./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label32.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/Problem03_label32.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 06b61c7a92b1aafb8eaed71c9c03004c8dc3a1341fd95aec7c0057c1c21f0a3d --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 03:32:10,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 03:32:10,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 03:32:10,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 03:32:10,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 03:32:10,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 03:32:10,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 03:32:10,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 03:32:10,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 03:32:10,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 03:32:10,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 03:32:10,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 03:32:10,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 03:32:10,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 03:32:10,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 03:32:10,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 03:32:10,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 03:32:10,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 03:32:10,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 03:32:10,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 03:32:10,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 03:32:10,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 03:32:10,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 03:32:10,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 03:32:10,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 03:32:10,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 03:32:10,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 03:32:10,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 03:32:10,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 03:32:10,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 03:32:10,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 03:32:10,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 03:32:10,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 03:32:10,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 03:32:10,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 03:32:10,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 03:32:10,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 03:32:10,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 03:32:10,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 03:32:10,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 03:32:10,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 03:32:10,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 03:32:10,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 03:32:10,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 03:32:10,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 03:32:10,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 03:32:10,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 03:32:10,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 03:32:10,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 03:32:10,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 03:32:10,476 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 03:32:10,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 03:32:10,477 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 03:32:10,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 03:32:10,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 03:32:10,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 03:32:10,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 03:32:10,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 03:32:10,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 03:32:10,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 03:32:10,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 03:32:10,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 03:32:10,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 03:32:10,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 03:32:10,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 03:32:10,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 03:32:10,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:32:10,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 03:32:10,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 03:32:10,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 03:32:10,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 03:32:10,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 03:32:10,480 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 03:32:10,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 03:32:10,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 03:32:10,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 03:32:10,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06b61c7a92b1aafb8eaed71c9c03004c8dc3a1341fd95aec7c0057c1c21f0a3d [2021-12-17 03:32:10,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 03:32:10,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 03:32:10,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 03:32:10,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 03:32:10,697 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 03:32:10,698 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2021-12-17 03:32:10,752 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aec26df9/af299d5fc0c64d22a001eaf1c91de0fc/FLAG567fc74b7 [2021-12-17 03:32:11,230 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 03:32:11,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2021-12-17 03:32:11,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aec26df9/af299d5fc0c64d22a001eaf1c91de0fc/FLAG567fc74b7 [2021-12-17 03:32:11,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2aec26df9/af299d5fc0c64d22a001eaf1c91de0fc [2021-12-17 03:32:11,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 03:32:11,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 03:32:11,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 03:32:11,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 03:32:11,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 03:32:11,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:32:11" (1/1) ... [2021-12-17 03:32:11,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e373d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:11, skipping insertion in model container [2021-12-17 03:32:11,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:32:11" (1/1) ... [2021-12-17 03:32:11,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 03:32:11,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 03:32:11,985 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/Problem03_label32.c[59744,59757] [2021-12-17 03:32:12,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:32:12,018 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 03:32:12,153 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/Problem03_label32.c[59744,59757] [2021-12-17 03:32:12,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:32:12,170 INFO L208 MainTranslator]: Completed translation [2021-12-17 03:32:12,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12 WrapperNode [2021-12-17 03:32:12,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 03:32:12,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 03:32:12,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 03:32:12,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 03:32:12,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,259 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-12-17 03:32:12,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 03:32:12,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 03:32:12,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 03:32:12,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 03:32:12,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 03:32:12,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 03:32:12,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 03:32:12,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 03:32:12,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (1/1) ... [2021-12-17 03:32:12,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:32:12,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:12,381 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) [2021-12-17 03:32:12,393 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 [2021-12-17 03:32:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 03:32:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 03:32:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 03:32:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 03:32:12,500 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 03:32:12,515 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 03:32:13,659 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 03:32:13,669 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 03:32:13,670 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 03:32:13,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:32:13 BoogieIcfgContainer [2021-12-17 03:32:13,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 03:32:13,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 03:32:13,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 03:32:13,676 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 03:32:13,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:32:11" (1/3) ... [2021-12-17 03:32:13,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bede37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:32:13, skipping insertion in model container [2021-12-17 03:32:13,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:12" (2/3) ... [2021-12-17 03:32:13,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44bede37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:32:13, skipping insertion in model container [2021-12-17 03:32:13,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:32:13" (3/3) ... [2021-12-17 03:32:13,678 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label32.c [2021-12-17 03:32:13,681 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 03:32:13,682 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 03:32:13,716 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 03:32:13,721 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 [2021-12-17 03:32:13,721 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 03:32:13,740 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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) [2021-12-17 03:32:13,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-17 03:32:13,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:13,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:13,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:13,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:13,762 INFO L85 PathProgramCache]: Analyzing trace with hash -570388181, now seen corresponding path program 1 times [2021-12-17 03:32:13,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:13,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848165944] [2021-12-17 03:32:13,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:13,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:14,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:14,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848165944] [2021-12-17 03:32:14,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848165944] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:14,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:14,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:14,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017459979] [2021-12-17 03:32:14,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:14,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:14,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:14,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:14,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:14,250 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 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 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:15,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:15,073 INFO L93 Difference]: Finished difference Result 857 states and 1498 transitions. [2021-12-17 03:32:15,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:15,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2021-12-17 03:32:15,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:15,086 INFO L225 Difference]: With dead ends: 857 [2021-12-17 03:32:15,086 INFO L226 Difference]: Without dead ends: 462 [2021-12-17 03:32:15,089 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 [2021-12-17 03:32:15,091 INFO L933 BasicCegarLoop]: 149 mSDtfsCounter, 99 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:15,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 187 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 03:32:15,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-12-17 03:32:15,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 460. [2021-12-17 03:32:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 459 states have (on average 1.5381263616557734) internal successors, (706), 459 states have internal predecessors, (706), 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) [2021-12-17 03:32:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 706 transitions. [2021-12-17 03:32:15,134 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 706 transitions. Word has length 189 [2021-12-17 03:32:15,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:15,135 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 706 transitions. [2021-12-17 03:32:15,135 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 706 transitions. [2021-12-17 03:32:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-17 03:32:15,138 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:15,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:15,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 03:32:15,139 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:15,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:15,140 INFO L85 PathProgramCache]: Analyzing trace with hash -811782164, now seen corresponding path program 1 times [2021-12-17 03:32:15,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:15,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242477704] [2021-12-17 03:32:15,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:15,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:15,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:15,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242477704] [2021-12-17 03:32:15,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242477704] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:15,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:15,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:15,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542478924] [2021-12-17 03:32:15,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:15,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:15,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:15,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:15,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:15,254 INFO L87 Difference]: Start difference. First operand 460 states and 706 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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) [2021-12-17 03:32:15,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:15,877 INFO L93 Difference]: Finished difference Result 1344 states and 2079 transitions. [2021-12-17 03:32:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:15,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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 197 [2021-12-17 03:32:15,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:15,888 INFO L225 Difference]: With dead ends: 1344 [2021-12-17 03:32:15,889 INFO L226 Difference]: Without dead ends: 886 [2021-12-17 03:32:15,890 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 [2021-12-17 03:32:15,891 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:15,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 90 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:32:15,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-12-17 03:32:15,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 870. [2021-12-17 03:32:15,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 869 states have (on average 1.5132336018411967) internal successors, (1315), 869 states have internal predecessors, (1315), 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) [2021-12-17 03:32:15,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1315 transitions. [2021-12-17 03:32:15,915 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1315 transitions. Word has length 197 [2021-12-17 03:32:15,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:15,915 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1315 transitions. [2021-12-17 03:32:15,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 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) [2021-12-17 03:32:15,916 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1315 transitions. [2021-12-17 03:32:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-17 03:32:15,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:15,919 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:15,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 03:32:15,920 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:15,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:15,920 INFO L85 PathProgramCache]: Analyzing trace with hash 48899105, now seen corresponding path program 1 times [2021-12-17 03:32:15,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:15,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093515685] [2021-12-17 03:32:15,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:15,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-17 03:32:16,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:16,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093515685] [2021-12-17 03:32:16,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093515685] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:16,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:16,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:32:16,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648319514] [2021-12-17 03:32:16,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:16,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:32:16,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:16,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:32:16,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:32:16,135 INFO L87 Difference]: Start difference. First operand 870 states and 1315 transitions. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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) [2021-12-17 03:32:16,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:16,888 INFO L93 Difference]: Finished difference Result 1884 states and 2886 transitions. [2021-12-17 03:32:16,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:32:16,888 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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 204 [2021-12-17 03:32:16,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:16,891 INFO L225 Difference]: With dead ends: 1884 [2021-12-17 03:32:16,891 INFO L226 Difference]: Without dead ends: 842 [2021-12-17 03:32:16,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:32:16,893 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 331 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 802 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 802 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:16,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [331 Valid, 47 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 802 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 03:32:16,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2021-12-17 03:32:16,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 842. [2021-12-17 03:32:16,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 841 states have (on average 1.3650416171224733) internal successors, (1148), 841 states have internal predecessors, (1148), 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) [2021-12-17 03:32:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1148 transitions. [2021-12-17 03:32:16,907 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1148 transitions. Word has length 204 [2021-12-17 03:32:16,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:16,908 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1148 transitions. [2021-12-17 03:32:16,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 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) [2021-12-17 03:32:16,908 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1148 transitions. [2021-12-17 03:32:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-17 03:32:16,910 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:16,910 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:16,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 03:32:16,911 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:16,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:16,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1432976088, now seen corresponding path program 1 times [2021-12-17 03:32:16,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:16,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352508548] [2021-12-17 03:32:16,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:16,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:16,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:16,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352508548] [2021-12-17 03:32:16,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352508548] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:16,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:16,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:16,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699500829] [2021-12-17 03:32:16,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:16,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:16,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:16,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:16,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:16,964 INFO L87 Difference]: Start difference. First operand 842 states and 1148 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:17,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:17,441 INFO L93 Difference]: Finished difference Result 2507 states and 3424 transitions. [2021-12-17 03:32:17,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:17,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 212 [2021-12-17 03:32:17,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:17,446 INFO L225 Difference]: With dead ends: 2507 [2021-12-17 03:32:17,446 INFO L226 Difference]: Without dead ends: 1667 [2021-12-17 03:32:17,447 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 [2021-12-17 03:32:17,448 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 230 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:17,448 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 49 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:17,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2021-12-17 03:32:17,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1658. [2021-12-17 03:32:17,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1658 states, 1657 states have (on average 1.3566686783343391) internal successors, (2248), 1657 states have internal predecessors, (2248), 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) [2021-12-17 03:32:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2248 transitions. [2021-12-17 03:32:17,475 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2248 transitions. Word has length 212 [2021-12-17 03:32:17,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:17,476 INFO L470 AbstractCegarLoop]: Abstraction has 1658 states and 2248 transitions. [2021-12-17 03:32:17,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2248 transitions. [2021-12-17 03:32:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-12-17 03:32:17,479 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:17,479 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:17,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 03:32:17,480 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:17,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:17,480 INFO L85 PathProgramCache]: Analyzing trace with hash -167870784, now seen corresponding path program 1 times [2021-12-17 03:32:17,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:17,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051325139] [2021-12-17 03:32:17,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:17,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:17,528 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:17,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:17,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051325139] [2021-12-17 03:32:17,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051325139] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:17,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:17,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:17,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632439312] [2021-12-17 03:32:17,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:17,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:17,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:17,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:17,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:17,530 INFO L87 Difference]: Start difference. First operand 1658 states and 2248 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 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) [2021-12-17 03:32:17,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:17,982 INFO L93 Difference]: Finished difference Result 4954 states and 6724 transitions. [2021-12-17 03:32:17,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:17,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 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 215 [2021-12-17 03:32:17,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:17,991 INFO L225 Difference]: With dead ends: 4954 [2021-12-17 03:32:17,991 INFO L226 Difference]: Without dead ends: 3298 [2021-12-17 03:32:17,994 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 [2021-12-17 03:32:17,994 INFO L933 BasicCegarLoop]: 83 mSDtfsCounter, 204 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:17,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 107 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:32:17,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2021-12-17 03:32:18,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 3286. [2021-12-17 03:32:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3286 states, 3285 states have (on average 1.3546423135464232) internal successors, (4450), 3285 states have internal predecessors, (4450), 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) [2021-12-17 03:32:18,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3286 states to 3286 states and 4450 transitions. [2021-12-17 03:32:18,044 INFO L78 Accepts]: Start accepts. Automaton has 3286 states and 4450 transitions. Word has length 215 [2021-12-17 03:32:18,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:18,045 INFO L470 AbstractCegarLoop]: Abstraction has 3286 states and 4450 transitions. [2021-12-17 03:32:18,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 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) [2021-12-17 03:32:18,045 INFO L276 IsEmpty]: Start isEmpty. Operand 3286 states and 4450 transitions. [2021-12-17 03:32:18,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-17 03:32:18,050 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:18,050 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:18,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 03:32:18,050 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:18,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:18,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1171838853, now seen corresponding path program 1 times [2021-12-17 03:32:18,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:18,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137849934] [2021-12-17 03:32:18,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:18,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:18,131 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:18,132 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:18,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137849934] [2021-12-17 03:32:18,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137849934] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:18,132 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:18,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:18,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634253969] [2021-12-17 03:32:18,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:18,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:18,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:18,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:18,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:18,134 INFO L87 Difference]: Start difference. First operand 3286 states and 4450 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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) [2021-12-17 03:32:18,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:18,647 INFO L93 Difference]: Finished difference Result 9019 states and 12221 transitions. [2021-12-17 03:32:18,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:18,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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 217 [2021-12-17 03:32:18,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:18,662 INFO L225 Difference]: With dead ends: 9019 [2021-12-17 03:32:18,662 INFO L226 Difference]: Without dead ends: 5735 [2021-12-17 03:32:18,666 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 [2021-12-17 03:32:18,667 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 199 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:18,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 86 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:32:18,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5735 states. [2021-12-17 03:32:18,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5735 to 5727. [2021-12-17 03:32:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5727 states, 5726 states have (on average 1.2951449528466643) internal successors, (7416), 5726 states have internal predecessors, (7416), 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) [2021-12-17 03:32:18,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5727 states to 5727 states and 7416 transitions. [2021-12-17 03:32:18,755 INFO L78 Accepts]: Start accepts. Automaton has 5727 states and 7416 transitions. Word has length 217 [2021-12-17 03:32:18,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:18,756 INFO L470 AbstractCegarLoop]: Abstraction has 5727 states and 7416 transitions. [2021-12-17 03:32:18,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 2 states have internal predecessors, (217), 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) [2021-12-17 03:32:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand 5727 states and 7416 transitions. [2021-12-17 03:32:18,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-12-17 03:32:18,763 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:18,763 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:18,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 03:32:18,763 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:18,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:18,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1777737916, now seen corresponding path program 1 times [2021-12-17 03:32:18,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:18,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081807520] [2021-12-17 03:32:18,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:18,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:18,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:18,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081807520] [2021-12-17 03:32:18,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081807520] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:18,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:18,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:32:18,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926483312] [2021-12-17 03:32:18,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:18,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 03:32:18,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:18,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 03:32:18,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:32:18,973 INFO L87 Difference]: Start difference. First operand 5727 states and 7416 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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) [2021-12-17 03:32:19,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:19,780 INFO L93 Difference]: Finished difference Result 13839 states and 17972 transitions. [2021-12-17 03:32:19,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 03:32:19,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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 220 [2021-12-17 03:32:19,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:19,802 INFO L225 Difference]: With dead ends: 13839 [2021-12-17 03:32:19,803 INFO L226 Difference]: Without dead ends: 8578 [2021-12-17 03:32:19,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 03:32:19,812 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 199 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:19,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 108 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 03:32:19,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8578 states. [2021-12-17 03:32:19,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8578 to 8577. [2021-12-17 03:32:19,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8577 states, 8576 states have (on average 1.2786847014925373) internal successors, (10966), 8576 states have internal predecessors, (10966), 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) [2021-12-17 03:32:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8577 states to 8577 states and 10966 transitions. [2021-12-17 03:32:19,957 INFO L78 Accepts]: Start accepts. Automaton has 8577 states and 10966 transitions. Word has length 220 [2021-12-17 03:32:19,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:19,957 INFO L470 AbstractCegarLoop]: Abstraction has 8577 states and 10966 transitions. [2021-12-17 03:32:19,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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) [2021-12-17 03:32:19,957 INFO L276 IsEmpty]: Start isEmpty. Operand 8577 states and 10966 transitions. [2021-12-17 03:32:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2021-12-17 03:32:19,968 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:19,968 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:19,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 03:32:19,969 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:19,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:19,970 INFO L85 PathProgramCache]: Analyzing trace with hash -374783769, now seen corresponding path program 1 times [2021-12-17 03:32:19,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:19,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892289882] [2021-12-17 03:32:19,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:19,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:20,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:20,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892289882] [2021-12-17 03:32:20,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892289882] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:20,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733313536] [2021-12-17 03:32:20,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:20,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:20,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:20,039 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) [2021-12-17 03:32:20,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 03:32:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:20,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:32:20,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:20,543 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-17 03:32:20,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:20,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733313536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:20,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:20,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:32:20,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264837605] [2021-12-17 03:32:20,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:20,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:20,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:20,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:20,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:20,545 INFO L87 Difference]: Start difference. First operand 8577 states and 10966 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2021-12-17 03:32:21,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:21,146 INFO L93 Difference]: Finished difference Result 16551 states and 21222 transitions. [2021-12-17 03:32:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:21,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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 227 [2021-12-17 03:32:21,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:21,175 INFO L225 Difference]: With dead ends: 16551 [2021-12-17 03:32:21,176 INFO L226 Difference]: Without dead ends: 8179 [2021-12-17 03:32:21,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:21,185 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 35 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:21,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 323 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:21,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8179 states. [2021-12-17 03:32:21,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8179 to 8171. [2021-12-17 03:32:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8171 states, 8170 states have (on average 1.2636474908200734) internal successors, (10324), 8170 states have internal predecessors, (10324), 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) [2021-12-17 03:32:21,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8171 states to 8171 states and 10324 transitions. [2021-12-17 03:32:21,287 INFO L78 Accepts]: Start accepts. Automaton has 8171 states and 10324 transitions. Word has length 227 [2021-12-17 03:32:21,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:21,288 INFO L470 AbstractCegarLoop]: Abstraction has 8171 states and 10324 transitions. [2021-12-17 03:32:21,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 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) [2021-12-17 03:32:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 8171 states and 10324 transitions. [2021-12-17 03:32:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-17 03:32:21,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:21,298 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:21,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:21,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:21,508 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:21,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:21,508 INFO L85 PathProgramCache]: Analyzing trace with hash 828184027, now seen corresponding path program 1 times [2021-12-17 03:32:21,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:21,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734937612] [2021-12-17 03:32:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:21,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:21,569 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-12-17 03:32:21,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:21,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734937612] [2021-12-17 03:32:21,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734937612] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:21,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381192325] [2021-12-17 03:32:21,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:21,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:21,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:21,572 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) [2021-12-17 03:32:21,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 03:32:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:21,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:32:21,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:22,074 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-17 03:32:22,075 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:22,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381192325] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:22,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:22,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:32:22,076 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933298588] [2021-12-17 03:32:22,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:22,076 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:22,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:22,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:22,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:22,077 INFO L87 Difference]: Start difference. First operand 8171 states and 10324 transitions. Second operand has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2021-12-17 03:32:22,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:22,621 INFO L93 Difference]: Finished difference Result 20404 states and 25873 transitions. [2021-12-17 03:32:22,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:22,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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 233 [2021-12-17 03:32:22,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:22,641 INFO L225 Difference]: With dead ends: 20404 [2021-12-17 03:32:22,641 INFO L226 Difference]: Without dead ends: 13047 [2021-12-17 03:32:22,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:22,650 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 30 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:22,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 345 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:22,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13047 states. [2021-12-17 03:32:22,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13047 to 11825. [2021-12-17 03:32:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11825 states, 11824 states have (on average 1.1846244925575102) internal successors, (14007), 11824 states have internal predecessors, (14007), 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) [2021-12-17 03:32:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11825 states to 11825 states and 14007 transitions. [2021-12-17 03:32:22,835 INFO L78 Accepts]: Start accepts. Automaton has 11825 states and 14007 transitions. Word has length 233 [2021-12-17 03:32:22,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:22,835 INFO L470 AbstractCegarLoop]: Abstraction has 11825 states and 14007 transitions. [2021-12-17 03:32:22,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.0) internal successors, (225), 3 states have internal predecessors, (225), 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) [2021-12-17 03:32:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 11825 states and 14007 transitions. [2021-12-17 03:32:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-17 03:32:22,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:22,849 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:22,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:23,063 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,SelfDestructingSolverStorable8 [2021-12-17 03:32:23,064 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:23,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:23,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1541904805, now seen corresponding path program 1 times [2021-12-17 03:32:23,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:23,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111874776] [2021-12-17 03:32:23,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:23,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-17 03:32:23,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:23,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111874776] [2021-12-17 03:32:23,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111874776] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:23,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:23,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:32:23,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685681855] [2021-12-17 03:32:23,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:23,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:23,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:23,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:23,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:23,118 INFO L87 Difference]: Start difference. First operand 11825 states and 14007 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2021-12-17 03:32:23,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:23,679 INFO L93 Difference]: Finished difference Result 26490 states and 31855 transitions. [2021-12-17 03:32:23,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:23,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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 243 [2021-12-17 03:32:23,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:23,700 INFO L225 Difference]: With dead ends: 26490 [2021-12-17 03:32:23,700 INFO L226 Difference]: Without dead ends: 15479 [2021-12-17 03:32:23,711 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 [2021-12-17 03:32:23,712 INFO L933 BasicCegarLoop]: 105 mSDtfsCounter, 214 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:23,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 124 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:23,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15479 states. [2021-12-17 03:32:23,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15479 to 15479. [2021-12-17 03:32:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15479 states, 15478 states have (on average 1.1341258560537537) internal successors, (17554), 15478 states have internal predecessors, (17554), 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) [2021-12-17 03:32:23,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15479 states to 15479 states and 17554 transitions. [2021-12-17 03:32:23,926 INFO L78 Accepts]: Start accepts. Automaton has 15479 states and 17554 transitions. Word has length 243 [2021-12-17 03:32:23,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:23,926 INFO L470 AbstractCegarLoop]: Abstraction has 15479 states and 17554 transitions. [2021-12-17 03:32:23,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 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) [2021-12-17 03:32:23,927 INFO L276 IsEmpty]: Start isEmpty. Operand 15479 states and 17554 transitions. [2021-12-17 03:32:23,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-17 03:32:23,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:23,942 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:23,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 03:32:23,943 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:23,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:23,943 INFO L85 PathProgramCache]: Analyzing trace with hash 933711667, now seen corresponding path program 1 times [2021-12-17 03:32:23,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:23,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318197901] [2021-12-17 03:32:23,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:23,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-17 03:32:24,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:24,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318197901] [2021-12-17 03:32:24,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318197901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:24,011 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:24,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:24,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780186241] [2021-12-17 03:32:24,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:24,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:24,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:24,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:24,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:24,013 INFO L87 Difference]: Start difference. First operand 15479 states and 17554 transitions. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 2 states have internal predecessors, (224), 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) [2021-12-17 03:32:24,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:24,502 INFO L93 Difference]: Finished difference Result 30144 states and 34228 transitions. [2021-12-17 03:32:24,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:24,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 2 states have internal predecessors, (224), 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 253 [2021-12-17 03:32:24,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:24,523 INFO L225 Difference]: With dead ends: 30144 [2021-12-17 03:32:24,524 INFO L226 Difference]: Without dead ends: 15682 [2021-12-17 03:32:24,536 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 [2021-12-17 03:32:24,537 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 172 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:24,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 129 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:32:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15682 states. [2021-12-17 03:32:24,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15682 to 15682. [2021-12-17 03:32:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15682 states, 15681 states have (on average 1.1331547732925196) internal successors, (17769), 15681 states have internal predecessors, (17769), 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) [2021-12-17 03:32:24,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15682 states to 15682 states and 17769 transitions. [2021-12-17 03:32:24,791 INFO L78 Accepts]: Start accepts. Automaton has 15682 states and 17769 transitions. Word has length 253 [2021-12-17 03:32:24,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:24,791 INFO L470 AbstractCegarLoop]: Abstraction has 15682 states and 17769 transitions. [2021-12-17 03:32:24,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 2 states have internal predecessors, (224), 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) [2021-12-17 03:32:24,792 INFO L276 IsEmpty]: Start isEmpty. Operand 15682 states and 17769 transitions. [2021-12-17 03:32:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-12-17 03:32:24,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:24,805 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:24,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 03:32:24,806 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:24,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:24,806 INFO L85 PathProgramCache]: Analyzing trace with hash -147971992, now seen corresponding path program 1 times [2021-12-17 03:32:24,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:24,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904556938] [2021-12-17 03:32:24,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:24,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:24,882 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-17 03:32:24,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:24,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904556938] [2021-12-17 03:32:24,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904556938] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:24,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235302929] [2021-12-17 03:32:24,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:24,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:24,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:24,884 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) [2021-12-17 03:32:24,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 03:32:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:25,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:32:25,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:25,426 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-12-17 03:32:25,426 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:25,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235302929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:25,427 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:25,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-12-17 03:32:25,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921206640] [2021-12-17 03:32:25,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:25,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:25,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:25,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:25,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:25,429 INFO L87 Difference]: Start difference. First operand 15682 states and 17769 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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) [2021-12-17 03:32:26,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:26,097 INFO L93 Difference]: Finished difference Result 40526 states and 46084 transitions. [2021-12-17 03:32:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:26,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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 260 [2021-12-17 03:32:26,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:26,130 INFO L225 Difference]: With dead ends: 40526 [2021-12-17 03:32:26,130 INFO L226 Difference]: Without dead ends: 25861 [2021-12-17 03:32:26,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:26,142 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 65 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:26,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 92 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:32:26,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25861 states. [2021-12-17 03:32:26,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25861 to 25855. [2021-12-17 03:32:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25855 states, 25854 states have (on average 1.1231144116964493) internal successors, (29037), 25854 states have internal predecessors, (29037), 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) [2021-12-17 03:32:26,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25855 states to 25855 states and 29037 transitions. [2021-12-17 03:32:26,465 INFO L78 Accepts]: Start accepts. Automaton has 25855 states and 29037 transitions. Word has length 260 [2021-12-17 03:32:26,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:26,465 INFO L470 AbstractCegarLoop]: Abstraction has 25855 states and 29037 transitions. [2021-12-17 03:32:26,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 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) [2021-12-17 03:32:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 25855 states and 29037 transitions. [2021-12-17 03:32:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-12-17 03:32:26,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:26,489 INFO L514 BasicCegarLoop]: trace histogram [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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:26,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:26,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:26,703 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:26,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:26,704 INFO L85 PathProgramCache]: Analyzing trace with hash 416423222, now seen corresponding path program 1 times [2021-12-17 03:32:26,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:26,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176936596] [2021-12-17 03:32:26,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:26,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:27,007 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 30 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:27,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:27,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176936596] [2021-12-17 03:32:27,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176936596] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:27,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007783584] [2021-12-17 03:32:27,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:27,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:27,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:27,016 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) [2021-12-17 03:32:27,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 03:32:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:27,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:32:27,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:27,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:27,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007783584] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:27,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:27,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-12-17 03:32:27,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251029486] [2021-12-17 03:32:27,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:27,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:27,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:27,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:27,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:32:27,548 INFO L87 Difference]: Start difference. First operand 25855 states and 29037 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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) [2021-12-17 03:32:28,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:28,119 INFO L93 Difference]: Finished difference Result 50697 states and 57014 transitions. [2021-12-17 03:32:28,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:28,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 285 [2021-12-17 03:32:28,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:28,150 INFO L225 Difference]: With dead ends: 50697 [2021-12-17 03:32:28,151 INFO L226 Difference]: Without dead ends: 25453 [2021-12-17 03:32:28,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:32:28,168 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 75 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:28,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 277 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:32:28,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25453 states. [2021-12-17 03:32:28,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25453 to 24637. [2021-12-17 03:32:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24637 states, 24636 states have (on average 1.1137765871082967) internal successors, (27439), 24636 states have internal predecessors, (27439), 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) [2021-12-17 03:32:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24637 states to 24637 states and 27439 transitions. [2021-12-17 03:32:28,527 INFO L78 Accepts]: Start accepts. Automaton has 24637 states and 27439 transitions. Word has length 285 [2021-12-17 03:32:28,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:28,527 INFO L470 AbstractCegarLoop]: Abstraction has 24637 states and 27439 transitions. [2021-12-17 03:32:28,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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) [2021-12-17 03:32:28,528 INFO L276 IsEmpty]: Start isEmpty. Operand 24637 states and 27439 transitions. [2021-12-17 03:32:28,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-17 03:32:28,547 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:28,548 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:28,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:28,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:28,766 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:28,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:28,766 INFO L85 PathProgramCache]: Analyzing trace with hash 337945628, now seen corresponding path program 1 times [2021-12-17 03:32:28,766 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:28,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075466372] [2021-12-17 03:32:28,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:28,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 80 proven. 6 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-12-17 03:32:28,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:28,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075466372] [2021-12-17 03:32:28,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075466372] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:28,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193246906] [2021-12-17 03:32:28,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:28,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:28,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:28,863 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:28,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 03:32:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:28,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:32:28,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-17 03:32:29,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:29,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193246906] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:29,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:29,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:32:29,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113238957] [2021-12-17 03:32:29,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:29,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:29,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:29,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:29,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:29,386 INFO L87 Difference]: Start difference. First operand 24637 states and 27439 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:30,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:30,085 INFO L93 Difference]: Finished difference Result 64326 states and 71930 transitions. [2021-12-17 03:32:30,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:30,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 293 [2021-12-17 03:32:30,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:30,131 INFO L225 Difference]: With dead ends: 64326 [2021-12-17 03:32:30,131 INFO L226 Difference]: Without dead ends: 40097 [2021-12-17 03:32:30,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:30,153 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 63 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:30,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 108 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:30,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40097 states. [2021-12-17 03:32:30,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40097 to 39283. [2021-12-17 03:32:30,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39283 states, 39282 states have (on average 1.10844661677104) internal successors, (43542), 39282 states have internal predecessors, (43542), 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) [2021-12-17 03:32:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39283 states to 39283 states and 43542 transitions. [2021-12-17 03:32:30,564 INFO L78 Accepts]: Start accepts. Automaton has 39283 states and 43542 transitions. Word has length 293 [2021-12-17 03:32:30,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:30,564 INFO L470 AbstractCegarLoop]: Abstraction has 39283 states and 43542 transitions. [2021-12-17 03:32:30,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 39283 states and 43542 transitions. [2021-12-17 03:32:30,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-12-17 03:32:30,594 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:30,595 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:30,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:30,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-17 03:32:30,813 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:30,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:30,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2037722579, now seen corresponding path program 1 times [2021-12-17 03:32:30,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:30,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765075192] [2021-12-17 03:32:30,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:30,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:30,963 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:30,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:30,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765075192] [2021-12-17 03:32:30,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765075192] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:30,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:30,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:32:30,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738807237] [2021-12-17 03:32:30,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:30,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:30,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:30,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:30,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:30,966 INFO L87 Difference]: Start difference. First operand 39283 states and 43542 transitions. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 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) [2021-12-17 03:32:31,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:31,553 INFO L93 Difference]: Finished difference Result 73264 states and 81196 transitions. [2021-12-17 03:32:31,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:31,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 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) Word has length 327 [2021-12-17 03:32:31,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:31,589 INFO L225 Difference]: With dead ends: 73264 [2021-12-17 03:32:31,589 INFO L226 Difference]: Without dead ends: 34389 [2021-12-17 03:32:31,612 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 [2021-12-17 03:32:31,613 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 200 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:31,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 313 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:32:31,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34389 states. [2021-12-17 03:32:31,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34389 to 33976. [2021-12-17 03:32:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33976 states, 33975 states have (on average 1.0925680647534952) internal successors, (37120), 33975 states have internal predecessors, (37120), 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) [2021-12-17 03:32:32,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33976 states to 33976 states and 37120 transitions. [2021-12-17 03:32:32,024 INFO L78 Accepts]: Start accepts. Automaton has 33976 states and 37120 transitions. Word has length 327 [2021-12-17 03:32:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:32,025 INFO L470 AbstractCegarLoop]: Abstraction has 33976 states and 37120 transitions. [2021-12-17 03:32:32,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 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) [2021-12-17 03:32:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 33976 states and 37120 transitions. [2021-12-17 03:32:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2021-12-17 03:32:32,054 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:32,054 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-12-17 03:32:32,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-17 03:32:32,055 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:32,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:32,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1928123975, now seen corresponding path program 1 times [2021-12-17 03:32:32,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:32,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858941809] [2021-12-17 03:32:32,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:32,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:32,155 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 120 proven. 6 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-17 03:32:32,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:32,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858941809] [2021-12-17 03:32:32,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858941809] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:32,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252642767] [2021-12-17 03:32:32,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:32,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:32,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:32,157 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:32,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 03:32:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:32,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 03:32:32,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:32,968 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 120 proven. 6 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-17 03:32:32,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 03:32:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 120 proven. 6 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-12-17 03:32:33,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252642767] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 03:32:33,774 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 03:32:33,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-12-17 03:32:33,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620487739] [2021-12-17 03:32:33,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 03:32:33,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 03:32:33,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:33,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 03:32:33,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-17 03:32:33,776 INFO L87 Difference]: Start difference. First operand 33976 states and 37120 transitions. Second operand has 7 states, 7 states have (on average 44.142857142857146) internal successors, (309), 6 states have internal predecessors, (309), 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) [2021-12-17 03:32:37,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:37,982 INFO L93 Difference]: Finished difference Result 200021 states and 218614 transitions. [2021-12-17 03:32:37,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-12-17 03:32:37,983 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 44.142857142857146) internal successors, (309), 6 states have internal predecessors, (309), 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 435 [2021-12-17 03:32:37,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:38,156 INFO L225 Difference]: With dead ends: 200021 [2021-12-17 03:32:38,156 INFO L226 Difference]: Without dead ends: 166453 [2021-12-17 03:32:38,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 889 GetRequests, 865 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2021-12-17 03:32:38,191 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 4401 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 4026 mSolverCounterSat, 727 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4401 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 4753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 727 IncrementalHoareTripleChecker+Valid, 4026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:38,191 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4401 Valid, 240 Invalid, 4753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [727 Valid, 4026 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-17 03:32:38,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166453 states. [2021-12-17 03:32:39,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166453 to 80299. [2021-12-17 03:32:39,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80299 states, 80298 states have (on average 1.0864903235447956) internal successors, (87243), 80298 states have internal predecessors, (87243), 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) [2021-12-17 03:32:39,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80299 states to 80299 states and 87243 transitions. [2021-12-17 03:32:39,764 INFO L78 Accepts]: Start accepts. Automaton has 80299 states and 87243 transitions. Word has length 435 [2021-12-17 03:32:39,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:39,765 INFO L470 AbstractCegarLoop]: Abstraction has 80299 states and 87243 transitions. [2021-12-17 03:32:39,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 44.142857142857146) internal successors, (309), 6 states have internal predecessors, (309), 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) [2021-12-17 03:32:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 80299 states and 87243 transitions. [2021-12-17 03:32:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2021-12-17 03:32:39,825 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:39,825 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:39,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:40,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-17 03:32:40,028 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:40,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:40,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1087557968, now seen corresponding path program 1 times [2021-12-17 03:32:40,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:40,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493463163] [2021-12-17 03:32:40,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:40,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:40,158 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 213 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-12-17 03:32:40,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:40,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493463163] [2021-12-17 03:32:40,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493463163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:40,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:40,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:40,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221374199] [2021-12-17 03:32:40,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:40,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:40,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:40,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:40,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:40,161 INFO L87 Difference]: Start difference. First operand 80299 states and 87243 transitions. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 2 states have internal predecessors, (269), 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) [2021-12-17 03:32:41,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:41,203 INFO L93 Difference]: Finished difference Result 165690 states and 180125 transitions. [2021-12-17 03:32:41,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:41,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 2 states have internal predecessors, (269), 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 442 [2021-12-17 03:32:41,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:41,304 INFO L225 Difference]: With dead ends: 165690 [2021-12-17 03:32:41,304 INFO L226 Difference]: Without dead ends: 85596 [2021-12-17 03:32:41,332 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 [2021-12-17 03:32:41,335 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 144 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:41,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 135 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:32:41,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85596 states. [2021-12-17 03:32:42,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85596 to 82938. [2021-12-17 03:32:42,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82938 states, 82937 states have (on average 1.0871022583406682) internal successors, (90161), 82937 states have internal predecessors, (90161), 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) [2021-12-17 03:32:42,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82938 states to 82938 states and 90161 transitions. [2021-12-17 03:32:42,369 INFO L78 Accepts]: Start accepts. Automaton has 82938 states and 90161 transitions. Word has length 442 [2021-12-17 03:32:42,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:42,369 INFO L470 AbstractCegarLoop]: Abstraction has 82938 states and 90161 transitions. [2021-12-17 03:32:42,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 2 states have internal predecessors, (269), 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) [2021-12-17 03:32:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 82938 states and 90161 transitions. [2021-12-17 03:32:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-12-17 03:32:42,437 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:42,438 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2021-12-17 03:32:42,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-17 03:32:42,438 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:42,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:42,439 INFO L85 PathProgramCache]: Analyzing trace with hash -852721927, now seen corresponding path program 1 times [2021-12-17 03:32:42,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:42,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167760684] [2021-12-17 03:32:42,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:42,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:42,923 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 389 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:42,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:42,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167760684] [2021-12-17 03:32:42,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167760684] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:42,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436890325] [2021-12-17 03:32:42,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:42,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:42,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:42,925 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:42,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-17 03:32:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:43,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 03:32:43,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-12-17 03:32:43,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:43,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436890325] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:43,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:43,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-17 03:32:43,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110267517] [2021-12-17 03:32:43,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:43,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:43,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:43,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:43,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-17 03:32:43,745 INFO L87 Difference]: Start difference. First operand 82938 states and 90161 transitions. Second operand has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2021-12-17 03:32:44,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:44,594 INFO L93 Difference]: Finished difference Result 177674 states and 193806 transitions. [2021-12-17 03:32:44,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:44,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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 455 [2021-12-17 03:32:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:44,595 INFO L225 Difference]: With dead ends: 177674 [2021-12-17 03:32:44,595 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 03:32:44,755 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-17 03:32:44,757 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 41 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:44,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 319 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:32:44,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 03:32:44,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 03:32:44,758 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) [2021-12-17 03:32:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 03:32:44,758 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 455 [2021-12-17 03:32:44,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:44,758 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 03:32:44,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.33333333333333) internal successors, (316), 3 states have internal predecessors, (316), 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) [2021-12-17 03:32:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 03:32:44,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 03:32:44,761 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 03:32:44,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:44,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:44,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 03:32:56,602 WARN L227 SmtUtils]: Spent 11.62s on a formula simplification. DAG size of input: 943 DAG size of output: 943 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-17 03:33:07,860 WARN L227 SmtUtils]: Spent 11.25s on a formula simplification. DAG size of input: 943 DAG size of output: 943 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-17 03:33:21,077 WARN L227 SmtUtils]: Spent 13.21s on a formula simplification. DAG size of input: 943 DAG size of output: 81 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 03:33:34,476 WARN L227 SmtUtils]: Spent 13.39s on a formula simplification. DAG size of input: 943 DAG size of output: 81 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,480 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,481 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,482 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,482 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,482 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,482 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,482 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,482 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,482 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-12-17 03:33:34,482 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-12-17 03:33:34,482 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-12-17 03:33:34,483 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,484 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,484 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,484 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,484 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,484 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,485 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-12-17 03:33:34,485 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-12-17 03:33:34,485 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,485 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-12-17 03:33:34,485 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,485 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-12-17 03:33:34,485 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-12-17 03:33:34,485 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,486 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,486 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,486 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,486 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,486 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,486 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,486 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-12-17 03:33:34,486 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,487 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-12-17 03:33:34,487 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-12-17 03:33:34,487 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,487 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,488 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,488 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,488 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-12-17 03:33:34,488 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-12-17 03:33:34,488 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,488 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-12-17 03:33:34,489 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-12-17 03:33:34,490 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-12-17 03:33:34,490 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,490 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,490 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,490 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,490 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,490 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,491 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-12-17 03:33:34,492 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-12-17 03:33:34,492 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-12-17 03:33:34,492 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,492 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,492 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,492 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-12-17 03:33:34,492 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,492 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-12-17 03:33:34,492 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 03:33:34,493 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,493 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,493 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-12-17 03:33:34,493 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-12-17 03:33:34,493 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,493 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,494 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,494 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,494 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,494 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,494 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,494 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-12-17 03:33:34,494 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-12-17 03:33:34,494 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-12-17 03:33:34,494 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-12-17 03:33:34,495 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-12-17 03:33:34,495 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,495 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,495 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,495 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,495 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,495 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,495 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,496 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,496 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,496 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,496 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-12-17 03:33:34,496 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-12-17 03:33:34,496 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-12-17 03:33:34,496 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,496 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,497 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,497 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,497 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,497 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,497 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,497 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,497 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,497 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 03:33:34,497 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1612) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,498 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,499 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-12-17 03:33:34,500 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,501 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,502 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,502 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse14 (= 1 ~a18~0)) (.cse13 (not (= 1 ~a11~0))) (.cse15 (= 1 ~a29~0)) (.cse11 (<= 2 ~a3~0)) (.cse7 (= 0 ~a6~0)) (.cse18 (= ~a11~0 ~a6~0)) (.cse19 (= ~a15~0 1)) (.cse6 (<= ~a3~0 0)) (.cse3 (= ~a26~0 ~a19~0)) (.cse17 (not (= 1 ~a6~0))) (.cse20 (= ~a29~0 1)) (.cse2 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse16 (= ~a16~0 1)) (.cse5 (<= ~a27~0 0)) (.cse9 (= ~a3~0 1)) (.cse0 (= ~a5~0 1)) (.cse8 (<= ~a12~0 0)) (.cse10 (= ~a27~0 1)) (.cse4 (= ~a18~0 1)) (.cse12 (<= ~a11~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a11~0 ~a14~0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse7 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse10 .cse4 .cse11 .cse12) (and .cse0 .cse13 .cse14 .cse8 .cse10 .cse15) (and .cse0 .cse1 .cse16 .cse10 .cse4 .cse11) (and .cse0 .cse1 .cse16 .cse4 .cse5 .cse12) (and .cse0 .cse1 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse16 .cse4 .cse5 .cse6) (and .cse0 .cse13 .cse14 .cse17 .cse8 .cse9 .cse5 .cse15) (and .cse0 .cse1 .cse18 .cse2 .cse19 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse11) (and .cse0 .cse1 .cse2 .cse17 .cse20 .cse10 .cse4 .cse11) (and .cse0 .cse2 .cse8 .cse10 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse12) (and .cse13 .cse0 .cse1 .cse10 .cse4 .cse11 .cse15) (and .cse0 .cse8 .cse7 .cse10 .cse4) (and .cse0 .cse8 .cse4 .cse5 .cse11) (and .cse0 .cse1 .cse18 .cse2 .cse16 .cse10 .cse19 .cse4) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse12) (and .cse0 .cse8 .cse10 .cse4 .cse11) (and .cse0 .cse8 .cse10 .cse4 .cse6) (and .cse0 .cse8 .cse4 .cse5 .cse9 .cse12) (and .cse0 .cse1 .cse2 .cse16 .cse20 (= ~a6~0 ~a17~0) .cse7 .cse10 .cse4) (and .cse0 .cse2 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse18 .cse10 .cse19 .cse4 .cse6) (and .cse1 .cse0 .cse2 .cse10 .cse4 .cse6) (and .cse0 .cse1 .cse16 .cse3 .cse4 .cse5) (and .cse0 .cse17 .cse20 .cse8 .cse10 .cse4) (and .cse0 .cse1 (= ~a26~0 ~a23~0) .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse12) (and .cse0 .cse1 .cse16 .cse4 .cse5 .cse9) (and .cse0 .cse8 .cse10 .cse4 .cse12))) [2021-12-17 03:33:34,502 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,502 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,502 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,502 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-12-17 03:33:34,503 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-12-17 03:33:34,503 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,503 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,503 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,503 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-12-17 03:33:34,503 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,503 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,503 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,503 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,504 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-12-17 03:33:34,505 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,506 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse14 (= 1 ~a18~0)) (.cse13 (not (= 1 ~a11~0))) (.cse15 (= 1 ~a29~0)) (.cse11 (<= 2 ~a3~0)) (.cse7 (= 0 ~a6~0)) (.cse18 (= ~a11~0 ~a6~0)) (.cse19 (= ~a15~0 1)) (.cse6 (<= ~a3~0 0)) (.cse3 (= ~a26~0 ~a19~0)) (.cse17 (not (= 1 ~a6~0))) (.cse20 (= ~a29~0 1)) (.cse2 (= ~a26~0 1)) (.cse1 (= ~a12~0 1)) (.cse16 (= ~a16~0 1)) (.cse5 (<= ~a27~0 0)) (.cse9 (= ~a3~0 1)) (.cse0 (= ~a5~0 1)) (.cse8 (<= ~a12~0 0)) (.cse10 (= ~a27~0 1)) (.cse4 (= ~a18~0 1)) (.cse12 (<= ~a11~0 0))) (or (and .cse0 .cse1 .cse2 (= ~a11~0 ~a14~0) .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse7 .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse10 .cse4 .cse11 .cse12) (and .cse0 .cse13 .cse14 .cse8 .cse10 .cse15) (and .cse0 .cse1 .cse16 .cse10 .cse4 .cse11) (and .cse0 .cse1 .cse16 .cse4 .cse5 .cse12) (and .cse0 .cse1 .cse7 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse16 .cse4 .cse5 .cse6) (and .cse0 .cse13 .cse14 .cse17 .cse8 .cse9 .cse5 .cse15) (and .cse0 .cse1 .cse18 .cse2 .cse19 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse11) (and .cse0 .cse1 .cse2 .cse17 .cse20 .cse10 .cse4 .cse11) (and .cse0 .cse2 .cse8 .cse10 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse12) (and .cse13 .cse0 .cse1 .cse10 .cse4 .cse11 .cse15) (and .cse0 .cse8 .cse7 .cse10 .cse4) (and .cse0 .cse8 .cse4 .cse5 .cse11) (and .cse0 .cse1 .cse18 .cse2 .cse16 .cse10 .cse19 .cse4) (and .cse0 .cse1 .cse4 .cse5 .cse6 .cse12) (and .cse0 .cse8 .cse10 .cse4 .cse11) (and .cse0 .cse8 .cse10 .cse4 .cse6) (and .cse0 .cse8 .cse4 .cse5 .cse9 .cse12) (and .cse0 .cse1 .cse2 .cse16 .cse20 (= ~a6~0 ~a17~0) .cse7 .cse10 .cse4) (and .cse0 .cse2 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse18 .cse10 .cse19 .cse4 .cse6) (and .cse1 .cse0 .cse2 .cse10 .cse4 .cse6) (and .cse0 .cse1 .cse16 .cse3 .cse4 .cse5) (and .cse0 .cse17 .cse20 .cse8 .cse10 .cse4) (and .cse0 .cse1 (= ~a26~0 ~a23~0) .cse4 .cse5 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse12) (and .cse0 .cse1 .cse16 .cse4 .cse5 .cse9) (and .cse0 .cse8 .cse10 .cse4 .cse12))) [2021-12-17 03:33:34,506 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,506 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,506 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,506 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,506 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-12-17 03:33:34,506 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-12-17 03:33:34,506 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-12-17 03:33:34,507 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,508 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,509 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,509 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-12-17 03:33:34,509 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,510 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-12-17 03:33:34,510 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-12-17 03:33:34,510 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-12-17 03:33:34,510 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,510 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,510 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,511 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,511 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,511 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,512 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,512 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,512 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-12-17 03:33:34,512 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,513 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-12-17 03:33:34,514 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,515 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-12-17 03:33:34,516 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,517 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,517 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:33:34,520 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:33:34,523 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 03:33:34,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:33:34 BoogieIcfgContainer [2021-12-17 03:33:34,561 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 03:33:34,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 03:33:34,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 03:33:34,562 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 03:33:34,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:32:13" (3/4) ... [2021-12-17 03:33:34,564 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 03:33:34,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 03:33:34,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 03:33:34,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 03:33:34,599 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 03:33:34,712 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 03:33:34,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 03:33:34,713 INFO L158 Benchmark]: Toolchain (without parser) took 83166.99ms. Allocated memory was 117.4MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 86.9MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. [2021-12-17 03:33:34,713 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 03:33:34,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.01ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 86.9MB in the beginning and 127.1MB in the end (delta: -40.2MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2021-12-17 03:33:34,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.14ms. Allocated memory is still 167.8MB. Free memory was 127.1MB in the beginning and 112.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 03:33:34,714 INFO L158 Benchmark]: Boogie Preprocessor took 88.87ms. Allocated memory is still 167.8MB. Free memory was 112.4MB in the beginning and 101.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 03:33:34,714 INFO L158 Benchmark]: RCFGBuilder took 1320.29ms. Allocated memory is still 167.8MB. Free memory was 101.9MB in the beginning and 77.4MB in the end (delta: 24.6MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2021-12-17 03:33:34,714 INFO L158 Benchmark]: TraceAbstraction took 80887.71ms. Allocated memory was 167.8MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 77.4MB in the beginning and 2.3GB in the end (delta: -2.3GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2021-12-17 03:33:34,714 INFO L158 Benchmark]: Witness Printer took 150.84ms. Allocated memory is still 5.9GB. Free memory was 2.3GB in the beginning and 2.3GB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-17 03:33:34,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.01ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 86.9MB in the beginning and 127.1MB in the end (delta: -40.2MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.14ms. Allocated memory is still 167.8MB. Free memory was 127.1MB in the beginning and 112.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.87ms. Allocated memory is still 167.8MB. Free memory was 112.4MB in the beginning and 101.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1320.29ms. Allocated memory is still 167.8MB. Free memory was 101.9MB in the beginning and 77.4MB in the end (delta: 24.6MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * TraceAbstraction took 80887.71ms. Allocated memory was 167.8MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 77.4MB in the beginning and 2.3GB in the end (delta: -2.3GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. * Witness Printer took 150.84ms. Allocated memory is still 5.9GB. Free memory was 2.3GB in the beginning and 2.3GB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. 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: 1612]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 80.8s, OverallIterations: 18, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 49.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6951 SdHoareTripleChecker+Valid, 11.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6951 mSDsluCounter, 3079 SdHoareTripleChecker+Invalid, 9.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 483 mSDsCounter, 1995 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14214 IncrementalHoareTripleChecker+Invalid, 16209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1995 mSolverCounterUnsat, 2596 mSDtfsCounter, 14214 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2685 GetRequests, 2626 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82938occurred in iteration=17, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 92139 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 810 NumberOfFragments, 1323 HoareAnnotationTreeSize, 3 FomulaSimplifications, 9630 FormulaSimplificationTreeSizeReduction, 22.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 65400 FormulaSimplificationTreeSizeReductionInter, 26.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 7095 NumberOfCodeBlocks, 7095 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 7504 ConstructedInterpolants, 0 QuantifiedInterpolants, 33026 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3888 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 26 InterpolantComputations, 17 PerfectInterpolantSequences, 3838/4000 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a26 == 1) && a11 == a14) && a26 == a19) && a18 == 1) && a27 <= 0) && a3 <= 0) || (((((a5 == 1 && a12 == 1) && a26 == 1) && 0 == a6) && a18 == 1) && a27 <= 0)) || (((((a5 == 1 && a12 <= 0) && 0 == a6) && a18 == 1) && a27 <= 0) && a3 == 1)) || ((((((a5 == 1 && a12 == 1) && 0 == a6) && a27 == 1) && a18 == 1) && 2 <= a3) && a11 <= 0)) || (((((a5 == 1 && !(1 == a11)) && 1 == a18) && a12 <= 0) && a27 == 1) && 1 == a29)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a27 == 1) && a18 == 1) && 2 <= a3)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a18 == 1) && a27 <= 0) && a11 <= 0)) || (((((a5 == 1 && a12 == 1) && 0 == a6) && a18 == 1) && a27 <= 0) && a3 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a18 == 1) && a27 <= 0) && a3 <= 0)) || (((((((a5 == 1 && !(1 == a11)) && 1 == a18) && !(1 == a6)) && a12 <= 0) && a3 == 1) && a27 <= 0) && 1 == a29)) || (((((((a5 == 1 && a12 == 1) && a11 == a6) && a26 == 1) && a15 == 1) && a18 == 1) && a27 <= 0) && a3 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 == 1) && a18 == 1) && a27 <= 0) && 2 <= a3)) || (((((((a5 == 1 && a12 == 1) && a26 == 1) && !(1 == a6)) && a29 == 1) && a27 == 1) && a18 == 1) && 2 <= a3)) || ((((a5 == 1 && a26 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a26 == 1) && a18 == 1) && a27 <= 0) && a11 <= 0)) || ((((((!(1 == a11) && a5 == 1) && a12 == 1) && a27 == 1) && a18 == 1) && 2 <= a3) && 1 == a29)) || ((((a5 == 1 && a12 <= 0) && 0 == a6) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a12 <= 0) && a18 == 1) && a27 <= 0) && 2 <= a3)) || (((((((a5 == 1 && a12 == 1) && a11 == a6) && a26 == 1) && a16 == 1) && a27 == 1) && a15 == 1) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a18 == 1) && a27 <= 0) && a3 <= 0) && a11 <= 0)) || ((((a5 == 1 && a12 <= 0) && a27 == 1) && a18 == 1) && 2 <= a3)) || ((((a5 == 1 && a12 <= 0) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a5 == 1 && a12 <= 0) && a18 == 1) && a27 <= 0) && a3 == 1) && a11 <= 0)) || ((((((((a5 == 1 && a12 == 1) && a26 == 1) && a16 == 1) && a29 == 1) && a6 == a17) && 0 == a6) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a26 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a11 == a6) && a27 == 1) && a15 == 1) && a18 == 1) && a3 <= 0)) || (((((a12 == 1 && a5 == 1) && a26 == 1) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a26 == a19) && a18 == 1) && a27 <= 0)) || (((((a5 == 1 && !(1 == a6)) && a29 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a26 == a23) && a18 == 1) && a27 <= 0) && a3 == 1)) || (((((a5 == 1 && a12 == 1) && a26 == 1) && a27 == 1) && a18 == 1) && a11 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a18 == 1) && a27 <= 0) && a3 == 1)) || ((((a5 == 1 && a12 <= 0) && a27 == 1) && a18 == 1) && a11 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((a5 == 1 && a12 == 1) && a26 == 1) && a11 == a14) && a26 == a19) && a18 == 1) && a27 <= 0) && a3 <= 0) || (((((a5 == 1 && a12 == 1) && a26 == 1) && 0 == a6) && a18 == 1) && a27 <= 0)) || (((((a5 == 1 && a12 <= 0) && 0 == a6) && a18 == 1) && a27 <= 0) && a3 == 1)) || ((((((a5 == 1 && a12 == 1) && 0 == a6) && a27 == 1) && a18 == 1) && 2 <= a3) && a11 <= 0)) || (((((a5 == 1 && !(1 == a11)) && 1 == a18) && a12 <= 0) && a27 == 1) && 1 == a29)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a27 == 1) && a18 == 1) && 2 <= a3)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a18 == 1) && a27 <= 0) && a11 <= 0)) || (((((a5 == 1 && a12 == 1) && 0 == a6) && a18 == 1) && a27 <= 0) && a3 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a18 == 1) && a27 <= 0) && a3 <= 0)) || (((((((a5 == 1 && !(1 == a11)) && 1 == a18) && !(1 == a6)) && a12 <= 0) && a3 == 1) && a27 <= 0) && 1 == a29)) || (((((((a5 == 1 && a12 == 1) && a11 == a6) && a26 == 1) && a15 == 1) && a18 == 1) && a27 <= 0) && a3 <= 0)) || (((((a5 == 1 && a12 == 1) && a26 == 1) && a18 == 1) && a27 <= 0) && 2 <= a3)) || (((((((a5 == 1 && a12 == 1) && a26 == 1) && !(1 == a6)) && a29 == 1) && a27 == 1) && a18 == 1) && 2 <= a3)) || ((((a5 == 1 && a26 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a26 == 1) && a18 == 1) && a27 <= 0) && a11 <= 0)) || ((((((!(1 == a11) && a5 == 1) && a12 == 1) && a27 == 1) && a18 == 1) && 2 <= a3) && 1 == a29)) || ((((a5 == 1 && a12 <= 0) && 0 == a6) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a12 <= 0) && a18 == 1) && a27 <= 0) && 2 <= a3)) || (((((((a5 == 1 && a12 == 1) && a11 == a6) && a26 == 1) && a16 == 1) && a27 == 1) && a15 == 1) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a18 == 1) && a27 <= 0) && a3 <= 0) && a11 <= 0)) || ((((a5 == 1 && a12 <= 0) && a27 == 1) && a18 == 1) && 2 <= a3)) || ((((a5 == 1 && a12 <= 0) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a5 == 1 && a12 <= 0) && a18 == 1) && a27 <= 0) && a3 == 1) && a11 <= 0)) || ((((((((a5 == 1 && a12 == 1) && a26 == 1) && a16 == 1) && a29 == 1) && a6 == a17) && 0 == a6) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a26 == 1) && a12 <= 0) && a18 == 1) && a27 <= 0)) || ((((((a5 == 1 && a12 == 1) && a11 == a6) && a27 == 1) && a15 == 1) && a18 == 1) && a3 <= 0)) || (((((a12 == 1 && a5 == 1) && a26 == 1) && a27 == 1) && a18 == 1) && a3 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a26 == a19) && a18 == 1) && a27 <= 0)) || (((((a5 == 1 && !(1 == a6)) && a29 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a12 == 1) && a26 == a23) && a18 == 1) && a27 <= 0) && a3 == 1)) || (((((a5 == 1 && a12 == 1) && a26 == 1) && a27 == 1) && a18 == 1) && a11 <= 0)) || (((((a5 == 1 && a12 == 1) && a16 == 1) && a18 == 1) && a27 <= 0) && a3 == 1)) || ((((a5 == 1 && a12 <= 0) && a27 == 1) && a18 == 1) && a11 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 03:33:34,765 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