10-28 08:59:55,842 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 438) no Hoare annotation was computed. [2021-10-28 08:59:55,843 INFO L853 garLoopResultBuilder]: At program point L406(lines 401 409) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2021-10-28 08:59:55,843 INFO L853 garLoopResultBuilder]: At program point L406-1(lines 401 409) the Hoare annotation is: false [2021-10-28 08:59:55,843 INFO L853 garLoopResultBuilder]: At program point L406-2(lines 401 409) the Hoare annotation is: false [2021-10-28 08:59:55,843 INFO L860 garLoopResultBuilder]: At program point L539(lines 520 542) the Hoare annotation is: true [2021-10-28 08:59:55,843 INFO L857 garLoopResultBuilder]: For program point L276(lines 275 320) no Hoare annotation was computed. [2021-10-28 08:59:55,844 INFO L853 garLoopResultBuilder]: At program point L574(lines 569 577) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:59:55,844 INFO L857 garLoopResultBuilder]: For program point L277(lines 277 281) no Hoare annotation was computed. [2021-10-28 08:59:55,844 INFO L853 garLoopResultBuilder]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-10-28 08:59:55,844 INFO L853 garLoopResultBuilder]: At program point L79-1(lines 79 85) the Hoare annotation is: false [2021-10-28 08:59:55,844 INFO L853 garLoopResultBuilder]: At program point L79-2(lines 79 85) the Hoare annotation is: false [2021-10-28 08:59:55,844 INFO L857 garLoopResultBuilder]: For program point L311(lines 311 315) no Hoare annotation was computed. [2021-10-28 08:59:55,845 INFO L857 garLoopResultBuilder]: For program point L311-2(lines 305 316) no Hoare annotation was computed. [2021-10-28 08:59:55,845 INFO L857 garLoopResultBuilder]: For program point L972(lines 972 989) no Hoare annotation was computed. [2021-10-28 08:59:55,845 INFO L853 garLoopResultBuilder]: At program point L972-1(lines 1 992) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= 2 ~waterLevel~0) .cse1 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2021-10-28 08:59:55,845 INFO L857 garLoopResultBuilder]: For program point L972-2(lines 972 989) no Hoare annotation was computed. [2021-10-28 08:59:55,845 INFO L853 garLoopResultBuilder]: At program point L972-3(lines 1 992) the Hoare annotation is: false [2021-10-28 08:59:55,845 INFO L857 garLoopResultBuilder]: For program point L972-4(lines 972 989) no Hoare annotation was computed. [2021-10-28 08:59:55,845 INFO L853 garLoopResultBuilder]: At program point L972-5(lines 1 992) the Hoare annotation is: false [2021-10-28 08:59:55,846 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 420) no Hoare annotation was computed. [2021-10-28 08:59:55,846 INFO L857 garLoopResultBuilder]: For program point L414-1(lines 414 420) no Hoare annotation was computed. [2021-10-28 08:59:55,846 INFO L857 garLoopResultBuilder]: For program point L414-2(lines 414 420) no Hoare annotation was computed. [2021-10-28 08:59:55,846 INFO L857 garLoopResultBuilder]: For program point L414-3(lines 414 420) no Hoare annotation was computed. [2021-10-28 08:59:55,846 INFO L857 garLoopResultBuilder]: For program point L414-4(lines 414 420) no Hoare annotation was computed. [2021-10-28 08:59:55,846 INFO L857 garLoopResultBuilder]: For program point L414-5(lines 414 420) no Hoare annotation was computed. [2021-10-28 08:59:55,846 INFO L853 garLoopResultBuilder]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2021-10-28 08:59:55,847 INFO L853 garLoopResultBuilder]: At program point L183-1(lines 178 186) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 08:59:55,847 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 178 186) the Hoare annotation is: false [2021-10-28 08:59:55,847 INFO L853 garLoopResultBuilder]: At program point L183-3(lines 178 186) the Hoare annotation is: false [2021-10-28 08:59:55,847 INFO L853 garLoopResultBuilder]: At program point L183-4(lines 178 186) the Hoare annotation is: false [2021-10-28 08:59:55,847 INFO L853 garLoopResultBuilder]: At program point L183-5(lines 178 186) the Hoare annotation is: false [2021-10-28 08:59:55,847 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 986) no Hoare annotation was computed. [2021-10-28 08:59:55,848 INFO L857 garLoopResultBuilder]: For program point L976-2(lines 976 986) no Hoare annotation was computed. [2021-10-28 08:59:55,848 INFO L857 garLoopResultBuilder]: For program point L976-4(lines 976 986) no Hoare annotation was computed. [2021-10-28 08:59:55,848 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 353) no Hoare annotation was computed. [2021-10-28 08:59:55,848 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 983) no Hoare annotation was computed. [2021-10-28 08:59:55,848 INFO L857 garLoopResultBuilder]: For program point L977-2(lines 977 983) no Hoare annotation was computed. [2021-10-28 08:59:55,848 INFO L857 garLoopResultBuilder]: For program point L977-4(lines 977 983) no Hoare annotation was computed. [2021-10-28 08:59:55,848 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:59:55,849 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 255) no Hoare annotation was computed. [2021-10-28 08:59:55,849 INFO L857 garLoopResultBuilder]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2021-10-28 08:59:55,849 INFO L857 garLoopResultBuilder]: For program point L251-3(lines 251 255) no Hoare annotation was computed. [2021-10-28 08:59:55,849 INFO L857 garLoopResultBuilder]: For program point L251-5(lines 251 255) no Hoare annotation was computed. [2021-10-28 08:59:55,849 INFO L857 garLoopResultBuilder]: For program point L251-6(lines 251 255) no Hoare annotation was computed. [2021-10-28 08:59:55,849 INFO L857 garLoopResultBuilder]: For program point L251-8(lines 251 255) no Hoare annotation was computed. [2021-10-28 08:59:55,850 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2021-10-28 08:59:55,850 INFO L853 garLoopResultBuilder]: At program point L285-1(lines 285 291) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-10-28 08:59:55,850 INFO L853 garLoopResultBuilder]: At program point L419(lines 410 423) the Hoare annotation is: false [2021-10-28 08:59:55,850 INFO L853 garLoopResultBuilder]: At program point L419-1(lines 410 423) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3))) [2021-10-28 08:59:55,850 INFO L853 garLoopResultBuilder]: At program point L419-2(lines 410 423) the Hoare annotation is: false [2021-10-28 08:59:55,850 INFO L853 garLoopResultBuilder]: At program point L419-3(lines 410 423) the Hoare annotation is: false [2021-10-28 08:59:55,851 INFO L853 garLoopResultBuilder]: At program point L419-4(lines 410 423) the Hoare annotation is: false [2021-10-28 08:59:55,851 INFO L853 garLoopResultBuilder]: At program point L419-5(lines 410 423) the Hoare annotation is: false [2021-10-28 08:59:55,851 INFO L853 garLoopResultBuilder]: At program point L321(lines 274 322) the Hoare annotation is: false [2021-10-28 08:59:55,851 INFO L853 garLoopResultBuilder]: At program point L454-2(lines 454 468) the Hoare annotation is: false [2021-10-28 08:59:55,851 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:59:55,851 INFO L857 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-10-28 08:59:55,852 INFO L853 garLoopResultBuilder]: At program point L257(lines 242 260) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-28 08:59:55,852 INFO L853 garLoopResultBuilder]: At program point L257-1(lines 242 260) the Hoare annotation is: false [2021-10-28 08:59:55,852 INFO L853 garLoopResultBuilder]: At program point L257-2(lines 242 260) the Hoare annotation is: false [2021-10-28 08:59:55,852 INFO L853 garLoopResultBuilder]: At program point L951(lines 946 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 08:59:55,852 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:59:55,852 INFO L857 garLoopResultBuilder]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-28 08:59:55,853 INFO L857 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2021-10-28 08:59:55,853 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2021-10-28 08:59:55,853 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 301) no Hoare annotation was computed. [2021-10-28 08:59:55,853 INFO L853 garLoopResultBuilder]: At program point L295-1(lines 295 301) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-10-28 08:59:55,853 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 147) no Hoare annotation was computed. [2021-10-28 08:59:55,853 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 130 147) no Hoare annotation was computed. [2021-10-28 08:59:55,853 INFO L857 garLoopResultBuilder]: For program point L130-2(lines 130 147) no Hoare annotation was computed. [2021-10-28 08:59:55,854 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:59:55,854 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 438) no Hoare annotation was computed. [2021-10-28 08:59:55,854 INFO L853 garLoopResultBuilder]: At program point L429(lines 424 432) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-28 08:59:55,854 INFO L853 garLoopResultBuilder]: At program point L429-1(lines 424 432) the Hoare annotation is: false [2021-10-28 08:59:55,854 INFO L853 garLoopResultBuilder]: At program point L429-2(lines 424 432) the Hoare annotation is: false [2021-10-28 08:59:55,854 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,855 INFO L857 garLoopResultBuilder]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,855 INFO L857 garLoopResultBuilder]: For program point L232-3(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,855 INFO L857 garLoopResultBuilder]: For program point L232-5(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,855 INFO L857 garLoopResultBuilder]: For program point L232-6(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,855 INFO L857 garLoopResultBuilder]: For program point L232-8(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,855 INFO L857 garLoopResultBuilder]: For program point L232-9(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,855 INFO L857 garLoopResultBuilder]: For program point L232-11(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,856 INFO L857 garLoopResultBuilder]: For program point L232-12(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,856 INFO L857 garLoopResultBuilder]: For program point L232-14(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,856 INFO L857 garLoopResultBuilder]: For program point L232-15(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,856 INFO L857 garLoopResultBuilder]: For program point L232-17(lines 232 236) no Hoare annotation was computed. [2021-10-28 08:59:55,856 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 537) no Hoare annotation was computed. [2021-10-28 08:59:55,856 INFO L860 garLoopResultBuilder]: At program point L530-1(lines 530 537) the Hoare annotation is: true [2021-10-28 08:59:55,856 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 142) no Hoare annotation was computed. [2021-10-28 08:59:55,857 INFO L857 garLoopResultBuilder]: For program point L134-1(lines 134 142) no Hoare annotation was computed. [2021-10-28 08:59:55,857 INFO L857 garLoopResultBuilder]: For program point L134-2(lines 134 142) no Hoare annotation was computed. [2021-10-28 08:59:55,860 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:59:55,862 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:59:55,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:59:55 BoogieIcfgContainer [2021-10-28 08:59:55,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:59:55,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:59:55,893 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:59:55,893 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:59:55,893 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:59:49" (3/4) ... [2021-10-28 08:59:55,897 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:59:55,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 08:59:55,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 08:59:55,924 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 08:59:55,925 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 08:59:55,927 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 08:59:55,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:59:55,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:59:55,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && 1 < tmp) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && tmp <= 2) && 2 <= \result) && pumpRunning == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:59:55,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 08:59:55,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 08:59:55,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:59:55,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:59:55,962 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:59:55,963 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 08:59:55,964 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:59:55,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-28 08:59:55,966 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 08:59:55,966 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 08:59:55,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-28 08:59:55,967 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 08:59:56,028 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:59:56,028 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:59:56,030 INFO L168 Benchmark]: Toolchain (without parser) took 8915.52 ms. Allocated memory was 100.7 MB in the beginning and 148.9 MB in the end (delta: 48.2 MB). Free memory was 68.1 MB in the beginning and 63.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 55.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:56,030 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:59:56,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.56 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 67.9 MB in the beginning and 88.4 MB in the end (delta: -20.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:56,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.49 ms. Allocated memory is still 121.6 MB. Free memory was 88.4 MB in the beginning and 84.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:56,032 INFO L168 Benchmark]: Boogie Preprocessor took 145.12 ms. Allocated memory is still 121.6 MB. Free memory was 84.4 MB in the beginning and 81.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:56,032 INFO L168 Benchmark]: RCFGBuilder took 1329.15 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 80.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:56,032 INFO L168 Benchmark]: TraceAbstraction took 6502.39 ms. Allocated memory was 121.6 MB in the beginning and 148.9 MB in the end (delta: 27.3 MB). Free memory was 79.6 MB in the beginning and 73.5 MB in the end (delta: 6.2 MB). Peak memory consumption was 69.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:56,033 INFO L168 Benchmark]: Witness Printer took 135.74 ms. Allocated memory is still 148.9 MB. Free memory was 73.5 MB in the beginning and 63.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:59:56,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 55.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 659.56 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 67.9 MB in the beginning and 88.4 MB in the end (delta: -20.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 135.49 ms. Allocated memory is still 121.6 MB. Free memory was 88.4 MB in the beginning and 84.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 145.12 ms. Allocated memory is still 121.6 MB. Free memory was 84.4 MB in the beginning and 81.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1329.15 ms. Allocated memory is still 121.6 MB. Free memory was 81.7 MB in the beginning and 80.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6502.39 ms. Allocated memory was 121.6 MB in the beginning and 148.9 MB in the end (delta: 27.3 MB). Free memory was 79.6 MB in the beginning and 73.5 MB in the end (delta: 6.2 MB). Peak memory consumption was 69.0 MB. Max. memory is 16.1 GB. * Witness Printer took 135.74 ms. Allocated memory is still 148.9 MB. Free memory was 73.5 MB in the beginning and 63.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 438]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 438]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 438]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1048 SDtfs, 1175 SDslu, 1489 SDs, 0 SdLazy, 257 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=9, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 494 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 141 NumberOfFragments, 602 HoareAnnotationTreeSize, 49 FomulaSimplifications, 25724 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 49 FomulaSimplificationsInter, 13294 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 380 NumberOfCodeBlocks, 380 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 369 ConstructedInterpolants, 0 QuantifiedInterpolants, 771 SizeOfPredicates, 3 NumberOfNonLiveVariables, 443 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 946]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && 1 < tmp) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && tmp <= 2) && 2 <= \result) && pumpRunning == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 08:59:56,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc09c429-7d73-4923-9876-a76051057f9a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...