./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/psyco/psyco_accelerometer_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 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/psyco/psyco_accelerometer_1.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 f984bd5abbd4adc0ae4b2416fd7142c889297d5b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-04 22:10:37,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-04 22:10:37,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-04 22:10:37,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-04 22:10:37,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-04 22:10:37,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-04 22:10:37,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-04 22:10:37,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-04 22:10:37,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-04 22:10:37,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-04 22:10:37,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-04 22:10:37,954 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-04 22:10:37,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-04 22:10:37,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-04 22:10:37,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-04 22:10:37,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-04 22:10:37,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-04 22:10:37,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-04 22:10:37,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-04 22:10:37,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-04 22:10:37,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-04 22:10:37,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-04 22:10:37,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-04 22:10:37,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-04 22:10:37,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-04 22:10:37,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-04 22:10:37,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-04 22:10:37,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-04 22:10:37,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-04 22:10:37,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-04 22:10:37,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-04 22:10:37,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-04 22:10:37,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-04 22:10:37,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-04 22:10:37,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-04 22:10:37,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-04 22:10:37,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-04 22:10:37,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-04 22:10:37,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-04 22:10:37,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-04 22:10:37,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-04 22:10:37,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-04 22:10:38,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-04 22:10:38,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-04 22:10:38,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-04 22:10:38,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-04 22:10:38,015 INFO L138 SettingsManager]: * Use SBE=true [2021-07-04 22:10:38,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-04 22:10:38,015 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-04 22:10:38,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-04 22:10:38,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-04 22:10:38,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-04 22:10:38,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-04 22:10:38,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-04 22:10:38,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-04 22:10:38,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-04 22:10:38,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-04 22:10:38,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-04 22:10:38,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-04 22:10:38,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-04 22:10:38,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-04 22:10:38,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-04 22:10:38,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:10:38,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-04 22:10:38,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-04 22:10:38,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-04 22:10:38,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-04 22:10:38,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-04 22:10:38,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-04 22:10:38,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-04 22:10:38,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2021-07-04 22:10:38,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-04 22:10:38,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-04 22:10:38,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-04 22:10:38,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-04 22:10:38,379 INFO L275 PluginConnector]: CDTParser initialized [2021-07-04 22:10:38,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-07-04 22:10:38,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fd06d46/74b1a965f523433186d1eff434e7a65c/FLAGb8d6344a9 [2021-07-04 22:10:39,109 INFO L306 CDTParser]: Found 1 translation units. [2021-07-04 22:10:39,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-07-04 22:10:39,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fd06d46/74b1a965f523433186d1eff434e7a65c/FLAGb8d6344a9 [2021-07-04 22:10:39,311 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64fd06d46/74b1a965f523433186d1eff434e7a65c [2021-07-04 22:10:39,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-04 22:10:39,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-04 22:10:39,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-04 22:10:39,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-04 22:10:39,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-04 22:10:39,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:10:39" (1/1) ... [2021-07-04 22:10:39,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b27a3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:39, skipping insertion in model container [2021-07-04 22:10:39,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.07 10:10:39" (1/1) ... [2021-07-04 22:10:39,331 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-04 22:10:39,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-04 22:10:39,980 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-07-04 22:10:39,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:10:40,003 INFO L203 MainTranslator]: Completed pre-run [2021-07-04 22:10:40,240 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c[182833,182846] [2021-07-04 22:10:40,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-04 22:10:40,261 INFO L208 MainTranslator]: Completed translation [2021-07-04 22:10:40,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40 WrapperNode [2021-07-04 22:10:40,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-04 22:10:40,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-04 22:10:40,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-04 22:10:40,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-04 22:10:40,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-04 22:10:40,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-04 22:10:40,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-04 22:10:40,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-04 22:10:40,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-04 22:10:40,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-04 22:10:40,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-04 22:10:40,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-04 22:10:40,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (1/1) ... [2021-07-04 22:10:40,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-04 22:10:40,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-04 22:10:40,642 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) [2021-07-04 22:10:40,674 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 [2021-07-04 22:10:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-04 22:10:40,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-04 22:10:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-04 22:10:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-04 22:10:42,281 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-04 22:10:42,281 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-07-04 22:10:42,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:10:42 BoogieIcfgContainer [2021-07-04 22:10:42,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-04 22:10:42,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-04 22:10:42,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-04 22:10:42,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-04 22:10:42,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.07 10:10:39" (1/3) ... [2021-07-04 22:10:42,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db9a5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:10:42, skipping insertion in model container [2021-07-04 22:10:42,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.07 10:10:40" (2/3) ... [2021-07-04 22:10:42,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db9a5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.07 10:10:42, skipping insertion in model container [2021-07-04 22:10:42,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:10:42" (3/3) ... [2021-07-04 22:10:42,289 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_accelerometer_1.c [2021-07-04 22:10:42,294 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-04 22:10:42,294 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-04 22:10:42,341 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-04 22:10:42,347 INFO L329 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-04 22:10:42,347 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-04 22:10:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 237 states, 235 states have (on average 1.9787234042553192) internal successors, (465), 236 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:42,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-07-04 22:10:42,368 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:42,369 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 22:10:42,369 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:42,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:42,375 INFO L82 PathProgramCache]: Analyzing trace with hash 352572211, now seen corresponding path program 1 times [2021-07-04 22:10:42,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:42,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556557890] [2021-07-04 22:10:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:42,384 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:42,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:42,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:42,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:42,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:10:42,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:42,511 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556557890] [2021-07-04 22:10:42,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556557890] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:42,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:42,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-04 22:10:42,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448212587] [2021-07-04 22:10:42,517 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-04 22:10:42,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:42,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-04 22:10:42,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-04 22:10:42,535 INFO L87 Difference]: Start difference. First operand has 237 states, 235 states have (on average 1.9787234042553192) internal successors, (465), 236 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:42,591 INFO L93 Difference]: Finished difference Result 463 states and 910 transitions. [2021-07-04 22:10:42,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-04 22:10:42,592 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-07-04 22:10:42,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:42,600 INFO L225 Difference]: With dead ends: 463 [2021-07-04 22:10:42,601 INFO L226 Difference]: Without dead ends: 224 [2021-07-04 22:10:42,603 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-04 22:10:42,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-07-04 22:10:42,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2021-07-04 22:10:42,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.7623318385650224) internal successors, (393), 223 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:42,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 393 transitions. [2021-07-04 22:10:42,657 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 393 transitions. Word has length 9 [2021-07-04 22:10:42,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:42,658 INFO L442 AbstractCegarLoop]: Abstraction has 224 states and 393 transitions. [2021-07-04 22:10:42,658 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 393 transitions. [2021-07-04 22:10:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-07-04 22:10:42,660 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:42,660 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 22:10:42,660 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-04 22:10:42,661 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:42,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:42,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1422696861, now seen corresponding path program 1 times [2021-07-04 22:10:42,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:42,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847151803] [2021-07-04 22:10:42,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:42,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:42,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:42,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:42,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:10:42,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:42,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:10:42,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:42,748 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847151803] [2021-07-04 22:10:42,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847151803] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:42,748 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:42,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:42,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948572698] [2021-07-04 22:10:42,749 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:42,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:42,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:42,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:42,752 INFO L87 Difference]: Start difference. First operand 224 states and 393 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:42,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:42,900 INFO L93 Difference]: Finished difference Result 449 states and 788 transitions. [2021-07-04 22:10:42,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:42,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2021-07-04 22:10:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:42,906 INFO L225 Difference]: With dead ends: 449 [2021-07-04 22:10:42,906 INFO L226 Difference]: Without dead ends: 227 [2021-07-04 22:10:42,910 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:42,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-07-04 22:10:42,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-07-04 22:10:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.752212389380531) internal successors, (396), 226 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 396 transitions. [2021-07-04 22:10:42,938 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 396 transitions. Word has length 10 [2021-07-04 22:10:42,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:42,938 INFO L442 AbstractCegarLoop]: Abstraction has 227 states and 396 transitions. [2021-07-04 22:10:42,939 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 396 transitions. [2021-07-04 22:10:42,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-07-04 22:10:42,940 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:42,940 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 22:10:42,940 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-04 22:10:42,940 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:42,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:42,941 INFO L82 PathProgramCache]: Analyzing trace with hash 658033430, now seen corresponding path program 1 times [2021-07-04 22:10:42,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:42,943 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134997379] [2021-07-04 22:10:42,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:42,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:43,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:43,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:10:43,030 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:10:43,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:43,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134997379] [2021-07-04 22:10:43,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134997379] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:43,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:43,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:43,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986845903] [2021-07-04 22:10:43,039 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:43,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:43,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:43,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:43,040 INFO L87 Difference]: Start difference. First operand 227 states and 396 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:43,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:43,159 INFO L93 Difference]: Finished difference Result 457 states and 797 transitions. [2021-07-04 22:10:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:43,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 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 15 [2021-07-04 22:10:43,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:43,161 INFO L225 Difference]: With dead ends: 457 [2021-07-04 22:10:43,161 INFO L226 Difference]: Without dead ends: 233 [2021-07-04 22:10:43,162 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:43,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-07-04 22:10:43,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2021-07-04 22:10:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 230 states have (on average 1.7391304347826086) internal successors, (400), 230 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:43,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 400 transitions. [2021-07-04 22:10:43,172 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 400 transitions. Word has length 15 [2021-07-04 22:10:43,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:43,173 INFO L442 AbstractCegarLoop]: Abstraction has 231 states and 400 transitions. [2021-07-04 22:10:43,173 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:43,173 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 400 transitions. [2021-07-04 22:10:43,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-04 22:10:43,174 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:43,174 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 22:10:43,174 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-04 22:10:43,174 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:43,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:43,175 INFO L82 PathProgramCache]: Analyzing trace with hash 259035552, now seen corresponding path program 1 times [2021-07-04 22:10:43,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:43,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445133040] [2021-07-04 22:10:43,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:43,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:43,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:43,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:10:43,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:43,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:10:43,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:43,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445133040] [2021-07-04 22:10:43,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445133040] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:43,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:43,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:43,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752158421] [2021-07-04 22:10:43,220 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:43,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:43,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:43,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:43,222 INFO L87 Difference]: Start difference. First operand 231 states and 400 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:43,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:43,392 INFO L93 Difference]: Finished difference Result 272 states and 456 transitions. [2021-07-04 22:10:43,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:43,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 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 18 [2021-07-04 22:10:43,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:43,395 INFO L225 Difference]: With dead ends: 272 [2021-07-04 22:10:43,395 INFO L226 Difference]: Without dead ends: 266 [2021-07-04 22:10:43,395 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:43,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-07-04 22:10:43,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 257. [2021-07-04 22:10:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.71875) internal successors, (440), 256 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 440 transitions. [2021-07-04 22:10:43,403 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 440 transitions. Word has length 18 [2021-07-04 22:10:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:43,403 INFO L442 AbstractCegarLoop]: Abstraction has 257 states and 440 transitions. [2021-07-04 22:10:43,403 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 440 transitions. [2021-07-04 22:10:43,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-07-04 22:10:43,404 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:43,404 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 22:10:43,404 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-04 22:10:43,404 INFO L374 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:43,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:43,405 INFO L82 PathProgramCache]: Analyzing trace with hash -548412413, now seen corresponding path program 1 times [2021-07-04 22:10:43,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:43,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937188642] [2021-07-04 22:10:43,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:43,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:43,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:43,434 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:10:43,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,437 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:10:43,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:43,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937188642] [2021-07-04 22:10:43,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937188642] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:43,438 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:43,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:43,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377249444] [2021-07-04 22:10:43,439 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:43,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:43,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:43,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:43,440 INFO L87 Difference]: Start difference. First operand 257 states and 440 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:43,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:43,577 INFO L93 Difference]: Finished difference Result 259 states and 441 transitions. [2021-07-04 22:10:43,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:43,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-07-04 22:10:43,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:43,579 INFO L225 Difference]: With dead ends: 259 [2021-07-04 22:10:43,579 INFO L226 Difference]: Without dead ends: 257 [2021-07-04 22:10:43,580 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:43,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-07-04 22:10:43,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2021-07-04 22:10:43,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 256 states have (on average 1.6875) internal successors, (432), 256 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 432 transitions. [2021-07-04 22:10:43,586 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 432 transitions. Word has length 19 [2021-07-04 22:10:43,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:43,587 INFO L442 AbstractCegarLoop]: Abstraction has 257 states and 432 transitions. [2021-07-04 22:10:43,587 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 432 transitions. [2021-07-04 22:10:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-07-04 22:10:43,588 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:43,588 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-04 22:10:43,588 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-04 22:10:43,588 INFO L374 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:43,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:43,589 INFO L82 PathProgramCache]: Analyzing trace with hash -296229375, now seen corresponding path program 1 times [2021-07-04 22:10:43,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:43,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834144811] [2021-07-04 22:10:43,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:43,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:43,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:43,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:10:43,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:43,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:43,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-04 22:10:43,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:43,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834144811] [2021-07-04 22:10:43,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834144811] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:43,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:43,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:43,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399222227] [2021-07-04 22:10:43,635 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:43,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:43,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:43,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:43,636 INFO L87 Difference]: Start difference. First operand 257 states and 432 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:44,127 INFO L93 Difference]: Finished difference Result 704 states and 1182 transitions. [2021-07-04 22:10:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:44,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 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 22 [2021-07-04 22:10:44,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:44,130 INFO L225 Difference]: With dead ends: 704 [2021-07-04 22:10:44,130 INFO L226 Difference]: Without dead ends: 444 [2021-07-04 22:10:44,131 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-07-04 22:10:44,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 418. [2021-07-04 22:10:44,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 417 states have (on average 1.5419664268585132) internal successors, (643), 417 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 643 transitions. [2021-07-04 22:10:44,141 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 643 transitions. Word has length 22 [2021-07-04 22:10:44,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:44,142 INFO L442 AbstractCegarLoop]: Abstraction has 418 states and 643 transitions. [2021-07-04 22:10:44,142 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 643 transitions. [2021-07-04 22:10:44,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-07-04 22:10:44,143 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:44,143 INFO L525 BasicCegarLoop]: trace histogram [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] [2021-07-04 22:10:44,144 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-07-04 22:10:44,144 INFO L374 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:44,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:44,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1374287257, now seen corresponding path program 1 times [2021-07-04 22:10:44,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:44,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803900471] [2021-07-04 22:10:44,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:44,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:44,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:10:44,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-04 22:10:44,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:44,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803900471] [2021-07-04 22:10:44,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803900471] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:44,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:44,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:44,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786056429] [2021-07-04 22:10:44,183 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:44,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:44,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:44,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,184 INFO L87 Difference]: Start difference. First operand 418 states and 643 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:44,229 INFO L93 Difference]: Finished difference Result 754 states and 1168 transitions. [2021-07-04 22:10:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:44,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-07-04 22:10:44,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:44,231 INFO L225 Difference]: With dead ends: 754 [2021-07-04 22:10:44,231 INFO L226 Difference]: Without dead ends: 339 [2021-07-04 22:10:44,232 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-07-04 22:10:44,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2021-07-04 22:10:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 338 states have (on average 1.544378698224852) internal successors, (522), 338 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 522 transitions. [2021-07-04 22:10:44,240 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 522 transitions. Word has length 29 [2021-07-04 22:10:44,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:44,240 INFO L442 AbstractCegarLoop]: Abstraction has 339 states and 522 transitions. [2021-07-04 22:10:44,240 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 522 transitions. [2021-07-04 22:10:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-07-04 22:10:44,242 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:44,242 INFO L525 BasicCegarLoop]: trace histogram [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] [2021-07-04 22:10:44,242 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-07-04 22:10:44,242 INFO L374 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:44,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:44,243 INFO L82 PathProgramCache]: Analyzing trace with hash -968828347, now seen corresponding path program 1 times [2021-07-04 22:10:44,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:44,243 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520190359] [2021-07-04 22:10:44,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:44,244 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:44,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,273 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:10:44,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-04 22:10:44,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:44,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520190359] [2021-07-04 22:10:44,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520190359] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:44,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:44,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:44,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963602627] [2021-07-04 22:10:44,279 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:44,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:44,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:44,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,280 INFO L87 Difference]: Start difference. First operand 339 states and 522 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:44,327 INFO L93 Difference]: Finished difference Result 664 states and 1029 transitions. [2021-07-04 22:10:44,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:44,328 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 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 33 [2021-07-04 22:10:44,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:44,330 INFO L225 Difference]: With dead ends: 664 [2021-07-04 22:10:44,330 INFO L226 Difference]: Without dead ends: 333 [2021-07-04 22:10:44,331 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2021-07-04 22:10:44,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2021-07-04 22:10:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.5120481927710843) internal successors, (502), 332 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 502 transitions. [2021-07-04 22:10:44,339 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 502 transitions. Word has length 33 [2021-07-04 22:10:44,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:44,339 INFO L442 AbstractCegarLoop]: Abstraction has 333 states and 502 transitions. [2021-07-04 22:10:44,339 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 502 transitions. [2021-07-04 22:10:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-07-04 22:10:44,340 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:44,341 INFO L525 BasicCegarLoop]: trace histogram [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] [2021-07-04 22:10:44,341 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-07-04 22:10:44,341 INFO L374 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:44,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:44,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1704110053, now seen corresponding path program 1 times [2021-07-04 22:10:44,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:44,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445896445] [2021-07-04 22:10:44,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:44,342 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:44,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,378 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:10:44,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-04 22:10:44,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:44,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445896445] [2021-07-04 22:10:44,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445896445] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:44,384 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:44,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:44,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306020606] [2021-07-04 22:10:44,384 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:44,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:44,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:44,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,385 INFO L87 Difference]: Start difference. First operand 333 states and 502 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:44,658 INFO L93 Difference]: Finished difference Result 376 states and 543 transitions. [2021-07-04 22:10:44,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:44,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 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 37 [2021-07-04 22:10:44,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:44,660 INFO L225 Difference]: With dead ends: 376 [2021-07-04 22:10:44,661 INFO L226 Difference]: Without dead ends: 339 [2021-07-04 22:10:44,661 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-07-04 22:10:44,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 333. [2021-07-04 22:10:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.4036144578313252) internal successors, (466), 332 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 466 transitions. [2021-07-04 22:10:44,669 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 466 transitions. Word has length 37 [2021-07-04 22:10:44,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:44,669 INFO L442 AbstractCegarLoop]: Abstraction has 333 states and 466 transitions. [2021-07-04 22:10:44,669 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 466 transitions. [2021-07-04 22:10:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-07-04 22:10:44,670 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:44,671 INFO L525 BasicCegarLoop]: trace histogram [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] [2021-07-04 22:10:44,671 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-04 22:10:44,671 INFO L374 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:44,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:44,671 INFO L82 PathProgramCache]: Analyzing trace with hash -533172694, now seen corresponding path program 1 times [2021-07-04 22:10:44,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:44,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762605025] [2021-07-04 22:10:44,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:44,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:44,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-04 22:10:44,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-04 22:10:44,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:44,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762605025] [2021-07-04 22:10:44,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762605025] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:44,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:44,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:44,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799911673] [2021-07-04 22:10:44,702 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:44,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:44,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:44,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,703 INFO L87 Difference]: Start difference. First operand 333 states and 466 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:44,743 INFO L93 Difference]: Finished difference Result 635 states and 888 transitions. [2021-07-04 22:10:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:44,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 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 38 [2021-07-04 22:10:44,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:44,745 INFO L225 Difference]: With dead ends: 635 [2021-07-04 22:10:44,745 INFO L226 Difference]: Without dead ends: 310 [2021-07-04 22:10:44,746 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-07-04 22:10:44,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2021-07-04 22:10:44,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.3883495145631068) internal successors, (429), 309 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 429 transitions. [2021-07-04 22:10:44,752 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 429 transitions. Word has length 38 [2021-07-04 22:10:44,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:44,753 INFO L442 AbstractCegarLoop]: Abstraction has 310 states and 429 transitions. [2021-07-04 22:10:44,753 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 429 transitions. [2021-07-04 22:10:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-07-04 22:10:44,754 INFO L517 BasicCegarLoop]: Found error trace [2021-07-04 22:10:44,754 INFO L525 BasicCegarLoop]: trace histogram [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] [2021-07-04 22:10:44,754 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-07-04 22:10:44,754 INFO L374 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-04 22:10:44,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-04 22:10:44,755 INFO L82 PathProgramCache]: Analyzing trace with hash -717812843, now seen corresponding path program 1 times [2021-07-04 22:10:44,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-04 22:10:44,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698896856] [2021-07-04 22:10:44,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-04 22:10:44,756 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-04 22:10:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-04 22:10:44,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-04 22:10:44,783 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-04 22:10:44,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-04 22:10:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-04 22:10:44,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-04 22:10:44,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698896856] [2021-07-04 22:10:44,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698896856] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-04 22:10:44,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-04 22:10:44,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-04 22:10:44,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572292098] [2021-07-04 22:10:44,785 INFO L425 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-04 22:10:44,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-04 22:10:44,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-04 22:10:44,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,786 INFO L87 Difference]: Start difference. First operand 310 states and 429 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-04 22:10:44,824 INFO L93 Difference]: Finished difference Result 474 states and 665 transitions. [2021-07-04 22:10:44,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-04 22:10:44,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 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 39 [2021-07-04 22:10:44,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-04 22:10:44,825 INFO L225 Difference]: With dead ends: 474 [2021-07-04 22:10:44,825 INFO L226 Difference]: Without dead ends: 0 [2021-07-04 22:10:44,826 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-04 22:10:44,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-04 22:10:44,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-04 22:10:44,826 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) [2021-07-04 22:10:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-04 22:10:44,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2021-07-04 22:10:44,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-04 22:10:44,827 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-04 22:10:44,827 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-04 22:10:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-04 22:10:44,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-04 22:10:44,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-04 22:10:44,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 22:10:44,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 22:10:44,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 22:10:44,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-04 22:10:44,946 INFO L762 garLoopResultBuilder]: For program point L1093(lines 1093 1095) no Hoare annotation was computed. [2021-07-04 22:10:44,946 INFO L762 garLoopResultBuilder]: For program point L961(lines 961 963) no Hoare annotation was computed. [2021-07-04 22:10:44,947 INFO L762 garLoopResultBuilder]: For program point L829(lines 829 840) no Hoare annotation was computed. [2021-07-04 22:10:44,947 INFO L762 garLoopResultBuilder]: For program point L763(lines 763 778) no Hoare annotation was computed. [2021-07-04 22:10:44,947 INFO L762 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2021-07-04 22:10:44,947 INFO L762 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2021-07-04 22:10:44,947 INFO L762 garLoopResultBuilder]: For program point L169(lines 169 180) no Hoare annotation was computed. [2021-07-04 22:10:44,947 INFO L762 garLoopResultBuilder]: For program point L897(lines 897 899) no Hoare annotation was computed. [2021-07-04 22:10:44,947 INFO L762 garLoopResultBuilder]: For program point L765(lines 765 776) no Hoare annotation was computed. [2021-07-04 22:10:44,947 INFO L762 garLoopResultBuilder]: For program point L699(lines 699 714) no Hoare annotation was computed. [2021-07-04 22:10:44,948 INFO L762 garLoopResultBuilder]: For program point L369(lines 369 371) no Hoare annotation was computed. [2021-07-04 22:10:44,948 INFO L762 garLoopResultBuilder]: For program point L237(lines 237 239) no Hoare annotation was computed. [2021-07-04 22:10:44,948 INFO L762 garLoopResultBuilder]: For program point L105(lines 105 107) no Hoare annotation was computed. [2021-07-04 22:10:44,948 INFO L762 garLoopResultBuilder]: For program point L833(lines 833 835) no Hoare annotation was computed. [2021-07-04 22:10:44,948 INFO L762 garLoopResultBuilder]: For program point L701(lines 701 712) no Hoare annotation was computed. [2021-07-04 22:10:44,948 INFO L762 garLoopResultBuilder]: For program point L635(lines 635 650) no Hoare annotation was computed. [2021-07-04 22:10:44,949 INFO L762 garLoopResultBuilder]: For program point L173(lines 173 175) no Hoare annotation was computed. [2021-07-04 22:10:44,949 INFO L762 garLoopResultBuilder]: For program point L1231(lines 1231 1246) no Hoare annotation was computed. [2021-07-04 22:10:44,949 INFO L762 garLoopResultBuilder]: For program point L769(lines 769 771) no Hoare annotation was computed. [2021-07-04 22:10:44,949 INFO L762 garLoopResultBuilder]: For program point L637(lines 637 648) no Hoare annotation was computed. [2021-07-04 22:10:44,949 INFO L762 garLoopResultBuilder]: For program point L571(lines 571 586) no Hoare annotation was computed. [2021-07-04 22:10:44,949 INFO L762 garLoopResultBuilder]: For program point L1233(lines 1233 1244) no Hoare annotation was computed. [2021-07-04 22:10:44,949 INFO L762 garLoopResultBuilder]: For program point L1167(lines 1167 1182) no Hoare annotation was computed. [2021-07-04 22:10:44,950 INFO L762 garLoopResultBuilder]: For program point L1035(lines 1035 1050) no Hoare annotation was computed. [2021-07-04 22:10:44,950 INFO L762 garLoopResultBuilder]: For program point L705(lines 705 707) no Hoare annotation was computed. [2021-07-04 22:10:44,950 INFO L762 garLoopResultBuilder]: For program point L573(lines 573 584) no Hoare annotation was computed. [2021-07-04 22:10:44,950 INFO L762 garLoopResultBuilder]: For program point L507(lines 507 522) no Hoare annotation was computed. [2021-07-04 22:10:44,950 INFO L762 garLoopResultBuilder]: For program point L1169(lines 1169 1180) no Hoare annotation was computed. [2021-07-04 22:10:44,950 INFO L762 garLoopResultBuilder]: For program point L1103(lines 1103 1118) no Hoare annotation was computed. [2021-07-04 22:10:44,951 INFO L762 garLoopResultBuilder]: For program point L46(lines 46 65) no Hoare annotation was computed. [2021-07-04 22:10:44,951 INFO L762 garLoopResultBuilder]: For program point L1037(lines 1037 1048) no Hoare annotation was computed. [2021-07-04 22:10:44,951 INFO L762 garLoopResultBuilder]: For program point L971(lines 971 986) no Hoare annotation was computed. [2021-07-04 22:10:44,951 INFO L762 garLoopResultBuilder]: For program point L641(lines 641 643) no Hoare annotation was computed. [2021-07-04 22:10:44,951 INFO L762 garLoopResultBuilder]: For program point L509(lines 509 520) no Hoare annotation was computed. [2021-07-04 22:10:44,951 INFO L762 garLoopResultBuilder]: For program point L443(lines 443 458) no Hoare annotation was computed. [2021-07-04 22:10:44,951 INFO L762 garLoopResultBuilder]: For program point L311(lines 311 326) no Hoare annotation was computed. [2021-07-04 22:10:44,952 INFO L762 garLoopResultBuilder]: For program point L47(lines 47 62) no Hoare annotation was computed. [2021-07-04 22:10:44,952 INFO L762 garLoopResultBuilder]: For program point L1237(lines 1237 1239) no Hoare annotation was computed. [2021-07-04 22:10:44,952 INFO L762 garLoopResultBuilder]: For program point L1105(lines 1105 1116) no Hoare annotation was computed. [2021-07-04 22:10:44,952 INFO L762 garLoopResultBuilder]: For program point L973(lines 973 984) no Hoare annotation was computed. [2021-07-04 22:10:44,952 INFO L762 garLoopResultBuilder]: For program point L907(lines 907 922) no Hoare annotation was computed. [2021-07-04 22:10:44,952 INFO L762 garLoopResultBuilder]: For program point L577(lines 577 579) no Hoare annotation was computed. [2021-07-04 22:10:44,952 INFO L762 garLoopResultBuilder]: For program point L445(lines 445 456) no Hoare annotation was computed. [2021-07-04 22:10:44,953 INFO L762 garLoopResultBuilder]: For program point L379(lines 379 394) no Hoare annotation was computed. [2021-07-04 22:10:44,953 INFO L762 garLoopResultBuilder]: For program point L313(lines 313 324) no Hoare annotation was computed. [2021-07-04 22:10:44,953 INFO L762 garLoopResultBuilder]: For program point L247(lines 247 262) no Hoare annotation was computed. [2021-07-04 22:10:44,953 INFO L758 garLoopResultBuilder]: At program point L1238(lines 18 1257) the Hoare annotation is: false [2021-07-04 22:10:44,953 INFO L762 garLoopResultBuilder]: For program point L115(lines 115 130) no Hoare annotation was computed. [2021-07-04 22:10:44,953 INFO L762 garLoopResultBuilder]: For program point L49(lines 49 60) no Hoare annotation was computed. [2021-07-04 22:10:44,954 INFO L762 garLoopResultBuilder]: For program point L1173(lines 1173 1175) no Hoare annotation was computed. [2021-07-04 22:10:44,954 INFO L762 garLoopResultBuilder]: For program point L1041(lines 1041 1043) no Hoare annotation was computed. [2021-07-04 22:10:44,954 INFO L762 garLoopResultBuilder]: For program point L909(lines 909 920) no Hoare annotation was computed. [2021-07-04 22:10:44,954 INFO L762 garLoopResultBuilder]: For program point L843(lines 843 858) no Hoare annotation was computed. [2021-07-04 22:10:44,954 INFO L762 garLoopResultBuilder]: For program point L513(lines 513 515) no Hoare annotation was computed. [2021-07-04 22:10:44,954 INFO L762 garLoopResultBuilder]: For program point L381(lines 381 392) no Hoare annotation was computed. [2021-07-04 22:10:44,954 INFO L762 garLoopResultBuilder]: For program point L249(lines 249 260) no Hoare annotation was computed. [2021-07-04 22:10:44,955 INFO L762 garLoopResultBuilder]: For program point L183(lines 183 198) no Hoare annotation was computed. [2021-07-04 22:10:44,955 INFO L762 garLoopResultBuilder]: For program point L117(lines 117 128) no Hoare annotation was computed. [2021-07-04 22:10:44,955 INFO L762 garLoopResultBuilder]: For program point L1109(lines 1109 1111) no Hoare annotation was computed. [2021-07-04 22:10:44,955 INFO L762 garLoopResultBuilder]: For program point L977(lines 977 979) no Hoare annotation was computed. [2021-07-04 22:10:44,955 INFO L762 garLoopResultBuilder]: For program point L845(lines 845 856) no Hoare annotation was computed. [2021-07-04 22:10:44,955 INFO L762 garLoopResultBuilder]: For program point L779(lines 779 794) no Hoare annotation was computed. [2021-07-04 22:10:44,955 INFO L762 garLoopResultBuilder]: For program point L449(lines 449 451) no Hoare annotation was computed. [2021-07-04 22:10:44,956 INFO L762 garLoopResultBuilder]: For program point L317(lines 317 319) no Hoare annotation was computed. [2021-07-04 22:10:44,956 INFO L762 garLoopResultBuilder]: For program point L185(lines 185 196) no Hoare annotation was computed. [2021-07-04 22:10:44,956 INFO L762 garLoopResultBuilder]: For program point L53(lines 53 55) no Hoare annotation was computed. [2021-07-04 22:10:44,956 INFO L762 garLoopResultBuilder]: For program point L913(lines 913 915) no Hoare annotation was computed. [2021-07-04 22:10:44,956 INFO L762 garLoopResultBuilder]: For program point L781(lines 781 792) no Hoare annotation was computed. [2021-07-04 22:10:44,956 INFO L762 garLoopResultBuilder]: For program point L715(lines 715 730) no Hoare annotation was computed. [2021-07-04 22:10:44,956 INFO L762 garLoopResultBuilder]: For program point L385(lines 385 387) no Hoare annotation was computed. [2021-07-04 22:10:44,956 INFO L762 garLoopResultBuilder]: For program point L253(lines 253 255) no Hoare annotation was computed. [2021-07-04 22:10:44,957 INFO L762 garLoopResultBuilder]: For program point L121(lines 121 123) no Hoare annotation was computed. [2021-07-04 22:10:44,957 INFO L762 garLoopResultBuilder]: For program point L849(lines 849 851) no Hoare annotation was computed. [2021-07-04 22:10:44,957 INFO L762 garLoopResultBuilder]: For program point L717(lines 717 728) no Hoare annotation was computed. [2021-07-04 22:10:44,957 INFO L762 garLoopResultBuilder]: For program point L651(lines 651 666) no Hoare annotation was computed. [2021-07-04 22:10:44,957 INFO L762 garLoopResultBuilder]: For program point L189(lines 189 191) no Hoare annotation was computed. [2021-07-04 22:10:44,957 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-04 22:10:44,957 INFO L762 garLoopResultBuilder]: For program point L785(lines 785 787) no Hoare annotation was computed. [2021-07-04 22:10:44,958 INFO L762 garLoopResultBuilder]: For program point L653(lines 653 664) no Hoare annotation was computed. [2021-07-04 22:10:44,958 INFO L762 garLoopResultBuilder]: For program point L587(lines 587 602) no Hoare annotation was computed. [2021-07-04 22:10:44,958 INFO L758 garLoopResultBuilder]: At program point L1248(lines 34 1252) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~this_m_conn~0 1)) (.cse2 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0)) (.cse0 (= ULTIMATE.start_main_~this_m_delta~0 1))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 1) (= ULTIMATE.start_main_~q~0 3)) (and .cse2 .cse0 .cse1 (<= 4 ULTIMATE.start_main_~q~0)) (and .cse2 (= ULTIMATE.start_main_~q~0 2) .cse0 (= ULTIMATE.start_main_~this_m_conn~0 0)) (and .cse0 (= ULTIMATE.start_main_~q~0 0)))) [2021-07-04 22:10:44,958 INFO L762 garLoopResultBuilder]: For program point L1183(lines 1183 1198) no Hoare annotation was computed. [2021-07-04 22:10:44,958 INFO L762 garLoopResultBuilder]: For program point L1051(lines 1051 1066) no Hoare annotation was computed. [2021-07-04 22:10:44,958 INFO L762 garLoopResultBuilder]: For program point L721(lines 721 723) no Hoare annotation was computed. [2021-07-04 22:10:44,959 INFO L762 garLoopResultBuilder]: For program point L589(lines 589 600) no Hoare annotation was computed. [2021-07-04 22:10:44,959 INFO L762 garLoopResultBuilder]: For program point L523(lines 523 538) no Hoare annotation was computed. [2021-07-04 22:10:44,959 INFO L762 garLoopResultBuilder]: For program point L1185(lines 1185 1196) no Hoare annotation was computed. [2021-07-04 22:10:44,959 INFO L762 garLoopResultBuilder]: For program point L1119(lines 1119 1134) no Hoare annotation was computed. [2021-07-04 22:10:44,959 INFO L762 garLoopResultBuilder]: For program point L1053(lines 1053 1064) no Hoare annotation was computed. [2021-07-04 22:10:44,959 INFO L762 garLoopResultBuilder]: For program point L987(lines 987 1002) no Hoare annotation was computed. [2021-07-04 22:10:44,959 INFO L762 garLoopResultBuilder]: For program point L657(lines 657 659) no Hoare annotation was computed. [2021-07-04 22:10:44,960 INFO L762 garLoopResultBuilder]: For program point L525(lines 525 536) no Hoare annotation was computed. [2021-07-04 22:10:44,960 INFO L762 garLoopResultBuilder]: For program point L459(lines 459 474) no Hoare annotation was computed. [2021-07-04 22:10:44,960 INFO L762 garLoopResultBuilder]: For program point L1121(lines 1121 1132) no Hoare annotation was computed. [2021-07-04 22:10:44,960 INFO L762 garLoopResultBuilder]: For program point L989(lines 989 1000) no Hoare annotation was computed. [2021-07-04 22:10:44,960 INFO L762 garLoopResultBuilder]: For program point L923(lines 923 938) no Hoare annotation was computed. [2021-07-04 22:10:44,960 INFO L762 garLoopResultBuilder]: For program point L593(lines 593 595) no Hoare annotation was computed. [2021-07-04 22:10:44,960 INFO L762 garLoopResultBuilder]: For program point L461(lines 461 472) no Hoare annotation was computed. [2021-07-04 22:10:44,960 INFO L762 garLoopResultBuilder]: For program point L395(lines 395 410) no Hoare annotation was computed. [2021-07-04 22:10:44,961 INFO L762 garLoopResultBuilder]: For program point L263(lines 263 278) no Hoare annotation was computed. [2021-07-04 22:10:44,961 INFO L762 garLoopResultBuilder]: For program point L131(lines 131 146) no Hoare annotation was computed. [2021-07-04 22:10:44,961 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-04 22:10:44,961 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1256) no Hoare annotation was computed. [2021-07-04 22:10:44,961 INFO L762 garLoopResultBuilder]: For program point L330(lines 330 1069) no Hoare annotation was computed. [2021-07-04 22:10:44,961 INFO L762 garLoopResultBuilder]: For program point L1189(lines 1189 1191) no Hoare annotation was computed. [2021-07-04 22:10:44,962 INFO L762 garLoopResultBuilder]: For program point L66(lines 66 149) no Hoare annotation was computed. [2021-07-04 22:10:44,962 INFO L762 garLoopResultBuilder]: For program point L1057(lines 1057 1059) no Hoare annotation was computed. [2021-07-04 22:10:44,962 INFO L762 garLoopResultBuilder]: For program point L925(lines 925 936) no Hoare annotation was computed. [2021-07-04 22:10:44,962 INFO L762 garLoopResultBuilder]: For program point L859(lines 859 874) no Hoare annotation was computed. [2021-07-04 22:10:44,962 INFO L762 garLoopResultBuilder]: For program point L529(lines 529 531) no Hoare annotation was computed. [2021-07-04 22:10:44,962 INFO L762 garLoopResultBuilder]: For program point L397(lines 397 408) no Hoare annotation was computed. [2021-07-04 22:10:44,962 INFO L762 garLoopResultBuilder]: For program point L331(lines 331 346) no Hoare annotation was computed. [2021-07-04 22:10:44,962 INFO L762 garLoopResultBuilder]: For program point L265(lines 265 276) no Hoare annotation was computed. [2021-07-04 22:10:44,963 INFO L762 garLoopResultBuilder]: For program point L199(lines 199 214) no Hoare annotation was computed. [2021-07-04 22:10:44,963 INFO L762 garLoopResultBuilder]: For program point L133(lines 133 144) no Hoare annotation was computed. [2021-07-04 22:10:44,963 INFO L762 garLoopResultBuilder]: For program point L67(lines 67 82) no Hoare annotation was computed. [2021-07-04 22:10:44,963 INFO L762 garLoopResultBuilder]: For program point L1125(lines 1125 1127) no Hoare annotation was computed. [2021-07-04 22:10:44,963 INFO L762 garLoopResultBuilder]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-07-04 22:10:44,963 INFO L762 garLoopResultBuilder]: For program point L861(lines 861 872) no Hoare annotation was computed. [2021-07-04 22:10:44,963 INFO L762 garLoopResultBuilder]: For program point L795(lines 795 810) no Hoare annotation was computed. [2021-07-04 22:10:44,964 INFO L762 garLoopResultBuilder]: For program point L465(lines 465 467) no Hoare annotation was computed. [2021-07-04 22:10:44,964 INFO L762 garLoopResultBuilder]: For program point L333(lines 333 344) no Hoare annotation was computed. [2021-07-04 22:10:44,964 INFO L762 garLoopResultBuilder]: For program point L201(lines 201 212) no Hoare annotation was computed. [2021-07-04 22:10:44,964 INFO L762 garLoopResultBuilder]: For program point L69(lines 69 80) no Hoare annotation was computed. [2021-07-04 22:10:44,964 INFO L762 garLoopResultBuilder]: For program point L929(lines 929 931) no Hoare annotation was computed. [2021-07-04 22:10:44,964 INFO L762 garLoopResultBuilder]: For program point L797(lines 797 808) no Hoare annotation was computed. [2021-07-04 22:10:44,964 INFO L762 garLoopResultBuilder]: For program point L731(lines 731 746) no Hoare annotation was computed. [2021-07-04 22:10:44,965 INFO L762 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-07-04 22:10:44,965 INFO L762 garLoopResultBuilder]: For program point L269(lines 269 271) no Hoare annotation was computed. [2021-07-04 22:10:44,965 INFO L762 garLoopResultBuilder]: For program point L137(lines 137 139) no Hoare annotation was computed. [2021-07-04 22:10:44,965 INFO L762 garLoopResultBuilder]: For program point L865(lines 865 867) no Hoare annotation was computed. [2021-07-04 22:10:44,965 INFO L762 garLoopResultBuilder]: For program point L733(lines 733 744) no Hoare annotation was computed. [2021-07-04 22:10:44,965 INFO L762 garLoopResultBuilder]: For program point L667(lines 667 682) no Hoare annotation was computed. [2021-07-04 22:10:44,965 INFO L762 garLoopResultBuilder]: For program point L337(lines 337 339) no Hoare annotation was computed. [2021-07-04 22:10:44,965 INFO L762 garLoopResultBuilder]: For program point L205(lines 205 207) no Hoare annotation was computed. [2021-07-04 22:10:44,965 INFO L762 garLoopResultBuilder]: For program point L73(lines 73 75) no Hoare annotation was computed. [2021-07-04 22:10:44,966 INFO L762 garLoopResultBuilder]: For program point L801(lines 801 803) no Hoare annotation was computed. [2021-07-04 22:10:44,966 INFO L762 garLoopResultBuilder]: For program point L669(lines 669 680) no Hoare annotation was computed. [2021-07-04 22:10:44,966 INFO L762 garLoopResultBuilder]: For program point L603(lines 603 618) no Hoare annotation was computed. [2021-07-04 22:10:44,966 INFO L762 garLoopResultBuilder]: For program point L1199(lines 1199 1214) no Hoare annotation was computed. [2021-07-04 22:10:44,966 INFO L762 garLoopResultBuilder]: For program point L737(lines 737 739) no Hoare annotation was computed. [2021-07-04 22:10:44,966 INFO L762 garLoopResultBuilder]: For program point L605(lines 605 616) no Hoare annotation was computed. [2021-07-04 22:10:44,966 INFO L762 garLoopResultBuilder]: For program point L539(lines 539 554) no Hoare annotation was computed. [2021-07-04 22:10:44,966 INFO L762 garLoopResultBuilder]: For program point L1201(lines 1201 1212) no Hoare annotation was computed. [2021-07-04 22:10:44,967 INFO L762 garLoopResultBuilder]: For program point L1135(lines 1135 1150) no Hoare annotation was computed. [2021-07-04 22:10:44,967 INFO L762 garLoopResultBuilder]: For program point L1003(lines 1003 1018) no Hoare annotation was computed. [2021-07-04 22:10:44,967 INFO L762 garLoopResultBuilder]: For program point L673(lines 673 675) no Hoare annotation was computed. [2021-07-04 22:10:44,967 INFO L762 garLoopResultBuilder]: For program point L541(lines 541 552) no Hoare annotation was computed. [2021-07-04 22:10:44,967 INFO L762 garLoopResultBuilder]: For program point L475(lines 475 490) no Hoare annotation was computed. [2021-07-04 22:10:44,967 INFO L762 garLoopResultBuilder]: For program point L1070(lines 1070 1249) no Hoare annotation was computed. [2021-07-04 22:10:44,967 INFO L762 garLoopResultBuilder]: For program point L1137(lines 1137 1148) no Hoare annotation was computed. [2021-07-04 22:10:44,967 INFO L762 garLoopResultBuilder]: For program point L1071(lines 1071 1086) no Hoare annotation was computed. [2021-07-04 22:10:44,967 INFO L762 garLoopResultBuilder]: For program point L1005(lines 1005 1016) no Hoare annotation was computed. [2021-07-04 22:10:44,968 INFO L762 garLoopResultBuilder]: For program point L939(lines 939 954) no Hoare annotation was computed. [2021-07-04 22:10:44,968 INFO L762 garLoopResultBuilder]: For program point L609(lines 609 611) no Hoare annotation was computed. [2021-07-04 22:10:44,968 INFO L762 garLoopResultBuilder]: For program point L477(lines 477 488) no Hoare annotation was computed. [2021-07-04 22:10:44,968 INFO L762 garLoopResultBuilder]: For program point L411(lines 411 426) no Hoare annotation was computed. [2021-07-04 22:10:44,968 INFO L762 garLoopResultBuilder]: For program point L279(lines 279 294) no Hoare annotation was computed. [2021-07-04 22:10:44,968 INFO L762 garLoopResultBuilder]: For program point L1205(lines 1205 1207) no Hoare annotation was computed. [2021-07-04 22:10:44,968 INFO L762 garLoopResultBuilder]: For program point L1073(lines 1073 1084) no Hoare annotation was computed. [2021-07-04 22:10:44,968 INFO L762 garLoopResultBuilder]: For program point L941(lines 941 952) no Hoare annotation was computed. [2021-07-04 22:10:44,969 INFO L762 garLoopResultBuilder]: For program point L875(lines 875 890) no Hoare annotation was computed. [2021-07-04 22:10:44,969 INFO L762 garLoopResultBuilder]: For program point L545(lines 545 547) no Hoare annotation was computed. [2021-07-04 22:10:44,969 INFO L762 garLoopResultBuilder]: For program point L413(lines 413 424) no Hoare annotation was computed. [2021-07-04 22:10:44,969 INFO L762 garLoopResultBuilder]: For program point L347(lines 347 362) no Hoare annotation was computed. [2021-07-04 22:10:44,969 INFO L762 garLoopResultBuilder]: For program point L281(lines 281 292) no Hoare annotation was computed. [2021-07-04 22:10:44,969 INFO L762 garLoopResultBuilder]: For program point L215(lines 215 230) no Hoare annotation was computed. [2021-07-04 22:10:44,969 INFO L762 garLoopResultBuilder]: For program point L83(lines 83 98) no Hoare annotation was computed. [2021-07-04 22:10:44,969 INFO L762 garLoopResultBuilder]: For program point L150(lines 150 329) no Hoare annotation was computed. [2021-07-04 22:10:44,970 INFO L762 garLoopResultBuilder]: For program point L1141(lines 1141 1143) no Hoare annotation was computed. [2021-07-04 22:10:44,970 INFO L765 garLoopResultBuilder]: At program point L18(lines 18 1257) the Hoare annotation is: true [2021-07-04 22:10:44,970 INFO L762 garLoopResultBuilder]: For program point L1009(lines 1009 1011) no Hoare annotation was computed. [2021-07-04 22:10:44,970 INFO L762 garLoopResultBuilder]: For program point L877(lines 877 888) no Hoare annotation was computed. [2021-07-04 22:10:44,970 INFO L762 garLoopResultBuilder]: For program point L811(lines 811 826) no Hoare annotation was computed. [2021-07-04 22:10:44,970 INFO L762 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2021-07-04 22:10:44,970 INFO L762 garLoopResultBuilder]: For program point L349(lines 349 360) no Hoare annotation was computed. [2021-07-04 22:10:44,970 INFO L762 garLoopResultBuilder]: For program point L217(lines 217 228) no Hoare annotation was computed. [2021-07-04 22:10:44,971 INFO L762 garLoopResultBuilder]: For program point L151(lines 151 166) no Hoare annotation was computed. [2021-07-04 22:10:44,971 INFO L762 garLoopResultBuilder]: For program point L85(lines 85 96) no Hoare annotation was computed. [2021-07-04 22:10:44,971 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-04 22:10:44,971 INFO L762 garLoopResultBuilder]: For program point L1077(lines 1077 1079) no Hoare annotation was computed. [2021-07-04 22:10:44,971 INFO L762 garLoopResultBuilder]: For program point L945(lines 945 947) no Hoare annotation was computed. [2021-07-04 22:10:44,971 INFO L762 garLoopResultBuilder]: For program point L813(lines 813 824) no Hoare annotation was computed. [2021-07-04 22:10:44,971 INFO L762 garLoopResultBuilder]: For program point L747(lines 747 762) no Hoare annotation was computed. [2021-07-04 22:10:44,971 INFO L762 garLoopResultBuilder]: For program point L417(lines 417 419) no Hoare annotation was computed. [2021-07-04 22:10:44,972 INFO L762 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2021-07-04 22:10:44,972 INFO L762 garLoopResultBuilder]: For program point L153(lines 153 164) no Hoare annotation was computed. [2021-07-04 22:10:44,972 INFO L762 garLoopResultBuilder]: For program point L881(lines 881 883) no Hoare annotation was computed. [2021-07-04 22:10:44,972 INFO L762 garLoopResultBuilder]: For program point L749(lines 749 760) no Hoare annotation was computed. [2021-07-04 22:10:44,972 INFO L762 garLoopResultBuilder]: For program point L683(lines 683 698) no Hoare annotation was computed. [2021-07-04 22:10:44,972 INFO L762 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2021-07-04 22:10:44,972 INFO L762 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2021-07-04 22:10:44,972 INFO L762 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2021-07-04 22:10:44,973 INFO L762 garLoopResultBuilder]: For program point L817(lines 817 819) no Hoare annotation was computed. [2021-07-04 22:10:44,973 INFO L762 garLoopResultBuilder]: For program point L685(lines 685 696) no Hoare annotation was computed. [2021-07-04 22:10:44,973 INFO L762 garLoopResultBuilder]: For program point L619(lines 619 634) no Hoare annotation was computed. [2021-07-04 22:10:44,973 INFO L762 garLoopResultBuilder]: For program point L157(lines 157 159) no Hoare annotation was computed. [2021-07-04 22:10:44,973 INFO L762 garLoopResultBuilder]: For program point L1215(lines 1215 1230) no Hoare annotation was computed. [2021-07-04 22:10:44,973 INFO L762 garLoopResultBuilder]: For program point L753(lines 753 755) no Hoare annotation was computed. [2021-07-04 22:10:44,973 INFO L762 garLoopResultBuilder]: For program point L621(lines 621 632) no Hoare annotation was computed. [2021-07-04 22:10:44,973 INFO L762 garLoopResultBuilder]: For program point L555(lines 555 570) no Hoare annotation was computed. [2021-07-04 22:10:44,974 INFO L762 garLoopResultBuilder]: For program point L1217(lines 1217 1228) no Hoare annotation was computed. [2021-07-04 22:10:44,974 INFO L762 garLoopResultBuilder]: For program point L1151(lines 1151 1166) no Hoare annotation was computed. [2021-07-04 22:10:44,974 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-04 22:10:44,974 INFO L762 garLoopResultBuilder]: For program point L1019(lines 1019 1034) no Hoare annotation was computed. [2021-07-04 22:10:44,974 INFO L762 garLoopResultBuilder]: For program point L689(lines 689 691) no Hoare annotation was computed. [2021-07-04 22:10:44,974 INFO L762 garLoopResultBuilder]: For program point L557(lines 557 568) no Hoare annotation was computed. [2021-07-04 22:10:44,974 INFO L762 garLoopResultBuilder]: For program point L491(lines 491 506) no Hoare annotation was computed. [2021-07-04 22:10:44,974 INFO L762 garLoopResultBuilder]: For program point L1153(lines 1153 1164) no Hoare annotation was computed. [2021-07-04 22:10:44,974 INFO L762 garLoopResultBuilder]: For program point L1087(lines 1087 1102) no Hoare annotation was computed. [2021-07-04 22:10:44,975 INFO L762 garLoopResultBuilder]: For program point L1021(lines 1021 1032) no Hoare annotation was computed. [2021-07-04 22:10:44,975 INFO L762 garLoopResultBuilder]: For program point L955(lines 955 970) no Hoare annotation was computed. [2021-07-04 22:10:44,975 INFO L762 garLoopResultBuilder]: For program point L625(lines 625 627) no Hoare annotation was computed. [2021-07-04 22:10:44,975 INFO L762 garLoopResultBuilder]: For program point L493(lines 493 504) no Hoare annotation was computed. [2021-07-04 22:10:44,975 INFO L762 garLoopResultBuilder]: For program point L427(lines 427 442) no Hoare annotation was computed. [2021-07-04 22:10:44,975 INFO L762 garLoopResultBuilder]: For program point L295(lines 295 310) no Hoare annotation was computed. [2021-07-04 22:10:44,975 INFO L762 garLoopResultBuilder]: For program point L1221(lines 1221 1223) no Hoare annotation was computed. [2021-07-04 22:10:44,975 INFO L762 garLoopResultBuilder]: For program point L1089(lines 1089 1100) no Hoare annotation was computed. [2021-07-04 22:10:44,976 INFO L762 garLoopResultBuilder]: For program point L957(lines 957 968) no Hoare annotation was computed. [2021-07-04 22:10:44,976 INFO L762 garLoopResultBuilder]: For program point L891(lines 891 906) no Hoare annotation was computed. [2021-07-04 22:10:44,976 INFO L762 garLoopResultBuilder]: For program point L561(lines 561 563) no Hoare annotation was computed. [2021-07-04 22:10:44,976 INFO L762 garLoopResultBuilder]: For program point L429(lines 429 440) no Hoare annotation was computed. [2021-07-04 22:10:44,976 INFO L762 garLoopResultBuilder]: For program point L363(lines 363 378) no Hoare annotation was computed. [2021-07-04 22:10:44,976 INFO L762 garLoopResultBuilder]: For program point L297(lines 297 308) no Hoare annotation was computed. [2021-07-04 22:10:44,976 INFO L762 garLoopResultBuilder]: For program point L231(lines 231 246) no Hoare annotation was computed. [2021-07-04 22:10:44,976 INFO L762 garLoopResultBuilder]: For program point L99(lines 99 114) no Hoare annotation was computed. [2021-07-04 22:10:44,977 INFO L762 garLoopResultBuilder]: For program point L1157(lines 1157 1159) no Hoare annotation was computed. [2021-07-04 22:10:44,977 INFO L762 garLoopResultBuilder]: For program point L1025(lines 1025 1027) no Hoare annotation was computed. [2021-07-04 22:10:44,977 INFO L758 garLoopResultBuilder]: At program point L34-2(lines 34 1252) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~this_m_conn_data_listener~0 0)) (.cse1 (= ULTIMATE.start_main_~this_m_delta~0 1))) (or (and .cse0 .cse1 (= ULTIMATE.start_main_~this_m_conn~0 1) (<= 4 ULTIMATE.start_main_~q~0)) (and .cse0 .cse1 (= ULTIMATE.start_main_~q~0 0) (= ULTIMATE.start_main_~this_m_conn~0 0)))) [2021-07-04 22:10:44,977 INFO L762 garLoopResultBuilder]: For program point L34-3(lines 34 1252) no Hoare annotation was computed. [2021-07-04 22:10:44,977 INFO L762 garLoopResultBuilder]: For program point L893(lines 893 904) no Hoare annotation was computed. [2021-07-04 22:10:44,977 INFO L762 garLoopResultBuilder]: For program point L827(lines 827 842) no Hoare annotation was computed. [2021-07-04 22:10:44,977 INFO L762 garLoopResultBuilder]: For program point L497(lines 497 499) no Hoare annotation was computed. [2021-07-04 22:10:44,978 INFO L762 garLoopResultBuilder]: For program point L365(lines 365 376) no Hoare annotation was computed. [2021-07-04 22:10:44,978 INFO L762 garLoopResultBuilder]: For program point L233(lines 233 244) no Hoare annotation was computed. [2021-07-04 22:10:44,978 INFO L762 garLoopResultBuilder]: For program point L167(lines 167 182) no Hoare annotation was computed. [2021-07-04 22:10:44,978 INFO L762 garLoopResultBuilder]: For program point L101(lines 101 112) no Hoare annotation was computed. [2021-07-04 22:10:44,978 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-07-04 22:10:44,978 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-04 22:10:44,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.07 10:10:44 BoogieIcfgContainer [2021-07-04 22:10:44,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-04 22:10:44,995 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-04 22:10:44,995 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-04 22:10:44,995 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-04 22:10:44,996 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.07 10:10:42" (3/4) ... [2021-07-04 22:10:44,998 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-04 22:10:45,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-07-04 22:10:45,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-07-04 22:10:45,016 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-04 22:10:45,017 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-04 22:10:45,038 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-04 22:10:45,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-04 22:10:45,040 INFO L168 Benchmark]: Toolchain (without parser) took 5721.35 ms. Allocated memory was 52.4 MB in the beginning and 388.0 MB in the end (delta: 335.5 MB). Free memory was 28.7 MB in the beginning and 168.8 MB in the end (delta: -140.1 MB). Peak memory consumption was 195.6 MB. Max. memory is 16.1 GB. [2021-07-04 22:10:45,040 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-04 22:10:45,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.72 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 28.4 MB in the beginning and 30.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2021-07-04 22:10:45,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 192.88 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 30.8 MB in the beginning and 63.0 MB in the end (delta: -32.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. [2021-07-04 22:10:45,041 INFO L168 Benchmark]: Boogie Preprocessor took 154.86 ms. Allocated memory is still 113.2 MB. Free memory was 63.0 MB in the beginning and 51.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-07-04 22:10:45,041 INFO L168 Benchmark]: RCFGBuilder took 1669.24 ms. Allocated memory was 113.2 MB in the beginning and 230.7 MB in the end (delta: 117.4 MB). Free memory was 51.4 MB in the beginning and 159.3 MB in the end (delta: -107.9 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.1 GB. [2021-07-04 22:10:45,042 INFO L168 Benchmark]: TraceAbstraction took 2710.42 ms. Allocated memory was 230.7 MB in the beginning and 388.0 MB in the end (delta: 157.3 MB). Free memory was 159.3 MB in the beginning and 173.0 MB in the end (delta: -13.7 MB). Peak memory consumption was 142.7 MB. Max. memory is 16.1 GB. [2021-07-04 22:10:45,042 INFO L168 Benchmark]: Witness Printer took 43.97 ms. Allocated memory is still 388.0 MB. Free memory was 173.0 MB in the beginning and 168.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-04 22:10:45,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 52.4 MB. Free memory was 34.1 MB in the beginning and 34.1 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 942.72 ms. Allocated memory was 52.4 MB in the beginning and 79.7 MB in the end (delta: 27.3 MB). Free memory was 28.4 MB in the beginning and 30.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 192.88 ms. Allocated memory was 79.7 MB in the beginning and 113.2 MB in the end (delta: 33.6 MB). Free memory was 30.8 MB in the beginning and 63.0 MB in the end (delta: -32.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 154.86 ms. Allocated memory is still 113.2 MB. Free memory was 63.0 MB in the beginning and 51.4 MB in the end (delta: 11.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1669.24 ms. Allocated memory was 113.2 MB in the beginning and 230.7 MB in the end (delta: 117.4 MB). Free memory was 51.4 MB in the beginning and 159.3 MB in the end (delta: -107.9 MB). Peak memory consumption was 71.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2710.42 ms. Allocated memory was 230.7 MB in the beginning and 388.0 MB in the end (delta: 157.3 MB). Free memory was 159.3 MB in the beginning and 173.0 MB in the end (delta: -13.7 MB). Peak memory consumption was 142.7 MB. Max. memory is 16.1 GB. * Witness Printer took 43.97 ms. Allocated memory is still 388.0 MB. Free memory was 173.0 MB in the beginning and 168.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1256]: 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 for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2642.5ms, OverallIterations: 11, TraceHistogramMax: 3, EmptinessCheckTime: 17.6ms, AutomataDifference: 1640.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 115.1ms, InitialAbstractionConstructionTime: 12.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3823 SDtfs, 1581 SDslu, 1641 SDs, 0 SdLazy, 630 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1074.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 135.1ms AutomataMinimizationTime, 11 MinimizatonAttempts, 43 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 11 NumberOfFragments, 76 HoareAnnotationTreeSize, 4 FomulaSimplifications, 26 FormulaSimplificationTreeSizeReduction, 11.0ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 97.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 32.3ms SsaConstructionTime, 164.1ms SatisfiabilityAnalysisTime, 309.9ms InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 47/47 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: 34]: Loop Invariant Derived loop invariant: (((this_m_conn_data_listener == 0 && this_m_delta == 1) && this_m_conn == 1) && 4 <= q) || (((this_m_conn_data_listener == 0 && this_m_delta == 1) && q == 0) && this_m_conn == 0) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((this_m_delta == 1 && this_m_conn == 1) && this_m_conn_data_listener == 1) && q == 3) || (((this_m_conn_data_listener == 0 && this_m_delta == 1) && this_m_conn == 1) && 4 <= q)) || (((this_m_conn_data_listener == 0 && q == 2) && this_m_delta == 1) && this_m_conn == 0)) || (this_m_delta == 1 && q == 0) RESULT: Ultimate proved your program to be correct! [2021-07-04 22:10:45,077 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...