./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label44.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 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/Problem10_label44.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 e65715203b5986c0877aee121b02f1098e69f701c6bd353eab2daeab84d5a285 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:34:40,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:34:40,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:34:40,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:34:40,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:34:40,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:34:40,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:34:40,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:34:40,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:34:40,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:34:40,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:34:40,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:34:40,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:34:40,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:34:40,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:34:40,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:34:40,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:34:40,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:34:40,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:34:40,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:34:40,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:34:40,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:34:40,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:34:40,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:34:40,106 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:34:40,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:34:40,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:34:40,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:34:40,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:34:40,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:34:40,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:34:40,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:34:40,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:34:40,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:34:40,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:34:40,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:34:40,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:34:40,113 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:34:40,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:34:40,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:34:40,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:34:40,117 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:34:40,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:34:40,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:34:40,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:34:40,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:34:40,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:34:40,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:34:40,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:34:40,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:34:40,145 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:34:40,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:34:40,146 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:34:40,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:34:40,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:34:40,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:34:40,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:34:40,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:34:40,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:34:40,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:34:40,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:34:40,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:34:40,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:34:40,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:34:40,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:34:40,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:34:40,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:34:40,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:34:40,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:34:40,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:34:40,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:34:40,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:34:40,149 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:34:40,149 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:34:40,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:34:40,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:34:40,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e65715203b5986c0877aee121b02f1098e69f701c6bd353eab2daeab84d5a285 [2021-12-15 09:34:40,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:34:40,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:34:40,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:34:40,332 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:34:40,333 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:34:40,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2021-12-15 09:34:40,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f6fdbc9/e989a05d5d1844b5b2eee68d6ab68ba6/FLAG354253707 [2021-12-15 09:34:40,803 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:34:40,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label44.c [2021-12-15 09:34:40,812 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f6fdbc9/e989a05d5d1844b5b2eee68d6ab68ba6/FLAG354253707 [2021-12-15 09:34:40,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45f6fdbc9/e989a05d5d1844b5b2eee68d6ab68ba6 [2021-12-15 09:34:40,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:34:40,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:34:40,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:34:40,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:34:40,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:34:40,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:34:40" (1/1) ... [2021-12-15 09:34:40,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6174b3dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:40, skipping insertion in model container [2021-12-15 09:34:40,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:34:40" (1/1) ... [2021-12-15 09:34:40,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:34:40,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:34:41,087 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/Problem10_label44.c[6569,6582] [2021-12-15 09:34:41,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:34:41,204 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:34:41,221 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/Problem10_label44.c[6569,6582] [2021-12-15 09:34:41,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:34:41,267 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:34:41,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41 WrapperNode [2021-12-15 09:34:41,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:34:41,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:34:41,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:34:41,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:34:41,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,372 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-12-15 09:34:41,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:34:41,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:34:41,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:34:41,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:34:41,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,441 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:34:41,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:34:41,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:34:41,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:34:41,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (1/1) ... [2021-12-15 09:34:41,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:34:41,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:34:41,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 09:34:41,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 09:34:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:34:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:34:41,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:34:41,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:34:41,636 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:34:41,638 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:34:42,267 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:34:42,276 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:34:42,277 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:34:42,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:34:42 BoogieIcfgContainer [2021-12-15 09:34:42,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:34:42,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:34:42,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:34:42,283 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:34:42,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:34:40" (1/3) ... [2021-12-15 09:34:42,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebf779b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:34:42, skipping insertion in model container [2021-12-15 09:34:42,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:34:41" (2/3) ... [2021-12-15 09:34:42,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebf779b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:34:42, skipping insertion in model container [2021-12-15 09:34:42,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:34:42" (3/3) ... [2021-12-15 09:34:42,286 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label44.c [2021-12-15 09:34:42,289 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:34:42,289 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:34:42,336 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:34:42,346 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 09:34:42,346 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:34:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-15 09:34:42,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:42,373 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] [2021-12-15 09:34:42,374 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:42,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash -66916295, now seen corresponding path program 1 times [2021-12-15 09:34:42,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:42,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596755661] [2021-12-15 09:34:42,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:42,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:42,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:42,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596755661] [2021-12-15 09:34:42,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596755661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:42,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:42,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:42,668 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630510872] [2021-12-15 09:34:42,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:42,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:34:42,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:42,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:34:42,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:34:42,694 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:43,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:43,487 INFO L93 Difference]: Finished difference Result 696 states and 1248 transitions. [2021-12-15 09:34:43,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:34:43,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 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 57 [2021-12-15 09:34:43,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:43,503 INFO L225 Difference]: With dead ends: 696 [2021-12-15 09:34:43,503 INFO L226 Difference]: Without dead ends: 421 [2021-12-15 09:34:43,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:34:43,512 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 452 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 689 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:43,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [452 Valid, 44 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 689 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:34:43,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-12-15 09:34:43,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-12-15 09:34:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3833333333333333) internal successors, (581), 420 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2021-12-15 09:34:43,570 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 57 [2021-12-15 09:34:43,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:43,570 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2021-12-15 09:34:43,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2021-12-15 09:34:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-15 09:34:43,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:43,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:43,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:34:43,574 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:43,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:43,575 INFO L85 PathProgramCache]: Analyzing trace with hash 920423616, now seen corresponding path program 1 times [2021-12-15 09:34:43,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:43,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78210865] [2021-12-15 09:34:43,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:43,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:43,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:43,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78210865] [2021-12-15 09:34:43,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78210865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:43,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:43,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:43,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304706519] [2021-12-15 09:34:43,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:43,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:34:43,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:43,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:34:43,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:34:43,708 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:44,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:44,260 INFO L93 Difference]: Finished difference Result 1000 states and 1460 transitions. [2021-12-15 09:34:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:34:44,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 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 132 [2021-12-15 09:34:44,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:44,265 INFO L225 Difference]: With dead ends: 1000 [2021-12-15 09:34:44,265 INFO L226 Difference]: Without dead ends: 701 [2021-12-15 09:34:44,266 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:34:44,267 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 70 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:44,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 87 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:34:44,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2021-12-15 09:34:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 699. [2021-12-15 09:34:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.4426934097421202) internal successors, (1007), 698 states have internal predecessors, (1007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1007 transitions. [2021-12-15 09:34:44,284 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1007 transitions. Word has length 132 [2021-12-15 09:34:44,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:44,285 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 1007 transitions. [2021-12-15 09:34:44,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:44,285 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1007 transitions. [2021-12-15 09:34:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-12-15 09:34:44,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:44,291 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, 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] [2021-12-15 09:34:44,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:34:44,291 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:44,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:44,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1109394370, now seen corresponding path program 1 times [2021-12-15 09:34:44,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:44,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433955035] [2021-12-15 09:34:44,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:44,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-15 09:34:44,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:44,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433955035] [2021-12-15 09:34:44,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433955035] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:44,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:44,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:34:44,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259115980] [2021-12-15 09:34:44,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:44,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:44,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:44,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:44,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:44,410 INFO L87 Difference]: Start difference. First operand 699 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:44,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:44,776 INFO L93 Difference]: Finished difference Result 1535 states and 2291 transitions. [2021-12-15 09:34:44,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:44,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 192 [2021-12-15 09:34:44,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:44,780 INFO L225 Difference]: With dead ends: 1535 [2021-12-15 09:34:44,780 INFO L226 Difference]: Without dead ends: 977 [2021-12-15 09:34:44,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:44,782 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 107 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:44,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 34 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:44,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-12-15 09:34:44,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2021-12-15 09:34:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.3616803278688525) internal successors, (1329), 976 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1329 transitions. [2021-12-15 09:34:44,814 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1329 transitions. Word has length 192 [2021-12-15 09:34:44,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:44,814 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1329 transitions. [2021-12-15 09:34:44,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1329 transitions. [2021-12-15 09:34:44,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-12-15 09:34:44,818 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:44,818 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, 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] [2021-12-15 09:34:44,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:34:44,818 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:44,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:44,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1509509267, now seen corresponding path program 1 times [2021-12-15 09:34:44,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:44,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765645765] [2021-12-15 09:34:44,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:44,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:44,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:44,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765645765] [2021-12-15 09:34:44,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765645765] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:44,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:44,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:44,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638348829] [2021-12-15 09:34:44,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:44,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:44,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:44,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:44,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:44,886 INFO L87 Difference]: Start difference. First operand 977 states and 1329 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:45,240 INFO L93 Difference]: Finished difference Result 2369 states and 3269 transitions. [2021-12-15 09:34:45,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:45,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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 198 [2021-12-15 09:34:45,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:45,256 INFO L225 Difference]: With dead ends: 2369 [2021-12-15 09:34:45,256 INFO L226 Difference]: Without dead ends: 1533 [2021-12-15 09:34:45,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:45,258 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 69 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:45,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 215 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:45,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2021-12-15 09:34:45,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1255. [2021-12-15 09:34:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.2974481658692185) internal successors, (1627), 1254 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:45,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1627 transitions. [2021-12-15 09:34:45,303 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1627 transitions. Word has length 198 [2021-12-15 09:34:45,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:45,304 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1627 transitions. [2021-12-15 09:34:45,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:45,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1627 transitions. [2021-12-15 09:34:45,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-12-15 09:34:45,321 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:45,321 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, 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] [2021-12-15 09:34:45,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:34:45,321 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:45,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:45,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1849716728, now seen corresponding path program 1 times [2021-12-15 09:34:45,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:45,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343171562] [2021-12-15 09:34:45,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:45,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-15 09:34:45,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:45,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343171562] [2021-12-15 09:34:45,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343171562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:45,567 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:45,567 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-15 09:34:45,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427854810] [2021-12-15 09:34:45,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:45,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-15 09:34:45,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:45,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-15 09:34:45,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:34:45,568 INFO L87 Difference]: Start difference. First operand 1255 states and 1627 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:46,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:46,090 INFO L93 Difference]: Finished difference Result 2431 states and 3171 transitions. [2021-12-15 09:34:46,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 09:34:46,091 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 6 states have internal predecessors, (167), 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 231 [2021-12-15 09:34:46,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:46,094 INFO L225 Difference]: With dead ends: 2431 [2021-12-15 09:34:46,095 INFO L226 Difference]: Without dead ends: 1255 [2021-12-15 09:34:46,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:34:46,099 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 154 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:46,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 36 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:34:46,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-12-15 09:34:46,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2021-12-15 09:34:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.2862838915470494) internal successors, (1613), 1254 states have internal predecessors, (1613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1613 transitions. [2021-12-15 09:34:46,119 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1613 transitions. Word has length 231 [2021-12-15 09:34:46,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:46,120 INFO L470 AbstractCegarLoop]: Abstraction has 1255 states and 1613 transitions. [2021-12-15 09:34:46,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:46,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1613 transitions. [2021-12-15 09:34:46,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-15 09:34:46,124 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:46,125 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:46,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:34:46,125 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:46,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:46,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1827292479, now seen corresponding path program 1 times [2021-12-15 09:34:46,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:46,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488077734] [2021-12-15 09:34:46,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:46,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:46,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:46,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488077734] [2021-12-15 09:34:46,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488077734] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:46,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:46,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:34:46,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284152511] [2021-12-15 09:34:46,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:46,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:46,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:46,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:46,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:46,218 INFO L87 Difference]: Start difference. First operand 1255 states and 1613 transitions. Second operand has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:46,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:46,569 INFO L93 Difference]: Finished difference Result 2925 states and 3853 transitions. [2021-12-15 09:34:46,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:46,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 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 254 [2021-12-15 09:34:46,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:46,575 INFO L225 Difference]: With dead ends: 2925 [2021-12-15 09:34:46,575 INFO L226 Difference]: Without dead ends: 1811 [2021-12-15 09:34:46,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:46,580 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 68 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:46,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 189 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:46,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2021-12-15 09:34:46,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1533. [2021-12-15 09:34:46,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1533 states, 1532 states have (on average 1.2284595300261096) internal successors, (1882), 1532 states have internal predecessors, (1882), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:46,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1882 transitions. [2021-12-15 09:34:46,618 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1882 transitions. Word has length 254 [2021-12-15 09:34:46,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:46,618 INFO L470 AbstractCegarLoop]: Abstraction has 1533 states and 1882 transitions. [2021-12-15 09:34:46,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.66666666666667) internal successors, (254), 3 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:46,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1882 transitions. [2021-12-15 09:34:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-12-15 09:34:46,621 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:46,621 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:46,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 09:34:46,621 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:46,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:46,622 INFO L85 PathProgramCache]: Analyzing trace with hash -975655503, now seen corresponding path program 1 times [2021-12-15 09:34:46,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:46,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964378138] [2021-12-15 09:34:46,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:46,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-12-15 09:34:46,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:46,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964378138] [2021-12-15 09:34:46,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964378138] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:46,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:34:46,719 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:34:46,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581472360] [2021-12-15 09:34:46,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:46,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:46,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:46,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:46,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:46,720 INFO L87 Difference]: Start difference. First operand 1533 states and 1882 transitions. 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) [2021-12-15 09:34:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:47,103 INFO L93 Difference]: Finished difference Result 3203 states and 3992 transitions. [2021-12-15 09:34:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:47,104 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 273 [2021-12-15 09:34:47,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:47,109 INFO L225 Difference]: With dead ends: 3203 [2021-12-15 09:34:47,110 INFO L226 Difference]: Without dead ends: 1811 [2021-12-15 09:34:47,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:34:47,113 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 13 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:47,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 75 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:34:47,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2021-12-15 09:34:47,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2021-12-15 09:34:47,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 1.1729281767955801) internal successors, (2123), 1810 states have internal predecessors, (2123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2123 transitions. [2021-12-15 09:34:47,139 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2123 transitions. Word has length 273 [2021-12-15 09:34:47,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:47,139 INFO L470 AbstractCegarLoop]: Abstraction has 1811 states and 2123 transitions. [2021-12-15 09:34:47,139 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) [2021-12-15 09:34:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2123 transitions. [2021-12-15 09:34:47,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-12-15 09:34:47,142 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:47,142 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:47,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 09:34:47,143 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:47,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:47,144 INFO L85 PathProgramCache]: Analyzing trace with hash 527075250, now seen corresponding path program 1 times [2021-12-15 09:34:47,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:47,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089161078] [2021-12-15 09:34:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:47,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 285 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:47,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:47,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089161078] [2021-12-15 09:34:47,322 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089161078] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:34:47,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424474936] [2021-12-15 09:34:47,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:47,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:34:47,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:34:47,324 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:34:47,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 09:34:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:47,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 09:34:47,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:34:47,932 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 294 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:47,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 09:34:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 294 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:34:48,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424474936] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 09:34:48,786 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 09:34:48,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2021-12-15 09:34:48,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139382740] [2021-12-15 09:34:48,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 09:34:48,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-15 09:34:48,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:48,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-15 09:34:48,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-12-15 09:34:48,789 INFO L87 Difference]: Start difference. First operand 1811 states and 2123 transitions. Second operand has 10 states, 10 states have (on average 68.1) internal successors, (681), 10 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:52,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:52,541 INFO L93 Difference]: Finished difference Result 7375 states and 8786 transitions. [2021-12-15 09:34:52,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-15 09:34:52,542 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 68.1) internal successors, (681), 10 states have internal predecessors, (681), 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 280 [2021-12-15 09:34:52,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:52,555 INFO L225 Difference]: With dead ends: 7375 [2021-12-15 09:34:52,555 INFO L226 Difference]: Without dead ends: 5705 [2021-12-15 09:34:52,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=342, Unknown=0, NotChecked=0, Total=506 [2021-12-15 09:34:52,557 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 1542 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4004 mSolverCounterSat, 715 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1542 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 4719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 715 IncrementalHoareTripleChecker+Valid, 4004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:52,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1542 Valid, 81 Invalid, 4719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [715 Valid, 4004 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-15 09:34:52,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5705 states. [2021-12-15 09:34:52,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5705 to 2923. [2021-12-15 09:34:52,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2923 states, 2922 states have (on average 1.1697467488021902) internal successors, (3418), 2922 states have internal predecessors, (3418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2923 states and 3418 transitions. [2021-12-15 09:34:52,612 INFO L78 Accepts]: Start accepts. Automaton has 2923 states and 3418 transitions. Word has length 280 [2021-12-15 09:34:52,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:52,612 INFO L470 AbstractCegarLoop]: Abstraction has 2923 states and 3418 transitions. [2021-12-15 09:34:52,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 68.1) internal successors, (681), 10 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3418 transitions. [2021-12-15 09:34:52,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-15 09:34:52,616 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:34:52,616 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:52,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 09:34:52,832 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 [2021-12-15 09:34:52,833 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:34:52,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:34:52,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1406584506, now seen corresponding path program 1 times [2021-12-15 09:34:52,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:34:52,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838147101] [2021-12-15 09:34:52,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:52,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:34:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 41 proven. 68 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-12-15 09:34:52,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:34:52,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838147101] [2021-12-15 09:34:52,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838147101] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:34:52,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076738291] [2021-12-15 09:34:52,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:34:52,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:34:52,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:34:52,984 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:34:52,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 09:34:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:34:53,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:34:53,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:34:53,416 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-12-15 09:34:53,416 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:34:53,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076738291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:34:53,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:34:53,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-15 09:34:53,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55129725] [2021-12-15 09:34:53,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:34:53,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:34:53,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:34:53,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:34:53,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:34:53,418 INFO L87 Difference]: Start difference. First operand 2923 states and 3418 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:53,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:34:53,738 INFO L93 Difference]: Finished difference Result 5703 states and 6690 transitions. [2021-12-15 09:34:53,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:34:53,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 305 [2021-12-15 09:34:53,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:34:53,739 INFO L225 Difference]: With dead ends: 5703 [2021-12-15 09:34:53,739 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:34:53,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:34:53,744 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 85 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:34:53,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 221 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:34:53,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:34:53,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:34:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:53,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:34:53,745 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2021-12-15 09:34:53,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:34:53,746 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:34:53,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:34:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:34:53,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:34:53,748 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:34:53,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 09:34:53,966 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 [2021-12-15 09:34:53,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,410 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-12-15 09:34:54,411 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,412 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,413 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-12-15 09:34:54,414 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-15 09:34:54,415 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L854 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse3 (= ~a10~0 1)) (.cse4 (= ~a10~0 0)) (.cse0 (= ~a4~0 14)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9)) (.cse5 (not (= ~a19~0 8)))) (or (and .cse0 (= 2 ~a10~0) .cse1 .cse2) (and .cse0 (< 218 ~a1~0) .cse1 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse0 .cse1 .cse3 .cse5) (and .cse0 .cse1 (<= 4 ~a10~0) .cse2) (and .cse0 .cse4 .cse1 (<= 23 ~a1~0)) (and .cse0 .cse1 .cse2 .cse5))) [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-12-15 09:34:54,416 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L861 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,417 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L854 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse3 (= ~a10~0 1)) (.cse4 (= ~a10~0 0)) (.cse0 (= ~a4~0 14)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9)) (.cse5 (not (= ~a19~0 8)))) (or (and .cse0 (= 2 ~a10~0) .cse1 .cse2) (and .cse0 (< 218 ~a1~0) .cse1 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse0 .cse1 .cse3 .cse5) (and .cse0 .cse1 (<= 4 ~a10~0) .cse2) (and .cse0 .cse4 .cse1 (<= 23 ~a1~0)) (and .cse0 .cse1 .cse2 .cse5))) [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,418 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,419 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,419 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-12-15 09:34:54,419 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,419 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,419 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-12-15 09:34:54,419 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-12-15 09:34:54,419 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-12-15 09:34:54,421 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-15 09:34:54,421 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-15 09:34:54,421 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-15 09:34:54,421 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-15 09:34:54,421 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-15 09:34:54,422 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-12-15 09:34:54,422 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:34:54,422 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2021-12-15 09:34:54,422 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-12-15 09:34:54,422 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-12-15 09:34:54,422 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-12-15 09:34:54,422 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-12-15 09:34:54,422 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-15 09:34:54,423 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-15 09:34:54,424 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-15 09:34:54,424 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-15 09:34:54,424 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-15 09:34:54,424 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-15 09:34:54,426 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:34:54,427 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:34:54,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:34:54 BoogieIcfgContainer [2021-12-15 09:34:54,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:34:54,451 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:34:54,451 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:34:54,451 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:34:54,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:34:42" (3/4) ... [2021-12-15 09:34:54,465 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:34:54,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 09:34:54,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:34:54,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:34:54,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:34:54,544 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:34:54,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:34:54,544 INFO L158 Benchmark]: Toolchain (without parser) took 13718.94ms. Allocated memory was 94.4MB in the beginning and 268.4MB in the end (delta: 174.1MB). Free memory was 66.1MB in the beginning and 96.2MB in the end (delta: -30.1MB). Peak memory consumption was 143.9MB. Max. memory is 16.1GB. [2021-12-15 09:34:54,544 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:34:54,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.79ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 55.4MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 09:34:54,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.83ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 55.4MB in the beginning and 119.4MB in the end (delta: -63.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2021-12-15 09:34:54,545 INFO L158 Benchmark]: Boogie Preprocessor took 81.48ms. Allocated memory is still 144.7MB. Free memory was 119.4MB in the beginning and 114.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 09:34:54,545 INFO L158 Benchmark]: RCFGBuilder took 821.40ms. Allocated memory is still 144.7MB. Free memory was 114.2MB in the beginning and 57.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2021-12-15 09:34:54,545 INFO L158 Benchmark]: TraceAbstraction took 12169.74ms. Allocated memory was 144.7MB in the beginning and 268.4MB in the end (delta: 123.7MB). Free memory was 56.5MB in the beginning and 110.9MB in the end (delta: -54.3MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2021-12-15 09:34:54,546 INFO L158 Benchmark]: Witness Printer took 93.24ms. Allocated memory is still 268.4MB. Free memory was 110.9MB in the beginning and 96.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 09:34:54,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 94.4MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.79ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 55.4MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.83ms. Allocated memory was 94.4MB in the beginning and 144.7MB in the end (delta: 50.3MB). Free memory was 55.4MB in the beginning and 119.4MB in the end (delta: -63.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.48ms. Allocated memory is still 144.7MB. Free memory was 119.4MB in the beginning and 114.2MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 821.40ms. Allocated memory is still 144.7MB. Free memory was 114.2MB in the beginning and 57.6MB in the end (delta: 56.6MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * TraceAbstraction took 12169.74ms. Allocated memory was 144.7MB in the beginning and 268.4MB in the end (delta: 123.7MB). Free memory was 56.5MB in the beginning and 110.9MB in the end (delta: -54.3MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. * Witness Printer took 93.24ms. Allocated memory is still 268.4MB. Free memory was 110.9MB in the beginning and 96.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 185]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.1s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2560 SdHoareTripleChecker+Valid, 6.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2560 mSDsluCounter, 982 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 138 mSDsCounter, 1365 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8103 IncrementalHoareTripleChecker+Invalid, 9468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1365 mSolverCounterUnsat, 844 mSDtfsCounter, 8103 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 923 GetRequests, 883 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2923occurred in iteration=8, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 3340 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 54 NumberOfFragments, 191 HoareAnnotationTreeSize, 3 FomulaSimplifications, 192 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2520 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2507 NumberOfCodeBlocks, 2507 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2775 ConstructedInterpolants, 0 QuantifiedInterpolants, 13466 SizeOfPredicates, 1 NumberOfNonLiveVariables, 839 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 2207/2509 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: 592]: Loop Invariant Derived loop invariant: ((((((((a4 == 14 && 2 == a10) && a12 == 0) && a19 <= 9) || (((a4 == 14 && 218 < a1) && a12 == 0) && a10 == 1)) || (((a4 == 14 && a10 == 0) && a12 == 0) && !(a19 == 8))) || (((a4 == 14 && a12 == 0) && a10 == 1) && !(a19 == 8))) || (((a4 == 14 && a12 == 0) && 4 <= a10) && a19 <= 9)) || (((a4 == 14 && a10 == 0) && a12 == 0) && 23 <= a1)) || (((a4 == 14 && a12 == 0) && a19 <= 9) && !(a19 == 8)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((a4 == 14 && 2 == a10) && a12 == 0) && a19 <= 9) || (((a4 == 14 && 218 < a1) && a12 == 0) && a10 == 1)) || (((a4 == 14 && a10 == 0) && a12 == 0) && !(a19 == 8))) || (((a4 == 14 && a12 == 0) && a10 == 1) && !(a19 == 8))) || (((a4 == 14 && a12 == 0) && 4 <= a10) && a19 <= 9)) || (((a4 == 14 && a10 == 0) && a12 == 0) && 23 <= a1)) || (((a4 == 14 && a12 == 0) && a19 <= 9) && !(a19 == 8)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-15 09:34:54,560 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