./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label33.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/Problem03_label33.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 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:05:04,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:05:04,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:05:04,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:05:04,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:05:04,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:05:04,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:05:04,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:05:04,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:05:04,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:05:04,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:05:04,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:05:04,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:05:04,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:05:04,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:05:04,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:05:04,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:05:04,980 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:05:04,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:05:04,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:05:04,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:05:04,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:05:04,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:05:04,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:05:04,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:05:04,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:05:04,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:05:04,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:05:04,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:05:04,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:05:04,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:05:04,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:05:04,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:05:05,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:05:05,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:05:05,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:05:05,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:05:05,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:05:05,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:05:05,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:05:05,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:05:05,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:05:05,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:05:05,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:05:05,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:05:05,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:05:05,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:05:05,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:05:05,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:05:05,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:05:05,033 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:05:05,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:05:05,034 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:05:05,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:05:05,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:05:05,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:05:05,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:05:05,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:05:05,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:05:05,035 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:05:05,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:05:05,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:05:05,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:05:05,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:05:05,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:05:05,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:05:05,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:05:05,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:05:05,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:05:05,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:05:05,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:05:05,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:05:05,038 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:05:05,038 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:05:05,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:05:05,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:05:05,039 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 [2021-12-15 09:05:05,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:05:05,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:05:05,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:05:05,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:05:05,254 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:05:05,255 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-12-15 09:05:05,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ddecbcd/906baf19229f4d40beceda60a9aa6f57/FLAG5605af8d7 [2021-12-15 09:05:05,745 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:05:05,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-12-15 09:05:05,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ddecbcd/906baf19229f4d40beceda60a9aa6f57/FLAG5605af8d7 [2021-12-15 09:05:06,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0ddecbcd/906baf19229f4d40beceda60a9aa6f57 [2021-12-15 09:05:06,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:05:06,053 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:05:06,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:05:06,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:05:06,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:05:06,059 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d11f318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06, skipping insertion in model container [2021-12-15 09:05:06,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:05:06,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:05:06,598 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2021-12-15 09:05:06,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:05:06,640 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:05:06,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2021-12-15 09:05:06,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:05:06,783 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:05:06,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06 WrapperNode [2021-12-15 09:05:06,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:05:06,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:05:06,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:05:06,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:05:06,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,906 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-12-15 09:05:06,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:05:06,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:05:06,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:05:06,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:05:06,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:06,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:05:06,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:05:06,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:05:06,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:05:06,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (1/1) ... [2021-12-15 09:05:07,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:05:07,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:05:07,037 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 09:05:07,043 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 09:05:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:05:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:05:07,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:05:07,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:05:07,127 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:05:07,128 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:05:08,163 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:05:08,169 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:05:08,169 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:05:08,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:05:08 BoogieIcfgContainer [2021-12-15 09:05:08,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:05:08,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:05:08,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:05:08,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:05:08,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:05:06" (1/3) ... [2021-12-15 09:05:08,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8e518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:05:08, skipping insertion in model container [2021-12-15 09:05:08,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:05:06" (2/3) ... [2021-12-15 09:05:08,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8e518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:05:08, skipping insertion in model container [2021-12-15 09:05:08,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:05:08" (3/3) ... [2021-12-15 09:05:08,176 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2021-12-15 09:05:08,179 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:05:08,179 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:05:08,206 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:05:08,210 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 09:05:08,210 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:05:08,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:05:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-15 09:05:08,230 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:08,231 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:08,231 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:08,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:08,234 INFO L85 PathProgramCache]: Analyzing trace with hash 263676051, now seen corresponding path program 1 times [2021-12-15 09:05:08,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:08,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928102377] [2021-12-15 09:05:08,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:08,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:08,597 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 09:05:08,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:08,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928102377] [2021-12-15 09:05:08,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928102377] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:08,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:08,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:05:08,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13150349] [2021-12-15 09:05:08,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:08,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:08,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:08,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:08,628 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 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 09:05:09,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:09,390 INFO L93 Difference]: Finished difference Result 829 states and 1478 transitions. [2021-12-15 09:05:09,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:09,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 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 159 [2021-12-15 09:05:09,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:09,410 INFO L225 Difference]: With dead ends: 829 [2021-12-15 09:05:09,411 INFO L226 Difference]: Without dead ends: 463 [2021-12-15 09:05:09,414 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 09:05:09,416 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 132 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:09,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 127 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:05:09,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-12-15 09:05:09,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2021-12-15 09:05:09,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.6183035714285714) internal successors, (725), 448 states have internal predecessors, (725), 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 09:05:09,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2021-12-15 09:05:09,475 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 159 [2021-12-15 09:05:09,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:09,476 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2021-12-15 09:05:09,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 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 09:05:09,476 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2021-12-15 09:05:09,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-15 09:05:09,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:09,478 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:09,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:05:09,479 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:09,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:09,480 INFO L85 PathProgramCache]: Analyzing trace with hash 2003484099, now seen corresponding path program 1 times [2021-12-15 09:05:09,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:09,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102050899] [2021-12-15 09:05:09,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:09,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:05:09,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:09,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102050899] [2021-12-15 09:05:09,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102050899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:09,558 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:09,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:05:09,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878686672] [2021-12-15 09:05:09,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:09,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:09,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:09,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:09,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:09,561 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 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 09:05:10,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:10,219 INFO L93 Difference]: Finished difference Result 1321 states and 2146 transitions. [2021-12-15 09:05:10,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:10,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 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 164 [2021-12-15 09:05:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:10,226 INFO L225 Difference]: With dead ends: 1321 [2021-12-15 09:05:10,226 INFO L226 Difference]: Without dead ends: 874 [2021-12-15 09:05:10,228 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 09:05:10,229 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 265 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:10,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 133 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:05:10,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-12-15 09:05:10,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 868. [2021-12-15 09:05:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.532871972318339) internal successors, (1329), 867 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 09:05:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1329 transitions. [2021-12-15 09:05:10,253 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1329 transitions. Word has length 164 [2021-12-15 09:05:10,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:10,253 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 1329 transitions. [2021-12-15 09:05:10,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 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 09:05:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1329 transitions. [2021-12-15 09:05:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-15 09:05:10,258 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:10,258 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:10,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:05:10,258 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:10,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:10,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1355165481, now seen corresponding path program 1 times [2021-12-15 09:05:10,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:10,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024874291] [2021-12-15 09:05:10,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:10,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:10,327 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:05:10,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:10,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024874291] [2021-12-15 09:05:10,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024874291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:10,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:10,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:05:10,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436028136] [2021-12-15 09:05:10,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:10,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:10,328 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:10,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:10,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:10,329 INFO L87 Difference]: Start difference. First operand 868 states and 1329 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 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 09:05:10,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:10,615 INFO L93 Difference]: Finished difference Result 1710 states and 2622 transitions. [2021-12-15 09:05:10,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:10,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 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 172 [2021-12-15 09:05:10,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:10,618 INFO L225 Difference]: With dead ends: 1710 [2021-12-15 09:05:10,618 INFO L226 Difference]: Without dead ends: 844 [2021-12-15 09:05:10,619 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 09:05:10,620 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:10,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:05:10,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2021-12-15 09:05:10,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 844. [2021-12-15 09:05:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 843 states have (on average 1.4768683274021353) internal successors, (1245), 843 states have internal predecessors, (1245), 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 09:05:10,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1245 transitions. [2021-12-15 09:05:10,638 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1245 transitions. Word has length 172 [2021-12-15 09:05:10,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:10,638 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 1245 transitions. [2021-12-15 09:05:10,638 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 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 09:05:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1245 transitions. [2021-12-15 09:05:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-15 09:05:10,640 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:10,640 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:10,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:05:10,641 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:10,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:10,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1295948983, now seen corresponding path program 1 times [2021-12-15 09:05:10,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:10,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153347940] [2021-12-15 09:05:10,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:10,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-15 09:05:10,685 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:10,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153347940] [2021-12-15 09:05:10,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153347940] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:10,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:10,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:05:10,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806166403] [2021-12-15 09:05:10,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:10,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:10,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:10,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:10,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:10,687 INFO L87 Difference]: Start difference. First operand 844 states and 1245 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 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 09:05:11,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:11,241 INFO L93 Difference]: Finished difference Result 2514 states and 3715 transitions. [2021-12-15 09:05:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:11,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2021-12-15 09:05:11,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:11,246 INFO L225 Difference]: With dead ends: 2514 [2021-12-15 09:05:11,247 INFO L226 Difference]: Without dead ends: 1672 [2021-12-15 09:05:11,248 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 09:05:11,249 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 231 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:11,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 100 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:05:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-12-15 09:05:11,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1669. [2021-12-15 09:05:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1668 states have (on average 1.40947242206235) internal successors, (2351), 1668 states have internal predecessors, (2351), 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 09:05:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2351 transitions. [2021-12-15 09:05:11,275 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2351 transitions. Word has length 173 [2021-12-15 09:05:11,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:11,275 INFO L470 AbstractCegarLoop]: Abstraction has 1669 states and 2351 transitions. [2021-12-15 09:05:11,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 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 09:05:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2351 transitions. [2021-12-15 09:05:11,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-15 09:05:11,278 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:11,278 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:11,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:05:11,279 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:11,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:11,279 INFO L85 PathProgramCache]: Analyzing trace with hash -995277155, now seen corresponding path program 1 times [2021-12-15 09:05:11,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:11,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730966025] [2021-12-15 09:05:11,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:11,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-15 09:05:11,330 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:11,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730966025] [2021-12-15 09:05:11,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730966025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:11,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:11,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:05:11,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004339817] [2021-12-15 09:05:11,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:11,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:11,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:11,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:11,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:11,332 INFO L87 Difference]: Start difference. First operand 1669 states and 2351 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 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 09:05:11,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:11,983 INFO L93 Difference]: Finished difference Result 4165 states and 5847 transitions. [2021-12-15 09:05:11,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:11,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 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 174 [2021-12-15 09:05:11,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:11,991 INFO L225 Difference]: With dead ends: 4165 [2021-12-15 09:05:11,991 INFO L226 Difference]: Without dead ends: 2498 [2021-12-15 09:05:11,993 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 09:05:11,994 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 211 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:11,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 120 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:05:11,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2021-12-15 09:05:12,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2495. [2021-12-15 09:05:12,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2494 states have (on average 1.3893344025661587) internal successors, (3465), 2494 states have internal predecessors, (3465), 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 09:05:12,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3465 transitions. [2021-12-15 09:05:12,033 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3465 transitions. Word has length 174 [2021-12-15 09:05:12,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:12,033 INFO L470 AbstractCegarLoop]: Abstraction has 2495 states and 3465 transitions. [2021-12-15 09:05:12,034 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 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 09:05:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3465 transitions. [2021-12-15 09:05:12,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-15 09:05:12,038 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:12,039 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:12,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 09:05:12,039 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:12,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:12,040 INFO L85 PathProgramCache]: Analyzing trace with hash 372167000, now seen corresponding path program 1 times [2021-12-15 09:05:12,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:12,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909996259] [2021-12-15 09:05:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:12,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-15 09:05:12,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:12,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909996259] [2021-12-15 09:05:12,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909996259] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:12,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:12,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:05:12,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142847573] [2021-12-15 09:05:12,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:12,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:12,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:12,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:12,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:12,111 INFO L87 Difference]: Start difference. First operand 2495 states and 3465 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 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 09:05:12,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:12,664 INFO L93 Difference]: Finished difference Result 7443 states and 10339 transitions. [2021-12-15 09:05:12,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:12,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 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 176 [2021-12-15 09:05:12,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:12,677 INFO L225 Difference]: With dead ends: 7443 [2021-12-15 09:05:12,677 INFO L226 Difference]: Without dead ends: 4950 [2021-12-15 09:05:12,683 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 09:05:12,685 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 229 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:12,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 110 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:05:12,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4950 states. [2021-12-15 09:05:12,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4950 to 4948. [2021-12-15 09:05:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4948 states, 4947 states have (on average 1.3418233272690518) internal successors, (6638), 4947 states have internal predecessors, (6638), 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 09:05:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4948 states to 4948 states and 6638 transitions. [2021-12-15 09:05:12,756 INFO L78 Accepts]: Start accepts. Automaton has 4948 states and 6638 transitions. Word has length 176 [2021-12-15 09:05:12,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:12,756 INFO L470 AbstractCegarLoop]: Abstraction has 4948 states and 6638 transitions. [2021-12-15 09:05:12,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 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 09:05:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 4948 states and 6638 transitions. [2021-12-15 09:05:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-15 09:05:12,761 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:12,762 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:12,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 09:05:12,762 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:12,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:12,763 INFO L85 PathProgramCache]: Analyzing trace with hash 538246738, now seen corresponding path program 1 times [2021-12-15 09:05:12,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:12,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921482833] [2021-12-15 09:05:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:12,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:05:12,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:12,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921482833] [2021-12-15 09:05:12,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921482833] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:05:12,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614236696] [2021-12-15 09:05:12,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:12,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:12,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:05:12,822 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 09:05:12,846 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 09:05:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:12,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:05:12,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:05:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-15 09:05:13,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:05:13,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614236696] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:13,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:05:13,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-15 09:05:13,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059179727] [2021-12-15 09:05:13,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:13,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:13,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:13,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:13,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:05:13,307 INFO L87 Difference]: Start difference. First operand 4948 states and 6638 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 09:05:14,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:14,033 INFO L93 Difference]: Finished difference Result 13954 states and 18783 transitions. [2021-12-15 09:05:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:14,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 181 [2021-12-15 09:05:14,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:14,059 INFO L225 Difference]: With dead ends: 13954 [2021-12-15 09:05:14,059 INFO L226 Difference]: Without dead ends: 9008 [2021-12-15 09:05:14,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:05:14,068 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 210 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:14,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 376 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-15 09:05:14,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9008 states. [2021-12-15 09:05:14,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9008 to 9006. [2021-12-15 09:05:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9006 states, 9005 states have (on average 1.224541921154914) internal successors, (11027), 9005 states have internal predecessors, (11027), 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 09:05:14,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9006 states to 9006 states and 11027 transitions. [2021-12-15 09:05:14,262 INFO L78 Accepts]: Start accepts. Automaton has 9006 states and 11027 transitions. Word has length 181 [2021-12-15 09:05:14,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:14,262 INFO L470 AbstractCegarLoop]: Abstraction has 9006 states and 11027 transitions. [2021-12-15 09:05:14,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 09:05:14,262 INFO L276 IsEmpty]: Start isEmpty. Operand 9006 states and 11027 transitions. [2021-12-15 09:05:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-15 09:05:14,281 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:14,281 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:14,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-15 09:05:14,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:14,482 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:14,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:14,483 INFO L85 PathProgramCache]: Analyzing trace with hash -802689500, now seen corresponding path program 1 times [2021-12-15 09:05:14,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:14,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183042471] [2021-12-15 09:05:14,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:14,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:14,539 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:05:14,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:14,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183042471] [2021-12-15 09:05:14,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183042471] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:14,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:14,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:05:14,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654958573] [2021-12-15 09:05:14,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:14,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:14,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:14,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:14,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:14,541 INFO L87 Difference]: Start difference. First operand 9006 states and 11027 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 09:05:15,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:15,218 INFO L93 Difference]: Finished difference Result 22111 states and 27155 transitions. [2021-12-15 09:05:15,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:15,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 200 [2021-12-15 09:05:15,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:15,252 INFO L225 Difference]: With dead ends: 22111 [2021-12-15 09:05:15,252 INFO L226 Difference]: Without dead ends: 13107 [2021-12-15 09:05:15,262 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 09:05:15,263 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 186 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:15,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 146 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:05:15,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13107 states. [2021-12-15 09:05:15,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13107 to 13104. [2021-12-15 09:05:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13104 states, 13103 states have (on average 1.2226207738685797) internal successors, (16020), 13103 states have internal predecessors, (16020), 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 09:05:15,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13104 states to 13104 states and 16020 transitions. [2021-12-15 09:05:15,482 INFO L78 Accepts]: Start accepts. Automaton has 13104 states and 16020 transitions. Word has length 200 [2021-12-15 09:05:15,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:15,482 INFO L470 AbstractCegarLoop]: Abstraction has 13104 states and 16020 transitions. [2021-12-15 09:05:15,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 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 09:05:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 13104 states and 16020 transitions. [2021-12-15 09:05:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-15 09:05:15,496 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:15,496 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:15,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:05:15,496 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:15,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:15,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1201761841, now seen corresponding path program 1 times [2021-12-15 09:05:15,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:15,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514455790] [2021-12-15 09:05:15,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:15,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:15,564 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:05:15,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:15,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514455790] [2021-12-15 09:05:15,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514455790] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:05:15,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726026976] [2021-12-15 09:05:15,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:15,565 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:15,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:05:15,584 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 09:05:15,650 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 09:05:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:15,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:05:15,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:05:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-15 09:05:16,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:05:16,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726026976] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:16,095 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:05:16,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-15 09:05:16,095 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062320611] [2021-12-15 09:05:16,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:16,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:16,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:16,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:16,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:05:16,096 INFO L87 Difference]: Start difference. First operand 13104 states and 16020 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 09:05:16,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:16,692 INFO L93 Difference]: Finished difference Result 34373 states and 42497 transitions. [2021-12-15 09:05:16,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:16,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 207 [2021-12-15 09:05:16,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:16,724 INFO L225 Difference]: With dead ends: 34373 [2021-12-15 09:05:16,724 INFO L226 Difference]: Without dead ends: 21474 [2021-12-15 09:05:16,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:05:16,738 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 72 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:16,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 144 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:05:16,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21474 states. [2021-12-15 09:05:16,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21474 to 19823. [2021-12-15 09:05:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19823 states, 19822 states have (on average 1.248511754616083) internal successors, (24748), 19822 states have internal predecessors, (24748), 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 09:05:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19823 states to 19823 states and 24748 transitions. [2021-12-15 09:05:16,962 INFO L78 Accepts]: Start accepts. Automaton has 19823 states and 24748 transitions. Word has length 207 [2021-12-15 09:05:16,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:16,963 INFO L470 AbstractCegarLoop]: Abstraction has 19823 states and 24748 transitions. [2021-12-15 09:05:16,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 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 09:05:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand 19823 states and 24748 transitions. [2021-12-15 09:05:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-15 09:05:17,026 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:17,026 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:17,063 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 09:05:17,235 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 09:05:17,236 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:17,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:17,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1439346150, now seen corresponding path program 1 times [2021-12-15 09:05:17,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:17,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179318228] [2021-12-15 09:05:17,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-15 09:05:17,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:17,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179318228] [2021-12-15 09:05:17,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179318228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:17,314 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:17,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:05:17,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067517672] [2021-12-15 09:05:17,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:17,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:17,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:17,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:17,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:17,316 INFO L87 Difference]: Start difference. First operand 19823 states and 24748 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 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 09:05:17,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:17,860 INFO L93 Difference]: Finished difference Result 41886 states and 52066 transitions. [2021-12-15 09:05:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:17,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 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 224 [2021-12-15 09:05:17,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:17,894 INFO L225 Difference]: With dead ends: 41886 [2021-12-15 09:05:17,894 INFO L226 Difference]: Without dead ends: 22471 [2021-12-15 09:05:17,913 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 09:05:17,913 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 187 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:17,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 146 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:05:17,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22471 states. [2021-12-15 09:05:18,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22471 to 22262. [2021-12-15 09:05:18,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22262 states, 22261 states have (on average 1.237680247967297) internal successors, (27552), 22261 states have internal predecessors, (27552), 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 09:05:18,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22262 states to 22262 states and 27552 transitions. [2021-12-15 09:05:18,242 INFO L78 Accepts]: Start accepts. Automaton has 22262 states and 27552 transitions. Word has length 224 [2021-12-15 09:05:18,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:18,242 INFO L470 AbstractCegarLoop]: Abstraction has 22262 states and 27552 transitions. [2021-12-15 09:05:18,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 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 09:05:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 22262 states and 27552 transitions. [2021-12-15 09:05:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-15 09:05:18,263 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:18,264 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:18,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 09:05:18,264 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:18,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:18,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1589267323, now seen corresponding path program 1 times [2021-12-15 09:05:18,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:18,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601595418] [2021-12-15 09:05:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:18,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:18,328 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-15 09:05:18,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:18,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601595418] [2021-12-15 09:05:18,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601595418] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:18,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:18,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:05:18,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417141685] [2021-12-15 09:05:18,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:18,330 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:18,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:18,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:18,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:18,331 INFO L87 Difference]: Start difference. First operand 22262 states and 27552 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 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 09:05:19,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:19,007 INFO L93 Difference]: Finished difference Result 45132 states and 55596 transitions. [2021-12-15 09:05:19,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:19,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 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 236 [2021-12-15 09:05:19,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:19,038 INFO L225 Difference]: With dead ends: 45132 [2021-12-15 09:05:19,039 INFO L226 Difference]: Without dead ends: 24499 [2021-12-15 09:05:19,055 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 09:05:19,056 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 196 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:19,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 137 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:05:19,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24499 states. [2021-12-15 09:05:19,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24499 to 23683. [2021-12-15 09:05:19,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23683 states, 23682 states have (on average 1.2255299383498015) internal successors, (29023), 23682 states have internal predecessors, (29023), 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 09:05:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23683 states to 23683 states and 29023 transitions. [2021-12-15 09:05:19,542 INFO L78 Accepts]: Start accepts. Automaton has 23683 states and 29023 transitions. Word has length 236 [2021-12-15 09:05:19,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:19,542 INFO L470 AbstractCegarLoop]: Abstraction has 23683 states and 29023 transitions. [2021-12-15 09:05:19,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 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 09:05:19,542 INFO L276 IsEmpty]: Start isEmpty. Operand 23683 states and 29023 transitions. [2021-12-15 09:05:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-15 09:05:19,578 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:19,578 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:19,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 09:05:19,579 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:19,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:19,579 INFO L85 PathProgramCache]: Analyzing trace with hash -516177699, now seen corresponding path program 1 times [2021-12-15 09:05:19,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:19,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478669331] [2021-12-15 09:05:19,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:19,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 93 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-15 09:05:19,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:19,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478669331] [2021-12-15 09:05:19,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478669331] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:05:19,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909455772] [2021-12-15 09:05:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:19,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:05:19,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:05:19,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 09:05:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:19,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:05:19,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:05:20,243 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-15 09:05:20,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:05:20,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909455772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:20,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:05:20,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-15 09:05:20,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814927237] [2021-12-15 09:05:20,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:20,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:20,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:20,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:20,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:05:20,245 INFO L87 Difference]: Start difference. First operand 23683 states and 29023 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 09:05:20,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:20,940 INFO L93 Difference]: Finished difference Result 55886 states and 69659 transitions. [2021-12-15 09:05:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:20,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 241 [2021-12-15 09:05:20,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:20,980 INFO L225 Difference]: With dead ends: 55886 [2021-12-15 09:05:20,980 INFO L226 Difference]: Without dead ends: 33629 [2021-12-15 09:05:20,995 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 240 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 09:05:20,995 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 197 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:20,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 135 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:05:21,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33629 states. [2021-12-15 09:05:21,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33629 to 33627. [2021-12-15 09:05:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33627 states, 33626 states have (on average 1.1876821507167072) internal successors, (39937), 33626 states have internal predecessors, (39937), 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 09:05:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33627 states to 33627 states and 39937 transitions. [2021-12-15 09:05:21,448 INFO L78 Accepts]: Start accepts. Automaton has 33627 states and 39937 transitions. Word has length 241 [2021-12-15 09:05:21,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:21,449 INFO L470 AbstractCegarLoop]: Abstraction has 33627 states and 39937 transitions. [2021-12-15 09:05:21,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 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 09:05:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 33627 states and 39937 transitions. [2021-12-15 09:05:21,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-15 09:05:21,471 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:21,472 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:21,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-15 09:05:21,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:21,689 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:21,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:21,689 INFO L85 PathProgramCache]: Analyzing trace with hash -777532672, now seen corresponding path program 1 times [2021-12-15 09:05:21,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:21,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924487130] [2021-12-15 09:05:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:21,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:21,830 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 139 proven. 12 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-12-15 09:05:21,831 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:21,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924487130] [2021-12-15 09:05:21,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924487130] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:05:21,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109525530] [2021-12-15 09:05:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:21,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:21,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:05:21,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:05:21,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-15 09:05:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:22,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:05:22,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:05:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-15 09:05:22,530 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:05:22,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109525530] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:22,531 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:05:22,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-15 09:05:22,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144644010] [2021-12-15 09:05:22,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:22,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:22,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:22,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:22,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:05:22,535 INFO L87 Difference]: Start difference. First operand 33627 states and 39937 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 09:05:23,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:23,268 INFO L93 Difference]: Finished difference Result 77829 states and 92837 transitions. [2021-12-15 09:05:23,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:23,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 256 [2021-12-15 09:05:23,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:23,319 INFO L225 Difference]: With dead ends: 77829 [2021-12-15 09:05:23,319 INFO L226 Difference]: Without dead ends: 46034 [2021-12-15 09:05:23,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:05:23,342 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 219 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:23,343 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 126 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:05:23,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46034 states. [2021-12-15 09:05:23,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46034 to 45424. [2021-12-15 09:05:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45424 states, 45423 states have (on average 1.1773110538713867) internal successors, (53477), 45423 states have internal predecessors, (53477), 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 09:05:24,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45424 states to 45424 states and 53477 transitions. [2021-12-15 09:05:24,007 INFO L78 Accepts]: Start accepts. Automaton has 45424 states and 53477 transitions. Word has length 256 [2021-12-15 09:05:24,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:24,007 INFO L470 AbstractCegarLoop]: Abstraction has 45424 states and 53477 transitions. [2021-12-15 09:05:24,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 09:05:24,008 INFO L276 IsEmpty]: Start isEmpty. Operand 45424 states and 53477 transitions. [2021-12-15 09:05:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-15 09:05:24,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:24,229 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:24,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-15 09:05:24,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:24,448 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:24,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:24,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1468451203, now seen corresponding path program 1 times [2021-12-15 09:05:24,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:24,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483022660] [2021-12-15 09:05:24,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:24,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 94 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-15 09:05:24,595 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:24,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483022660] [2021-12-15 09:05:24,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483022660] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:05:24,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105479025] [2021-12-15 09:05:24,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:24,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:24,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:05:24,596 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:05:24,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-15 09:05:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:24,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 09:05:24,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:05:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-15 09:05:25,059 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:05:25,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105479025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:25,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:05:25,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-15 09:05:25,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022417367] [2021-12-15 09:05:25,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:25,060 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:25,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:25,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:25,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:05:25,061 INFO L87 Difference]: Start difference. First operand 45424 states and 53477 transitions. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 09:05:25,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:25,694 INFO L93 Difference]: Finished difference Result 81062 states and 95471 transitions. [2021-12-15 09:05:25,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:25,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 281 [2021-12-15 09:05:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:25,738 INFO L225 Difference]: With dead ends: 81062 [2021-12-15 09:05:25,738 INFO L226 Difference]: Without dead ends: 37470 [2021-12-15 09:05:25,764 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:05:25,764 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 186 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:25,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 330 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:05:25,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37470 states. [2021-12-15 09:05:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37470 to 37469. [2021-12-15 09:05:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37469 states, 37468 states have (on average 1.144283121597096) internal successors, (42874), 37468 states have internal predecessors, (42874), 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 09:05:26,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37469 states to 37469 states and 42874 transitions. [2021-12-15 09:05:26,298 INFO L78 Accepts]: Start accepts. Automaton has 37469 states and 42874 transitions. Word has length 281 [2021-12-15 09:05:26,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:26,298 INFO L470 AbstractCegarLoop]: Abstraction has 37469 states and 42874 transitions. [2021-12-15 09:05:26,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 09:05:26,298 INFO L276 IsEmpty]: Start isEmpty. Operand 37469 states and 42874 transitions. [2021-12-15 09:05:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-15 09:05:26,330 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:26,330 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:26,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-15 09:05:26,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-15 09:05:26,542 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:26,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:26,543 INFO L85 PathProgramCache]: Analyzing trace with hash 942817372, now seen corresponding path program 1 times [2021-12-15 09:05:26,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:26,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383779330] [2021-12-15 09:05:26,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:26,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 171 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-12-15 09:05:26,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:26,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383779330] [2021-12-15 09:05:26,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383779330] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:05:26,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817858619] [2021-12-15 09:05:26,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:26,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:26,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:05:26,755 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:05:26,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-15 09:05:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:26,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 09:05:26,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:05:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-15 09:05:27,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:05:27,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817858619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:27,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:05:27,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-15 09:05:27,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542030463] [2021-12-15 09:05:27,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:27,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:27,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:27,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:27,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:05:27,282 INFO L87 Difference]: Start difference. First operand 37469 states and 42874 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 09:05:27,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:27,716 INFO L93 Difference]: Finished difference Result 96512 states and 110691 transitions. [2021-12-15 09:05:27,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:27,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 317 [2021-12-15 09:05:27,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:27,782 INFO L225 Difference]: With dead ends: 96512 [2021-12-15 09:05:27,783 INFO L226 Difference]: Without dead ends: 60875 [2021-12-15 09:05:27,810 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:05:27,810 INFO L933 BasicCegarLoop]: 619 mSDtfsCounter, 238 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:27,811 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 886 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 09:05:27,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60875 states. [2021-12-15 09:05:28,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60875 to 56386. [2021-12-15 09:05:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56386 states, 56385 states have (on average 1.1371464041855104) internal successors, (64118), 56385 states have internal predecessors, (64118), 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 09:05:28,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56386 states to 56386 states and 64118 transitions. [2021-12-15 09:05:28,571 INFO L78 Accepts]: Start accepts. Automaton has 56386 states and 64118 transitions. Word has length 317 [2021-12-15 09:05:28,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:28,572 INFO L470 AbstractCegarLoop]: Abstraction has 56386 states and 64118 transitions. [2021-12-15 09:05:28,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 09:05:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 56386 states and 64118 transitions. [2021-12-15 09:05:28,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-12-15 09:05:28,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:28,607 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:28,624 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-15 09:05:28,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-15 09:05:28,815 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:28,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:28,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1309253379, now seen corresponding path program 1 times [2021-12-15 09:05:28,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:28,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667439589] [2021-12-15 09:05:28,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:28,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-15 09:05:28,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:28,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667439589] [2021-12-15 09:05:28,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667439589] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:28,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:05:28,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:05:28,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502312398] [2021-12-15 09:05:28,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:28,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:28,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:28,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:28,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:05:28,996 INFO L87 Difference]: Start difference. First operand 56386 states and 64118 transitions. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 09:05:29,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:29,873 INFO L93 Difference]: Finished difference Result 108078 states and 122821 transitions. [2021-12-15 09:05:29,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:29,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 320 [2021-12-15 09:05:29,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:29,951 INFO L225 Difference]: With dead ends: 108078 [2021-12-15 09:05:29,951 INFO L226 Difference]: Without dead ends: 52507 [2021-12-15 09:05:29,983 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 09:05:29,985 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 224 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:29,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 321 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 09:05:30,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52507 states. [2021-12-15 09:05:30,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52507 to 43565. [2021-12-15 09:05:30,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43565 states, 43564 states have (on average 1.1046965384262235) internal successors, (48125), 43564 states have internal predecessors, (48125), 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 09:05:30,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43565 states to 43565 states and 48125 transitions. [2021-12-15 09:05:30,687 INFO L78 Accepts]: Start accepts. Automaton has 43565 states and 48125 transitions. Word has length 320 [2021-12-15 09:05:30,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:30,688 INFO L470 AbstractCegarLoop]: Abstraction has 43565 states and 48125 transitions. [2021-12-15 09:05:30,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 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 09:05:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 43565 states and 48125 transitions. [2021-12-15 09:05:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-12-15 09:05:30,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:05:30,719 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:30,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-15 09:05:30,719 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:05:30,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:05:30,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1458274753, now seen corresponding path program 1 times [2021-12-15 09:05:30,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:05:30,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297030596] [2021-12-15 09:05:30,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:30,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:05:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 196 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-15 09:05:30,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:05:31,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297030596] [2021-12-15 09:05:31,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297030596] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:05:31,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716835477] [2021-12-15 09:05:31,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:05:31,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:31,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:05:31,001 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:05:31,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-15 09:05:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:05:31,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 09:05:31,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:05:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-12-15 09:05:31,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:05:31,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716835477] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:05:31,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:05:31,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-15 09:05:31,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635913534] [2021-12-15 09:05:31,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:05:31,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:05:31,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:05:31,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:05:31,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:05:31,550 INFO L87 Difference]: Start difference. First operand 43565 states and 48125 transitions. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 09:05:32,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:05:32,348 INFO L93 Difference]: Finished difference Result 82032 states and 90539 transitions. [2021-12-15 09:05:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:05:32,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 340 [2021-12-15 09:05:32,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:05:32,349 INFO L225 Difference]: With dead ends: 82032 [2021-12-15 09:05:32,349 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:05:32,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-15 09:05:32,373 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 235 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:05:32,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 334 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:05:32,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:05:32,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:05:32,373 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 09:05:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:05:32,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2021-12-15 09:05:32,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:05:32,374 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:05:32,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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 09:05:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:05:32,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:05:32,376 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:05:32,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-15 09:05:32,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:05:32,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:05:38,474 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-12-15 09:05:38,474 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-12-15 09:05:38,475 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,476 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-12-15 09:05:38,477 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,478 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,479 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,480 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,481 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1522) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-12-15 09:05:38,482 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,483 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,484 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse1 (= ~a26~0 ~a8~0)) (.cse2 (= ~a12~0 ~a8~0)) (.cse5 (<= ~a3~0 0)) (.cse10 (= ~a12~0 1)) (.cse13 (<= ~a26~0 0)) (.cse8 (= ~a11~0 ~a12~0)) (.cse9 (= ~a6~0 1)) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a27~0 1)) (.cse0 (= ~a5~0 1)) (.cse11 (= 0 ~a6~0)) (.cse4 (= 0 ~a12~0)) (.cse12 (<= ~a3~0 1)) (.cse6 (<= ~a11~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse7 .cse5 .cse9) (and .cse0 .cse10 .cse11 .cse6) (and .cse0 .cse7 .cse4 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse4 .cse6 .cse9) (and .cse0 .cse7 .cse11 .cse4 .cse12) (and .cse0 .cse7 .cse11 .cse4 .cse13) (and .cse0 (= ~a6~0 ~a20~0) .cse3 .cse11 .cse4 .cse6) (and .cse0 .cse10 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse8 .cse7 .cse3 .cse5) (and .cse0 .cse10 .cse7 .cse11) (and .cse0 .cse8 (= ~a20~0 1) .cse7 .cse13 .cse12 .cse9) (and .cse0 .cse8 .cse7 .cse3 .cse9) (and .cse0 .cse7 .cse3 .cse11 .cse4) (and .cse0 .cse11 .cse4 .cse12 .cse6))) [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,485 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-12-15 09:05:38,486 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-12-15 09:05:38,487 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,487 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse1 (= ~a26~0 ~a8~0)) (.cse2 (= ~a12~0 ~a8~0)) (.cse5 (<= ~a3~0 0)) (.cse10 (= ~a12~0 1)) (.cse13 (<= ~a26~0 0)) (.cse8 (= ~a11~0 ~a12~0)) (.cse9 (= ~a6~0 1)) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a27~0 1)) (.cse0 (= ~a5~0 1)) (.cse11 (= 0 ~a6~0)) (.cse4 (= 0 ~a12~0)) (.cse12 (<= ~a3~0 1)) (.cse6 (<= ~a11~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse7 .cse5 .cse9) (and .cse0 .cse10 .cse11 .cse6) (and .cse0 .cse7 .cse4 .cse9) (and .cse0 .cse4 .cse6 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse7 .cse11 .cse4 .cse12) (and .cse0 .cse7 .cse11 .cse4 .cse13) (and .cse0 (= ~a6~0 ~a20~0) .cse3 .cse11 .cse4 .cse6) (and .cse0 .cse10 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse8 .cse7 .cse3 .cse5) (and .cse0 .cse10 .cse7 .cse11) (and .cse0 .cse8 (= ~a20~0 1) .cse7 .cse13 .cse12 .cse9) (and .cse0 .cse8 .cse7 .cse3 .cse9) (and .cse0 .cse7 .cse3 .cse11 .cse4) (and .cse0 .cse11 .cse4 .cse12 .cse6))) [2021-12-15 09:05:38,487 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,487 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,489 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,489 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,489 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-12-15 09:05:38,489 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-12-15 09:05:38,489 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,490 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,490 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,490 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,490 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,490 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,490 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,490 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,490 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:05:38,490 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-12-15 09:05:38,491 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-12-15 09:05:38,491 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-12-15 09:05:38,491 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,491 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-12-15 09:05:38,491 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,491 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,491 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-12-15 09:05:38,491 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,491 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,492 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,492 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,492 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,492 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-12-15 09:05:38,492 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,492 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-12-15 09:05:38,492 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-12-15 09:05:38,492 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-12-15 09:05:38,493 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,493 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,493 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,493 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,493 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,493 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,493 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,493 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,494 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-12-15 09:05:38,494 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-12-15 09:05:38,494 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,494 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,494 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-12-15 09:05:38,494 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-12-15 09:05:38,494 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-12-15 09:05:38,494 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,495 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,495 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,495 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,495 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,495 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:05:38,495 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,495 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,495 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,495 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,496 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,496 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,496 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-12-15 09:05:38,496 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-12-15 09:05:38,496 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-12-15 09:05:38,496 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,496 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,496 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,496 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,497 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,497 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,497 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,497 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-12-15 09:05:38,497 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-12-15 09:05:38,497 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,497 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-12-15 09:05:38,497 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-12-15 09:05:38,497 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-12-15 09:05:38,498 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,498 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,498 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,498 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,498 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-12-15 09:05:38,498 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-12-15 09:05:38,498 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-12-15 09:05:38,498 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,498 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,499 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-12-15 09:05:38,502 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:05:38,503 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:05:38,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:05:38 BoogieIcfgContainer [2021-12-15 09:05:38,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:05:38,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:05:38,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:05:38,536 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:05:38,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:05:08" (3/4) ... [2021-12-15 09:05:38,538 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:05:38,569 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 09:05:38,570 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:05:38,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:05:38,573 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:05:38,695 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:05:38,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:05:38,696 INFO L158 Benchmark]: Toolchain (without parser) took 32642.78ms. Allocated memory was 136.3MB in the beginning and 9.4GB in the end (delta: 9.3GB). Free memory was 102.3MB in the beginning and 6.3GB in the end (delta: -6.2GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2021-12-15 09:05:38,696 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:05:38,696 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.68ms. Allocated memory is still 136.3MB. Free memory was 101.9MB in the beginning and 62.2MB in the end (delta: 39.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 09:05:38,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.16ms. Allocated memory is still 136.3MB. Free memory was 62.2MB in the beginning and 100.3MB in the end (delta: -38.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2021-12-15 09:05:38,697 INFO L158 Benchmark]: Boogie Preprocessor took 89.41ms. Allocated memory is still 136.3MB. Free memory was 100.3MB in the beginning and 90.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 09:05:38,697 INFO L158 Benchmark]: RCFGBuilder took 1173.96ms. Allocated memory was 136.3MB in the beginning and 211.8MB in the end (delta: 75.5MB). Free memory was 90.0MB in the beginning and 133.8MB in the end (delta: -43.8MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2021-12-15 09:05:38,697 INFO L158 Benchmark]: TraceAbstraction took 30363.16ms. Allocated memory was 211.8MB in the beginning and 9.4GB in the end (delta: 9.2GB). Free memory was 133.8MB in the beginning and 6.3GB in the end (delta: -6.2GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. [2021-12-15 09:05:38,697 INFO L158 Benchmark]: Witness Printer took 159.68ms. Allocated memory is still 9.4GB. Free memory was 6.3GB in the beginning and 6.3GB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-12-15 09:05:38,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 92.3MB. Free memory was 49.9MB in the beginning and 49.8MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.68ms. Allocated memory is still 136.3MB. Free memory was 101.9MB in the beginning and 62.2MB in the end (delta: 39.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.16ms. Allocated memory is still 136.3MB. Free memory was 62.2MB in the beginning and 100.3MB in the end (delta: -38.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.41ms. Allocated memory is still 136.3MB. Free memory was 100.3MB in the beginning and 90.0MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1173.96ms. Allocated memory was 136.3MB in the beginning and 211.8MB in the end (delta: 75.5MB). Free memory was 90.0MB in the beginning and 133.8MB in the end (delta: -43.8MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * TraceAbstraction took 30363.16ms. Allocated memory was 211.8MB in the beginning and 9.4GB in the end (delta: 9.2GB). Free memory was 133.8MB in the beginning and 6.3GB in the end (delta: -6.2GB). Peak memory consumption was 3.1GB. Max. memory is 16.1GB. * Witness Printer took 159.68ms. Allocated memory is still 9.4GB. Free memory was 6.3GB in the beginning and 6.3GB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1522]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.3s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3547 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3547 mSDsluCounter, 3702 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 1454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9275 IncrementalHoareTripleChecker+Invalid, 10729 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1454 mSolverCounterUnsat, 3148 mSDtfsCounter, 9275 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1862 GetRequests, 1828 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56386occurred in iteration=15, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 16753 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 395 NumberOfFragments, 583 HoareAnnotationTreeSize, 3 FomulaSimplifications, 276 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 14228 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 5644 NumberOfCodeBlocks, 5644 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5620 ConstructedInterpolants, 0 QuantifiedInterpolants, 11222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3804 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 24 InterpolantComputations, 17 PerfectInterpolantSequences, 3129/3189 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a5 == 1 && a26 == a8) && a12 == a8) && a27 == 1) && 0 == a12) && a3 <= 0) && a11 <= 0) || ((((((a5 == 1 && a26 == a8) && a12 == a8) && a11 == 1) && a27 == 1) && 0 == a12) && a3 <= 0)) || ((((a5 == 1 && a11 == a12) && a11 == 1) && a3 <= 0) && a6 == 1)) || (((a5 == 1 && a12 == 1) && 0 == a6) && a11 <= 0)) || (((a5 == 1 && a11 == 1) && 0 == a12) && a6 == 1)) || ((((((a12 == 1 && a5 == 1) && a26 == a8) && a12 == a8) && a27 == 1) && a3 <= 0) && a11 <= 0)) || (((a5 == 1 && 0 == a12) && a11 <= 0) && a6 == 1)) || ((((a5 == 1 && a11 == 1) && 0 == a6) && 0 == a12) && a3 <= 1)) || ((((a5 == 1 && a11 == 1) && 0 == a6) && 0 == a12) && a26 <= 0)) || (((((a5 == 1 && a6 == a20) && a27 == 1) && 0 == a6) && 0 == a12) && a11 <= 0)) || (((a5 == 1 && a12 == 1) && a11 <= 0) && a6 == 1)) || ((((((a5 == 1 && a26 == a8) && a12 == a8) && a11 == a12) && a11 == 1) && a27 == 1) && a3 <= 0)) || (((a5 == 1 && a12 == 1) && a11 == 1) && 0 == a6)) || ((((((a5 == 1 && a11 == a12) && a20 == 1) && a11 == 1) && a26 <= 0) && a3 <= 1) && a6 == 1)) || ((((a5 == 1 && a11 == a12) && a11 == 1) && a27 == 1) && a6 == 1)) || ((((a5 == 1 && a11 == 1) && a27 == 1) && 0 == a6) && 0 == a12)) || ((((a5 == 1 && 0 == a6) && 0 == a12) && a3 <= 1) && a11 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a5 == 1 && a26 == a8) && a12 == a8) && a27 == 1) && 0 == a12) && a3 <= 0) && a11 <= 0) || ((((((a5 == 1 && a26 == a8) && a12 == a8) && a11 == 1) && a27 == 1) && 0 == a12) && a3 <= 0)) || ((((a5 == 1 && a11 == a12) && a11 == 1) && a3 <= 0) && a6 == 1)) || (((a5 == 1 && a12 == 1) && 0 == a6) && a11 <= 0)) || (((a5 == 1 && a11 == 1) && 0 == a12) && a6 == 1)) || (((a5 == 1 && 0 == a12) && a11 <= 0) && a6 == 1)) || ((((((a12 == 1 && a5 == 1) && a26 == a8) && a12 == a8) && a27 == 1) && a3 <= 0) && a11 <= 0)) || ((((a5 == 1 && a11 == 1) && 0 == a6) && 0 == a12) && a3 <= 1)) || ((((a5 == 1 && a11 == 1) && 0 == a6) && 0 == a12) && a26 <= 0)) || (((((a5 == 1 && a6 == a20) && a27 == 1) && 0 == a6) && 0 == a12) && a11 <= 0)) || (((a5 == 1 && a12 == 1) && a11 <= 0) && a6 == 1)) || ((((((a5 == 1 && a26 == a8) && a12 == a8) && a11 == a12) && a11 == 1) && a27 == 1) && a3 <= 0)) || (((a5 == 1 && a12 == 1) && a11 == 1) && 0 == a6)) || ((((((a5 == 1 && a11 == a12) && a20 == 1) && a11 == 1) && a26 <= 0) && a3 <= 1) && a6 == 1)) || ((((a5 == 1 && a11 == a12) && a11 == 1) && a27 == 1) && a6 == 1)) || ((((a5 == 1 && a11 == 1) && a27 == 1) && 0 == a6) && 0 == a12)) || ((((a5 == 1 && 0 == a6) && 0 == a12) && a3 <= 1) && a11 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-15 09:05:38,726 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