./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label59.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem01_label59.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 c7803525370200aabfab7aff9768b555209ce32125d445cdaf8def0c5a28cd1e --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 22:04:17,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 22:04:17,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 22:04:17,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 22:04:17,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 22:04:17,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 22:04:17,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 22:04:17,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 22:04:17,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 22:04:17,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 22:04:17,702 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 22:04:17,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 22:04:17,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 22:04:17,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 22:04:17,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 22:04:17,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 22:04:17,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 22:04:17,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 22:04:17,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 22:04:17,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 22:04:17,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 22:04:17,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 22:04:17,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 22:04:17,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 22:04:17,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 22:04:17,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 22:04:17,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 22:04:17,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 22:04:17,739 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 22:04:17,740 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 22:04:17,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 22:04:17,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 22:04:17,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 22:04:17,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 22:04:17,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 22:04:17,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 22:04:17,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 22:04:17,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 22:04:17,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 22:04:17,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 22:04:17,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 22:04:17,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 22:04:17,771 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 22:04:17,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 22:04:17,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 22:04:17,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 22:04:17,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 22:04:17,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 22:04:17,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 22:04:17,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 22:04:17,773 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 22:04:17,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 22:04:17,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 22:04:17,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 22:04:17,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 22:04:17,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 22:04:17,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 22:04:17,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 22:04:17,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 22:04:17,774 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 22:04:17,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 22:04:17,775 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 22:04:17,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 22:04:17,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 22:04:17,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 22:04:17,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 22:04:17,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:04:17,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 22:04:17,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 22:04:17,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 22:04:17,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 22:04:17,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 22:04:17,777 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 22:04:17,777 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 22:04:17,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 22:04:17,777 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 22:04:17,777 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7803525370200aabfab7aff9768b555209ce32125d445cdaf8def0c5a28cd1e [2021-12-15 22:04:17,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 22:04:17,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 22:04:17,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 22:04:17,973 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 22:04:17,973 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 22:04:17,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2021-12-15 22:04:18,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/886d7e0d9/efe71f9173474856acca2c76c538eece/FLAGc8e570a09 [2021-12-15 22:04:18,467 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 22:04:18,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label59.c [2021-12-15 22:04:18,476 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/886d7e0d9/efe71f9173474856acca2c76c538eece/FLAGc8e570a09 [2021-12-15 22:04:18,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/886d7e0d9/efe71f9173474856acca2c76c538eece [2021-12-15 22:04:18,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 22:04:18,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 22:04:18,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 22:04:18,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 22:04:18,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 22:04:18,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:18,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155882e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18, skipping insertion in model container [2021-12-15 22:04:18,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:18,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 22:04:18,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 22:04:18,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label59.c[16624,16637] [2021-12-15 22:04:18,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:04:18,815 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 22:04:18,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label59.c[16624,16637] [2021-12-15 22:04:18,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 22:04:18,905 INFO L208 MainTranslator]: Completed translation [2021-12-15 22:04:18,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18 WrapperNode [2021-12-15 22:04:18,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 22:04:18,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 22:04:18,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 22:04:18,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 22:04:18,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:18,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:18,985 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-12-15 22:04:18,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 22:04:18,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 22:04:18,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 22:04:18,989 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 22:04:18,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:18,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:18,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:18,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:19,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:19,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:19,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:19,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 22:04:19,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 22:04:19,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 22:04:19,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 22:04:19,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (1/1) ... [2021-12-15 22:04:19,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 22:04:19,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:04:19,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 22:04:19,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 22:04:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 22:04:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 22:04:19,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 22:04:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 22:04:19,164 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 22:04:19,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 22:04:19,851 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 22:04:19,857 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 22:04:19,858 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 22:04:19,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:04:19 BoogieIcfgContainer [2021-12-15 22:04:19,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 22:04:19,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 22:04:19,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 22:04:19,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 22:04:19,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:04:18" (1/3) ... [2021-12-15 22:04:19,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a2e7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:04:19, skipping insertion in model container [2021-12-15 22:04:19,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:04:18" (2/3) ... [2021-12-15 22:04:19,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a2e7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:04:19, skipping insertion in model container [2021-12-15 22:04:19,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:04:19" (3/3) ... [2021-12-15 22:04:19,869 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label59.c [2021-12-15 22:04:19,873 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 22:04:19,873 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 22:04:19,905 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 22:04:19,909 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 [2021-12-15 22:04:19,909 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 22:04:19,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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) [2021-12-15 22:04:19,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-15 22:04:19,927 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:19,928 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:19,928 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:19,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:19,932 INFO L85 PathProgramCache]: Analyzing trace with hash 806224438, now seen corresponding path program 1 times [2021-12-15 22:04:19,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:19,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198821218] [2021-12-15 22:04:19,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:19,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:04:20,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:20,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198821218] [2021-12-15 22:04:20,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198821218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:20,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:04:20,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:04:20,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527683152] [2021-12-15 22:04:20,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:20,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:04:20,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:20,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:04:20,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:04:20,241 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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) [2021-12-15 22:04:20,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:20,833 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2021-12-15 22:04:20,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:04:20,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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 89 [2021-12-15 22:04:20,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:20,843 INFO L225 Difference]: With dead ends: 528 [2021-12-15 22:04:20,843 INFO L226 Difference]: Without dead ends: 266 [2021-12-15 22:04:20,845 INFO L932 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 [2021-12-15 22:04:20,848 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 99 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:20,848 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 51 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 22:04:20,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-12-15 22:04:20,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-12-15 22:04:20,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4566037735849056) internal successors, (386), 265 states have internal predecessors, (386), 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) [2021-12-15 22:04:20,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 386 transitions. [2021-12-15 22:04:20,880 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 386 transitions. Word has length 89 [2021-12-15 22:04:20,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:20,881 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 386 transitions. [2021-12-15 22:04:20,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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) [2021-12-15 22:04:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 386 transitions. [2021-12-15 22:04:20,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-15 22:04:20,883 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:20,883 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:20,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 22:04:20,884 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:20,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:20,884 INFO L85 PathProgramCache]: Analyzing trace with hash -802111485, now seen corresponding path program 1 times [2021-12-15 22:04:20,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:20,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245508510] [2021-12-15 22:04:20,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:20,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:20,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:04:20,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:20,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245508510] [2021-12-15 22:04:20,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245508510] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:20,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:04:20,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:04:20,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815544232] [2021-12-15 22:04:20,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:20,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:04:20,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:20,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:04:20,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:04:20,945 INFO L87 Difference]: Start difference. First operand 266 states and 386 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 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) [2021-12-15 22:04:21,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:21,284 INFO L93 Difference]: Finished difference Result 661 states and 955 transitions. [2021-12-15 22:04:21,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:04:21,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 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 95 [2021-12-15 22:04:21,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:21,286 INFO L225 Difference]: With dead ends: 661 [2021-12-15 22:04:21,286 INFO L226 Difference]: Without dead ends: 397 [2021-12-15 22:04:21,287 INFO L932 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 [2021-12-15 22:04:21,288 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 145 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:21,288 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 17 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 22:04:21,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-12-15 22:04:21,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2021-12-15 22:04:21,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.4116161616161615) internal successors, (559), 396 states have internal predecessors, (559), 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) [2021-12-15 22:04:21,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 559 transitions. [2021-12-15 22:04:21,302 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 559 transitions. Word has length 95 [2021-12-15 22:04:21,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:21,302 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 559 transitions. [2021-12-15 22:04:21,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 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) [2021-12-15 22:04:21,302 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 559 transitions. [2021-12-15 22:04:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-15 22:04:21,305 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:21,305 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:21,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 22:04:21,305 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:21,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:21,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1182931709, now seen corresponding path program 1 times [2021-12-15 22:04:21,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:21,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849999479] [2021-12-15 22:04:21,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:21,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:04:21,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:21,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849999479] [2021-12-15 22:04:21,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849999479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:21,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:04:21,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 22:04:21,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406464001] [2021-12-15 22:04:21,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:21,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:04:21,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:21,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:04:21,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:04:21,370 INFO L87 Difference]: Start difference. First operand 397 states and 559 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-12-15 22:04:21,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:21,722 INFO L93 Difference]: Finished difference Result 1185 states and 1672 transitions. [2021-12-15 22:04:21,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:04:21,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 96 [2021-12-15 22:04:21,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:21,725 INFO L225 Difference]: With dead ends: 1185 [2021-12-15 22:04:21,725 INFO L226 Difference]: Without dead ends: 790 [2021-12-15 22:04:21,726 INFO L932 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 [2021-12-15 22:04:21,727 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 45 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:21,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 211 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 22:04:21,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2021-12-15 22:04:21,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 528. [2021-12-15 22:04:21,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3548387096774193) internal successors, (714), 527 states have internal predecessors, (714), 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) [2021-12-15 22:04:21,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 714 transitions. [2021-12-15 22:04:21,751 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 714 transitions. Word has length 96 [2021-12-15 22:04:21,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:21,752 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 714 transitions. [2021-12-15 22:04:21,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-12-15 22:04:21,752 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 714 transitions. [2021-12-15 22:04:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-15 22:04:21,754 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:21,755 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:21,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 22:04:21,755 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:21,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:21,755 INFO L85 PathProgramCache]: Analyzing trace with hash -2030290680, now seen corresponding path program 1 times [2021-12-15 22:04:21,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:21,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531699330] [2021-12-15 22:04:21,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:21,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:04:21,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:21,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531699330] [2021-12-15 22:04:21,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531699330] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:21,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:04:21,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:04:21,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562004656] [2021-12-15 22:04:21,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:21,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:04:21,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:21,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:04:21,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:04:21,813 INFO L87 Difference]: Start difference. First operand 528 states and 714 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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) [2021-12-15 22:04:22,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:22,118 INFO L93 Difference]: Finished difference Result 1578 states and 2137 transitions. [2021-12-15 22:04:22,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:04:22,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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 97 [2021-12-15 22:04:22,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:22,122 INFO L225 Difference]: With dead ends: 1578 [2021-12-15 22:04:22,122 INFO L226 Difference]: Without dead ends: 921 [2021-12-15 22:04:22,123 INFO L932 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 [2021-12-15 22:04:22,124 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 136 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:22,124 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 59 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 22:04:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2021-12-15 22:04:22,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2021-12-15 22:04:22,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.2021739130434783) internal successors, (1106), 920 states have internal predecessors, (1106), 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) [2021-12-15 22:04:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1106 transitions. [2021-12-15 22:04:22,138 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1106 transitions. Word has length 97 [2021-12-15 22:04:22,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:22,138 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1106 transitions. [2021-12-15 22:04:22,138 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 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) [2021-12-15 22:04:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1106 transitions. [2021-12-15 22:04:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-12-15 22:04:22,141 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:22,141 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:22,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 22:04:22,141 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:22,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:22,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1854334615, now seen corresponding path program 1 times [2021-12-15 22:04:22,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:22,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834897889] [2021-12-15 22:04:22,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:22,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-15 22:04:22,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:22,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834897889] [2021-12-15 22:04:22,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834897889] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:22,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:04:22,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 22:04:22,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322464399] [2021-12-15 22:04:22,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:22,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:04:22,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:22,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:04:22,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 22:04:22,215 INFO L87 Difference]: Start difference. First operand 921 states and 1106 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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) [2021-12-15 22:04:22,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:22,487 INFO L93 Difference]: Finished difference Result 2364 states and 2793 transitions. [2021-12-15 22:04:22,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:04:22,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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 112 [2021-12-15 22:04:22,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:22,492 INFO L225 Difference]: With dead ends: 2364 [2021-12-15 22:04:22,492 INFO L226 Difference]: Without dead ends: 1445 [2021-12-15 22:04:22,493 INFO L932 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 [2021-12-15 22:04:22,494 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 120 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:22,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 55 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 22:04:22,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2021-12-15 22:04:22,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1314. [2021-12-15 22:04:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1313 states have (on average 1.1607006854531607) internal successors, (1524), 1313 states have internal predecessors, (1524), 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) [2021-12-15 22:04:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1524 transitions. [2021-12-15 22:04:22,524 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1524 transitions. Word has length 112 [2021-12-15 22:04:22,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:22,525 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 1524 transitions. [2021-12-15 22:04:22,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 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) [2021-12-15 22:04:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1524 transitions. [2021-12-15 22:04:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-12-15 22:04:22,529 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:22,529 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:22,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 22:04:22,530 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:22,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:22,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1664786527, now seen corresponding path program 1 times [2021-12-15 22:04:22,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:22,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198254403] [2021-12-15 22:04:22,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:22,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:22,608 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:04:22,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:22,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198254403] [2021-12-15 22:04:22,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198254403] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:22,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 22:04:22,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 22:04:22,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154468129] [2021-12-15 22:04:22,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:22,609 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 22:04:22,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:22,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 22:04:22,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:04:22,611 INFO L87 Difference]: Start difference. First operand 1314 states and 1524 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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) [2021-12-15 22:04:23,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:23,008 INFO L93 Difference]: Finished difference Result 3019 states and 3566 transitions. [2021-12-15 22:04:23,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 22:04:23,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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 116 [2021-12-15 22:04:23,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:23,014 INFO L225 Difference]: With dead ends: 3019 [2021-12-15 22:04:23,014 INFO L226 Difference]: Without dead ends: 1707 [2021-12-15 22:04:23,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 22:04:23,017 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 261 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:23,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 34 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 22:04:23,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-12-15 22:04:23,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2021-12-15 22:04:23,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.1098412698412699) internal successors, (1748), 1575 states have internal predecessors, (1748), 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) [2021-12-15 22:04:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1748 transitions. [2021-12-15 22:04:23,041 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1748 transitions. Word has length 116 [2021-12-15 22:04:23,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:23,041 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1748 transitions. [2021-12-15 22:04:23,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 4 states have internal predecessors, (116), 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) [2021-12-15 22:04:23,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1748 transitions. [2021-12-15 22:04:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-15 22:04:23,044 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:23,044 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:23,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 22:04:23,044 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:23,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:23,045 INFO L85 PathProgramCache]: Analyzing trace with hash -2107396270, now seen corresponding path program 1 times [2021-12-15 22:04:23,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:23,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898687280] [2021-12-15 22:04:23,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:23,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 22:04:23,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:23,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898687280] [2021-12-15 22:04:23,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898687280] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:04:23,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861865451] [2021-12-15 22:04:23,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:23,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:04:23,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:04:23,104 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:04:23,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 22:04:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:23,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:04:23,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:04:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-15 22:04:23,468 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:04:23,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861865451] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:23,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:04:23,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-15 22:04:23,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462880230] [2021-12-15 22:04:23,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:23,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:04:23,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:23,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:04:23,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:04:23,469 INFO L87 Difference]: Start difference. First operand 1576 states and 1748 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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) [2021-12-15 22:04:23,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:23,752 INFO L93 Difference]: Finished difference Result 3281 states and 3649 transitions. [2021-12-15 22:04:23,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:04:23,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 122 [2021-12-15 22:04:23,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:23,758 INFO L225 Difference]: With dead ends: 3281 [2021-12-15 22:04:23,758 INFO L226 Difference]: Without dead ends: 1707 [2021-12-15 22:04:23,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:04:23,763 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 57 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:23,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 160 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 22:04:23,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-12-15 22:04:23,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2021-12-15 22:04:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.099047619047619) internal successors, (1731), 1575 states have internal predecessors, (1731), 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) [2021-12-15 22:04:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1731 transitions. [2021-12-15 22:04:23,793 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1731 transitions. Word has length 122 [2021-12-15 22:04:23,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:23,795 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1731 transitions. [2021-12-15 22:04:23,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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) [2021-12-15 22:04:23,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1731 transitions. [2021-12-15 22:04:23,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-15 22:04:23,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:23,798 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:23,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 22:04:24,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:04:24,012 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:24,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:24,013 INFO L85 PathProgramCache]: Analyzing trace with hash 718342692, now seen corresponding path program 1 times [2021-12-15 22:04:24,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:24,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154284810] [2021-12-15 22:04:24,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:24,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:24,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:24,078 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-15 22:04:24,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:24,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154284810] [2021-12-15 22:04:24,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154284810] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:04:24,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776595482] [2021-12-15 22:04:24,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:24,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:04:24,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:04:24,096 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:04:24,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 22:04:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:24,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:04:24,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:04:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-12-15 22:04:24,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:04:24,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776595482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:24,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:04:24,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-15 22:04:24,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732157670] [2021-12-15 22:04:24,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:24,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:04:24,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:24,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:04:24,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:04:24,455 INFO L87 Difference]: Start difference. First operand 1576 states and 1731 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-12-15 22:04:24,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:24,714 INFO L93 Difference]: Finished difference Result 3936 states and 4321 transitions. [2021-12-15 22:04:24,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:04:24,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 130 [2021-12-15 22:04:24,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:24,719 INFO L225 Difference]: With dead ends: 3936 [2021-12-15 22:04:24,719 INFO L226 Difference]: Without dead ends: 1969 [2021-12-15 22:04:24,722 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:04:24,722 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 48 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:24,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 179 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 22:04:24,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-12-15 22:04:24,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2021-12-15 22:04:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.085580304806565) internal successors, (1852), 1706 states have internal predecessors, (1852), 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) [2021-12-15 22:04:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1852 transitions. [2021-12-15 22:04:24,748 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1852 transitions. Word has length 130 [2021-12-15 22:04:24,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:24,749 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 1852 transitions. [2021-12-15 22:04:24,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-12-15 22:04:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1852 transitions. [2021-12-15 22:04:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-12-15 22:04:24,751 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:24,751 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:24,771 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 22:04:24,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-12-15 22:04:24,968 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:24,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:24,968 INFO L85 PathProgramCache]: Analyzing trace with hash -972573098, now seen corresponding path program 1 times [2021-12-15 22:04:24,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:24,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442358078] [2021-12-15 22:04:24,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:24,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-15 22:04:25,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:25,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442358078] [2021-12-15 22:04:25,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442358078] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:04:25,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616022401] [2021-12-15 22:04:25,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:25,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:04:25,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:04:25,036 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:04:25,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 22:04:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:25,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:04:25,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:04:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-15 22:04:25,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:04:25,326 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616022401] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:25,326 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:04:25,326 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-15 22:04:25,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703714702] [2021-12-15 22:04:25,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:25,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:04:25,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:25,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:04:25,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:04:25,328 INFO L87 Difference]: Start difference. First operand 1707 states and 1852 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-12-15 22:04:25,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:25,590 INFO L93 Difference]: Finished difference Result 3412 states and 3709 transitions. [2021-12-15 22:04:25,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:04:25,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 135 [2021-12-15 22:04:25,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:25,595 INFO L225 Difference]: With dead ends: 3412 [2021-12-15 22:04:25,595 INFO L226 Difference]: Without dead ends: 1838 [2021-12-15 22:04:25,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:04:25,599 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 49 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:25,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 168 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 22:04:25,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2021-12-15 22:04:25,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1576. [2021-12-15 22:04:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.0685714285714285) internal successors, (1683), 1575 states have internal predecessors, (1683), 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) [2021-12-15 22:04:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1683 transitions. [2021-12-15 22:04:25,621 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1683 transitions. Word has length 135 [2021-12-15 22:04:25,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:25,621 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1683 transitions. [2021-12-15 22:04:25,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-12-15 22:04:25,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1683 transitions. [2021-12-15 22:04:25,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-15 22:04:25,624 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 22:04:25,624 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:25,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-15 22:04:25,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:04:25,841 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 22:04:25,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 22:04:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash -449356333, now seen corresponding path program 1 times [2021-12-15 22:04:25,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 22:04:25,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769669358] [2021-12-15 22:04:25,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:25,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 22:04:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:25,888 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-12-15 22:04:25,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 22:04:25,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769669358] [2021-12-15 22:04:25,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769669358] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 22:04:25,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990418286] [2021-12-15 22:04:25,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 22:04:25,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:04:25,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 22:04:25,890 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 22:04:25,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-15 22:04:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 22:04:25,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 22:04:25,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 22:04:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-12-15 22:04:26,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 22:04:26,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990418286] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 22:04:26,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 22:04:26,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-15 22:04:26,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221708495] [2021-12-15 22:04:26,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 22:04:26,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 22:04:26,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 22:04:26,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 22:04:26,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:04:26,193 INFO L87 Difference]: Start difference. First operand 1576 states and 1683 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2021-12-15 22:04:26,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 22:04:26,456 INFO L93 Difference]: Finished difference Result 3541 states and 3798 transitions. [2021-12-15 22:04:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 22:04:26,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 173 [2021-12-15 22:04:26,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 22:04:26,457 INFO L225 Difference]: With dead ends: 3541 [2021-12-15 22:04:26,457 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 22:04:26,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 22:04:26,461 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 47 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 22:04:26,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 174 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 22:04:26,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 22:04:26,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 22:04:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 22:04:26,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 22:04:26,463 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2021-12-15 22:04:26,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 22:04:26,463 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 22:04:26,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2021-12-15 22:04:26,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 22:04:26,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 22:04:26,465 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 22:04:26,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-15 22:04:26,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 22:04:26,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 22:04:27,065 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-12-15 22:04:27,065 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-12-15 22:04:27,065 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-12-15 22:04:27,066 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-12-15 22:04:27,067 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,068 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-12-15 22:04:27,069 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-12-15 22:04:27,070 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,072 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,072 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,072 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,072 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,072 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 22:04:27,072 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-12-15 22:04:27,072 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-12-15 22:04:27,072 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-12-15 22:04:27,072 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-12-15 22:04:27,073 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-12-15 22:04:27,073 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-12-15 22:04:27,073 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-12-15 22:04:27,073 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-12-15 22:04:27,073 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-12-15 22:04:27,073 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (<= ~a8~0 14)) (.cse6 (<= ~a8~0 13)) (.cse2 (= ~a20~0 1)) (.cse7 (not (= 1 ~a7~0))) (.cse5 (<= ~a17~0 0)) (.cse4 (= ~a7~0 1)) (.cse0 (= ~a21~0 1)) (.cse8 (<= ~a20~0 0)) (.cse3 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5) (and .cse0 .cse4 .cse3) (and .cse4 .cse2 .cse6 .cse3) (and .cse2 .cse6 .cse7 (<= ~a16~0 5)) (and .cse0 .cse2 (<= 5 ~a16~0) .cse3) (and .cse8 .cse5) (and .cse2 .cse7 .cse5) (and .cse4 .cse8) (and .cse0 .cse8 .cse3))) [2021-12-15 22:04:27,073 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-12-15 22:04:27,074 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-12-15 22:04:27,075 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-12-15 22:04:27,075 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-12-15 22:04:27,075 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-12-15 22:04:27,075 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-12-15 22:04:27,075 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-12-15 22:04:27,075 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-12-15 22:04:27,075 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 22:04:27,075 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-12-15 22:04:27,075 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-12-15 22:04:27,076 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,076 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,076 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,076 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,076 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,076 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-12-15 22:04:27,076 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-12-15 22:04:27,076 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-12-15 22:04:27,076 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,077 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-12-15 22:04:27,078 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-12-15 22:04:27,079 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-12-15 22:04:27,079 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-12-15 22:04:27,079 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-12-15 22:04:27,079 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-12-15 22:04:27,079 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-12-15 22:04:27,079 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,079 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (<= ~a8~0 14)) (.cse6 (<= ~a8~0 13)) (.cse2 (= ~a20~0 1)) (.cse7 (not (= 1 ~a7~0))) (.cse5 (<= ~a17~0 0)) (.cse4 (= ~a7~0 1)) (.cse0 (= ~a21~0 1)) (.cse8 (<= ~a20~0 0)) (.cse3 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5) (and .cse0 .cse4 .cse3) (and .cse4 .cse2 .cse6 .cse3) (and .cse2 .cse6 .cse7 (<= ~a16~0 5)) (and .cse0 .cse2 (<= 5 ~a16~0) .cse3) (and .cse8 .cse5) (and .cse2 .cse7 .cse5) (and .cse4 .cse8) (and .cse0 .cse8 .cse3))) [2021-12-15 22:04:27,079 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,079 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,080 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,080 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,080 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-12-15 22:04:27,080 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 22:04:27,080 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 453) no Hoare annotation was computed. [2021-12-15 22:04:27,080 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-12-15 22:04:27,080 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-12-15 22:04:27,080 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-12-15 22:04:27,080 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-12-15 22:04:27,081 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-12-15 22:04:27,082 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-12-15 22:04:27,082 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-12-15 22:04:27,084 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 22:04:27,086 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 22:04:27,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:04:27 BoogieIcfgContainer [2021-12-15 22:04:27,097 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 22:04:27,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 22:04:27,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 22:04:27,098 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 22:04:27,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:04:19" (3/4) ... [2021-12-15 22:04:27,100 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 22:04:27,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 22:04:27,119 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 22:04:27,120 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 22:04:27,121 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 22:04:27,206 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 22:04:27,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 22:04:27,207 INFO L158 Benchmark]: Toolchain (without parser) took 8717.35ms. Allocated memory was 90.2MB in the beginning and 209.7MB in the end (delta: 119.5MB). Free memory was 61.1MB in the beginning and 176.1MB in the end (delta: -115.0MB). Peak memory consumption was 124.2MB. Max. memory is 16.1GB. [2021-12-15 22:04:27,207 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 22:04:27,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.17ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 60.8MB in the beginning and 79.2MB in the end (delta: -18.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 22:04:27,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.50ms. Allocated memory is still 119.5MB. Free memory was 78.8MB in the beginning and 73.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 22:04:27,208 INFO L158 Benchmark]: Boogie Preprocessor took 60.96ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 69.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 22:04:27,209 INFO L158 Benchmark]: RCFGBuilder took 809.83ms. Allocated memory is still 119.5MB. Free memory was 68.7MB in the beginning and 84.4MB in the end (delta: -15.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-12-15 22:04:27,209 INFO L158 Benchmark]: TraceAbstraction took 7234.89ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 83.7MB in the beginning and 69.2MB in the end (delta: 14.5MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. [2021-12-15 22:04:27,209 INFO L158 Benchmark]: Witness Printer took 109.04ms. Allocated memory is still 209.7MB. Free memory was 69.2MB in the beginning and 176.1MB in the end (delta: -106.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-12-15 22:04:27,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 49.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.17ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 60.8MB in the beginning and 79.2MB in the end (delta: -18.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.50ms. Allocated memory is still 119.5MB. Free memory was 78.8MB in the beginning and 73.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.96ms. Allocated memory is still 119.5MB. Free memory was 73.3MB in the beginning and 69.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 809.83ms. Allocated memory is still 119.5MB. Free memory was 68.7MB in the beginning and 84.4MB in the end (delta: -15.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7234.89ms. Allocated memory was 119.5MB in the beginning and 209.7MB in the end (delta: 90.2MB). Free memory was 83.7MB in the beginning and 69.2MB in the end (delta: 14.5MB). Peak memory consumption was 104.3MB. Max. memory is 16.1GB. * Witness Printer took 109.04ms. Allocated memory is still 209.7MB. Free memory was 69.2MB in the beginning and 176.1MB in the end (delta: -106.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * 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: 453]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1007 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1007 mSDsluCounter, 1108 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 583 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3403 IncrementalHoareTripleChecker+Invalid, 3986 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 583 mSolverCounterUnsat, 1051 mSDtfsCounter, 3403 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 583 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1707occurred in iteration=8, InterpolantAutomatonStates: 31, 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, 1179 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 219 HoareAnnotationTreeSize, 3 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1284 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1725 NumberOfCodeBlocks, 1725 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1711 ConstructedInterpolants, 0 QuantifiedInterpolants, 3850 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1229 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 667/679 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 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((((((((((a21 == 1 && a8 <= 14) && a20 == 1) && a17 == 1) || ((a8 <= 14 && a7 == 1) && a17 <= 0)) || ((a21 == 1 && a7 == 1) && a17 == 1)) || (((a7 == 1 && a20 == 1) && a8 <= 13) && a17 == 1)) || (((a20 == 1 && a8 <= 13) && !(1 == a7)) && a16 <= 5)) || (((a21 == 1 && a20 == 1) && 5 <= a16) && a17 == 1)) || (a20 <= 0 && a17 <= 0)) || ((a20 == 1 && !(1 == a7)) && a17 <= 0)) || (a7 == 1 && a20 <= 0)) || ((a21 == 1 && a20 <= 0) && a17 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((a21 == 1 && a8 <= 14) && a20 == 1) && a17 == 1) || ((a8 <= 14 && a7 == 1) && a17 <= 0)) || ((a21 == 1 && a7 == 1) && a17 == 1)) || (((a7 == 1 && a20 == 1) && a8 <= 13) && a17 == 1)) || (((a20 == 1 && a8 <= 13) && !(1 == a7)) && a16 <= 5)) || (((a21 == 1 && a20 == 1) && 5 <= a16) && a17 == 1)) || (a20 <= 0 && a17 <= 0)) || ((a20 == 1 && !(1 == a7)) && a17 <= 0)) || (a7 == 1 && a20 <= 0)) || ((a21 == 1 && a20 <= 0) && a17 == 1) RESULT: Ultimate proved your program to be correct! [2021-12-15 22:04:27,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE