/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/psyco/psyco_io_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:10:56,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:10:56,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:10:56,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 00:10:56,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 00:10:56,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 00:10:56,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 00:10:56,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 00:10:56,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 00:10:56,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 00:10:56,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 00:10:56,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 00:10:56,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:10:56,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:10:56,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:10:56,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:10:56,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:10:56,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:10:56,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:10:56,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:10:56,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:10:56,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:10:56,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:10:56,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:10:56,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 00:10:56,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 00:10:56,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 00:10:56,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 00:10:56,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 00:10:56,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 00:10:56,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 00:10:56,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 00:10:56,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 00:10:56,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 00:10:56,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 00:10:56,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 00:10:56,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 00:10:56,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 00:10:56,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 00:10:56,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 00:10:56,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 00:10:56,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:10:56,696 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:10:56,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:10:56,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:10:56,702 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:10:56,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:10:56,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:10:56,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:10:56,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:10:56,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:10:56,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:10:56,704 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:10:56,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:10:56,704 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:10:56,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:10:56,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:10:56,705 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:10:56,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:10:56,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:10:56,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:10:56,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:10:56,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:10:56,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:10:56,707 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:10:57,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:10:57,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:10:57,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:10:57,144 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:10:57,145 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:10:57,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1.c [2021-02-24 00:10:57,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fd8d8b5d/e8edc538bfae4f7db6c925e1d74e0e4a/FLAG4806b07f6 [2021-02-24 00:10:57,936 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:10:57,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1.c [2021-02-24 00:10:57,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fd8d8b5d/e8edc538bfae4f7db6c925e1d74e0e4a/FLAG4806b07f6 [2021-02-24 00:10:58,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fd8d8b5d/e8edc538bfae4f7db6c925e1d74e0e4a [2021-02-24 00:10:58,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:10:58,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:10:58,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:10:58,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:10:58,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:10:58,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:10:58" (1/1) ... [2021-02-24 00:10:58,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e472bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58, skipping insertion in model container [2021-02-24 00:10:58,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:10:58" (1/1) ... [2021-02-24 00:10:58,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:10:58,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:10:58,527 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1.c[11478,11491] [2021-02-24 00:10:58,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:10:58,545 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:10:58,585 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1.c[11478,11491] [2021-02-24 00:10:58,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:10:58,622 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:10:58,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58 WrapperNode [2021-02-24 00:10:58,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:10:58,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:10:58,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:10:58,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:10:58,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58" (1/1) ... [2021-02-24 00:10:58,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58" (1/1) ... [2021-02-24 00:10:58,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58" (1/1) ... [2021-02-24 00:10:58,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58" (1/1) ... [2021-02-24 00:10:58,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58" (1/1) ... [2021-02-24 00:10:58,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58" (1/1) ... [2021-02-24 00:10:58,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58" (1/1) ... [2021-02-24 00:10:58,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:10:58,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:10:58,731 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:10:58,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:10:58,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:10:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:10:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:10:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:10:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:10:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 00:10:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:10:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:10:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:10:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:10:58,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:10:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:10:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:10:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:10:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:10:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:10:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:11:00,076 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:11:00,076 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 00:11:00,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:11:00 BoogieIcfgContainer [2021-02-24 00:11:00,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:11:00,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:11:00,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:11:00,085 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:11:00,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:10:58" (1/3) ... [2021-02-24 00:11:00,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9db27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:11:00, skipping insertion in model container [2021-02-24 00:11:00,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:10:58" (2/3) ... [2021-02-24 00:11:00,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9db27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:11:00, skipping insertion in model container [2021-02-24 00:11:00,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:11:00" (3/3) ... [2021-02-24 00:11:00,089 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_io_1.c [2021-02-24 00:11:00,094 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:11:00,099 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:11:00,117 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:11:00,143 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:11:00,144 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:11:00,144 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:11:00,144 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:11:00,144 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:11:00,144 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:11:00,144 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:11:00,144 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:11:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2021-02-24 00:11:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-02-24 00:11:00,179 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:11:00,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:11:00,181 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:11:00,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:11:00,188 INFO L82 PathProgramCache]: Analyzing trace with hash 897627995, now seen corresponding path program 1 times [2021-02-24 00:11:00,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:11:00,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1627105631] [2021-02-24 00:11:00,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:11:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:00,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:00,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:00,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:00,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:11:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:00,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:00,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:11:00,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1627105631] [2021-02-24 00:11:00,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:11:00,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 00:11:00,608 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475715785] [2021-02-24 00:11:00,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 00:11:00,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:11:00,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 00:11:00,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 00:11:00,645 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 3 states. [2021-02-24 00:11:00,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:11:00,974 INFO L93 Difference]: Finished difference Result 377 states and 491 transitions. [2021-02-24 00:11:00,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 00:11:00,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2021-02-24 00:11:00,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:11:01,019 INFO L225 Difference]: With dead ends: 377 [2021-02-24 00:11:01,020 INFO L226 Difference]: Without dead ends: 171 [2021-02-24 00:11:01,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 00:11:01,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2021-02-24 00:11:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2021-02-24 00:11:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2021-02-24 00:11:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 201 transitions. [2021-02-24 00:11:01,213 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 201 transitions. Word has length 43 [2021-02-24 00:11:01,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:11:01,214 INFO L480 AbstractCegarLoop]: Abstraction has 171 states and 201 transitions. [2021-02-24 00:11:01,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 00:11:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 201 transitions. [2021-02-24 00:11:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-02-24 00:11:01,219 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:11:01,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:11:01,220 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:11:01,220 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:11:01,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:11:01,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1048430808, now seen corresponding path program 1 times [2021-02-24 00:11:01,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:11:01,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566048309] [2021-02-24 00:11:01,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:11:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:01,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:01,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:01,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:01,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:11:01,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:01,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:11:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:01,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:01,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:11:01,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566048309] [2021-02-24 00:11:01,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:11:01,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 00:11:01,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264812328] [2021-02-24 00:11:01,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 00:11:01,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:11:01,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 00:11:01,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 00:11:01,486 INFO L87 Difference]: Start difference. First operand 171 states and 201 transitions. Second operand 4 states. [2021-02-24 00:11:02,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:11:02,114 INFO L93 Difference]: Finished difference Result 335 states and 396 transitions. [2021-02-24 00:11:02,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 00:11:02,115 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2021-02-24 00:11:02,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:11:02,117 INFO L225 Difference]: With dead ends: 335 [2021-02-24 00:11:02,117 INFO L226 Difference]: Without dead ends: 186 [2021-02-24 00:11:02,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:11:02,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-02-24 00:11:02,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-02-24 00:11:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-02-24 00:11:02,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 216 transitions. [2021-02-24 00:11:02,169 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 216 transitions. Word has length 44 [2021-02-24 00:11:02,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:11:02,170 INFO L480 AbstractCegarLoop]: Abstraction has 186 states and 216 transitions. [2021-02-24 00:11:02,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 00:11:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 216 transitions. [2021-02-24 00:11:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-02-24 00:11:02,173 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:11:02,173 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:11:02,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 00:11:02,173 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:11:02,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:11:02,174 INFO L82 PathProgramCache]: Analyzing trace with hash -102069769, now seen corresponding path program 1 times [2021-02-24 00:11:02,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:11:02,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650402172] [2021-02-24 00:11:02,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:11:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:02,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:02,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:02,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:02,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:11:02,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:02,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:02,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:11:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:02,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:02,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:11:02,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650402172] [2021-02-24 00:11:02,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:11:02,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 00:11:02,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440721406] [2021-02-24 00:11:02,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 00:11:02,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:11:02,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 00:11:02,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 00:11:02,374 INFO L87 Difference]: Start difference. First operand 186 states and 216 transitions. Second operand 4 states. [2021-02-24 00:11:02,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:11:02,803 INFO L93 Difference]: Finished difference Result 367 states and 429 transitions. [2021-02-24 00:11:02,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 00:11:02,804 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 66 [2021-02-24 00:11:02,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:11:02,806 INFO L225 Difference]: With dead ends: 367 [2021-02-24 00:11:02,806 INFO L226 Difference]: Without dead ends: 204 [2021-02-24 00:11:02,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:11:02,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-02-24 00:11:02,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2021-02-24 00:11:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2021-02-24 00:11:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 232 transitions. [2021-02-24 00:11:02,858 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 232 transitions. Word has length 66 [2021-02-24 00:11:02,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:11:02,859 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 232 transitions. [2021-02-24 00:11:02,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 00:11:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 232 transitions. [2021-02-24 00:11:02,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-02-24 00:11:02,861 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:11:02,861 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:11:02,862 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 00:11:02,862 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:11:02,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:11:02,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1806423234, now seen corresponding path program 1 times [2021-02-24 00:11:02,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:11:02,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [201152518] [2021-02-24 00:11:02,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:11:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:02,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:02,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:02,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:02,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:11:02,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:02,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:03,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:11:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:03,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:03,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:11:03,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [201152518] [2021-02-24 00:11:03,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:11:03,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 00:11:03,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260322382] [2021-02-24 00:11:03,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 00:11:03,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:11:03,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 00:11:03,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 00:11:03,051 INFO L87 Difference]: Start difference. First operand 202 states and 232 transitions. Second operand 4 states. [2021-02-24 00:11:03,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:11:03,629 INFO L93 Difference]: Finished difference Result 535 states and 625 transitions. [2021-02-24 00:11:03,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 00:11:03,630 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 79 [2021-02-24 00:11:03,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:11:03,633 INFO L225 Difference]: With dead ends: 535 [2021-02-24 00:11:03,633 INFO L226 Difference]: Without dead ends: 350 [2021-02-24 00:11:03,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:11:03,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-02-24 00:11:03,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 320. [2021-02-24 00:11:03,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2021-02-24 00:11:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 372 transitions. [2021-02-24 00:11:03,708 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 372 transitions. Word has length 79 [2021-02-24 00:11:03,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:11:03,708 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 372 transitions. [2021-02-24 00:11:03,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 00:11:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 372 transitions. [2021-02-24 00:11:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-02-24 00:11:03,710 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:11:03,711 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:11:03,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 00:11:03,711 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:11:03,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:11:03,712 INFO L82 PathProgramCache]: Analyzing trace with hash 2054351535, now seen corresponding path program 1 times [2021-02-24 00:11:03,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:11:03,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1495998060] [2021-02-24 00:11:03,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:11:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:03,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:03,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:03,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:03,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:11:03,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:03,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:03,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:11:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:03,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:03,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-24 00:11:03,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1495998060] [2021-02-24 00:11:03,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:11:03,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 00:11:03,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535523701] [2021-02-24 00:11:03,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 00:11:03,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:11:03,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 00:11:03,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 00:11:03,863 INFO L87 Difference]: Start difference. First operand 320 states and 372 transitions. Second operand 4 states. [2021-02-24 00:11:04,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:11:04,138 INFO L93 Difference]: Finished difference Result 522 states and 608 transitions. [2021-02-24 00:11:04,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 00:11:04,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2021-02-24 00:11:04,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:11:04,141 INFO L225 Difference]: With dead ends: 522 [2021-02-24 00:11:04,141 INFO L226 Difference]: Without dead ends: 225 [2021-02-24 00:11:04,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:11:04,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-02-24 00:11:04,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-02-24 00:11:04,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2021-02-24 00:11:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 253 transitions. [2021-02-24 00:11:04,186 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 253 transitions. Word has length 106 [2021-02-24 00:11:04,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:11:04,186 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 253 transitions. [2021-02-24 00:11:04,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 00:11:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 253 transitions. [2021-02-24 00:11:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-02-24 00:11:04,188 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:11:04,189 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:11:04,189 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 00:11:04,189 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:11:04,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:11:04,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1928960642, now seen corresponding path program 1 times [2021-02-24 00:11:04,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:11:04,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546941924] [2021-02-24 00:11:04,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:11:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:04,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:04,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:04,264 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-24 00:11:04,265 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-24 00:11:04,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:04,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 00:11:04,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:04,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:04,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:11:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:11:04,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:11:04,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:11:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-24 00:11:04,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546941924] [2021-02-24 00:11:04,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:11:04,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 00:11:04,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581682758] [2021-02-24 00:11:04,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 00:11:04,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:11:04,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 00:11:04,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:11:04,395 INFO L87 Difference]: Start difference. First operand 225 states and 253 transitions. Second operand 5 states. [2021-02-24 00:11:05,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:11:05,023 INFO L93 Difference]: Finished difference Result 233 states and 261 transitions. [2021-02-24 00:11:05,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-24 00:11:05,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2021-02-24 00:11:05,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:11:05,024 INFO L225 Difference]: With dead ends: 233 [2021-02-24 00:11:05,025 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 00:11:05,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-02-24 00:11:05,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 00:11:05,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 00:11:05,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 00:11:05,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 00:11:05,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2021-02-24 00:11:05,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:11:05,027 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 00:11:05,027 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 00:11:05,027 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 00:11:05,027 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 00:11:05,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 00:11:05,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 00:11:06,679 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:06,793 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:06,907 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:07,067 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 16 [2021-02-24 00:11:07,643 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:08,280 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:08,390 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:08,535 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:09,080 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:09,592 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:09,730 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:09,866 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:10,206 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 16 [2021-02-24 00:11:11,387 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:11,531 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:11,684 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 17 [2021-02-24 00:11:12,048 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2021-02-24 00:11:12,048 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2021-02-24 00:11:12,049 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2021-02-24 00:11:12,049 INFO L192 CegarLoopUtils]: At program point L4-3(line 4) the Hoare annotation is: true [2021-02-24 00:11:12,049 INFO L192 CegarLoopUtils]: At program point L4-4(line 4) the Hoare annotation is: true [2021-02-24 00:11:12,049 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 00:11:12,050 INFO L192 CegarLoopUtils]: At program point L4-5(line 4) the Hoare annotation is: true [2021-02-24 00:11:12,050 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-24 00:11:12,051 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-24 00:11:12,051 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-24 00:11:12,053 INFO L192 CegarLoopUtils]: At program point L11(line 11) the Hoare annotation is: true [2021-02-24 00:11:12,053 INFO L192 CegarLoopUtils]: At program point L10(line 10) the Hoare annotation is: true [2021-02-24 00:11:12,054 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~m_connect_1~0 |old(~m_connect_1~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~m_PipedOutputStream~0 |old(~m_PipedOutputStream~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~m_write~0 |old(~m_write~0)|) (= ~m_close~0 |old(~m_close~0)|) (= |old(#valid)| |#valid|) (= ~m_connect_2~0 |old(~m_connect_2~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~m_flush~0 |old(~m_flush~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-24 00:11:12,055 INFO L192 CegarLoopUtils]: At program point L9(line 9) the Hoare annotation is: true [2021-02-24 00:11:12,055 INFO L192 CegarLoopUtils]: At program point L8(line 8) the Hoare annotation is: true [2021-02-24 00:11:12,055 INFO L192 CegarLoopUtils]: At program point L4(line 4) the Hoare annotation is: true [2021-02-24 00:11:12,055 INFO L192 CegarLoopUtils]: At program point L4-1(line 4) the Hoare annotation is: true [2021-02-24 00:11:12,055 INFO L192 CegarLoopUtils]: At program point L4-2(line 4) the Hoare annotation is: true [2021-02-24 00:11:12,056 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-24 00:11:12,056 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-24 00:11:12,056 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 00:11:12,056 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-24 00:11:12,056 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-24 00:11:12,056 INFO L185 CegarLoopUtils]: At program point L250(line 250) the Hoare annotation is: false [2021-02-24 00:11:12,056 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 15 346) the Hoare annotation is: true [2021-02-24 00:11:12,056 INFO L185 CegarLoopUtils]: At program point L118(line 118) the Hoare annotation is: false [2021-02-24 00:11:12,057 INFO L185 CegarLoopUtils]: At program point L300(line 300) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,057 INFO L185 CegarLoopUtils]: At program point L300-1(line 300) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,057 INFO L185 CegarLoopUtils]: At program point L234(line 234) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,058 INFO L185 CegarLoopUtils]: At program point L168(line 168) the Hoare annotation is: false [2021-02-24 00:11:12,058 INFO L185 CegarLoopUtils]: At program point L168-1(line 168) the Hoare annotation is: false [2021-02-24 00:11:12,059 INFO L185 CegarLoopUtils]: At program point L36(line 36) the Hoare annotation is: (= main_~q~0 0) [2021-02-24 00:11:12,059 INFO L185 CegarLoopUtils]: At program point L36-1(lines 36 51) the Hoare annotation is: (= main_~q~0 0) [2021-02-24 00:11:12,059 INFO L185 CegarLoopUtils]: At program point L36-2(line 36) the Hoare annotation is: (= main_~q~0 0) [2021-02-24 00:11:12,059 INFO L185 CegarLoopUtils]: At program point L36-3(line 36) the Hoare annotation is: (= main_~q~0 0) [2021-02-24 00:11:12,059 INFO L185 CegarLoopUtils]: At program point L284(line 284) the Hoare annotation is: false [2021-02-24 00:11:12,059 INFO L185 CegarLoopUtils]: At program point L284-1(line 284) the Hoare annotation is: false [2021-02-24 00:11:12,059 INFO L185 CegarLoopUtils]: At program point L152(line 152) the Hoare annotation is: false [2021-02-24 00:11:12,059 INFO L185 CegarLoopUtils]: At program point L152-1(line 152) the Hoare annotation is: false [2021-02-24 00:11:12,060 INFO L185 CegarLoopUtils]: At program point L268(line 268) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,060 INFO L185 CegarLoopUtils]: At program point L268-1(line 268) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,060 INFO L185 CegarLoopUtils]: At program point L136(line 136) the Hoare annotation is: false [2021-02-24 00:11:12,060 INFO L185 CegarLoopUtils]: At program point L136-1(line 136) the Hoare annotation is: false [2021-02-24 00:11:12,060 INFO L185 CegarLoopUtils]: At program point L252(line 252) the Hoare annotation is: false [2021-02-24 00:11:12,060 INFO L185 CegarLoopUtils]: At program point L252-1(line 252) the Hoare annotation is: false [2021-02-24 00:11:12,061 INFO L185 CegarLoopUtils]: At program point L120(line 120) the Hoare annotation is: false [2021-02-24 00:11:12,061 INFO L185 CegarLoopUtils]: At program point L120-1(line 120) the Hoare annotation is: false [2021-02-24 00:11:12,061 INFO L185 CegarLoopUtils]: At program point L21(line 21) the Hoare annotation is: (= main_~q~0 0) [2021-02-24 00:11:12,062 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 15 346) the Hoare annotation is: true [2021-02-24 00:11:12,062 INFO L185 CegarLoopUtils]: At program point L236(line 236) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,062 INFO L185 CegarLoopUtils]: At program point L236-1(line 236) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,063 INFO L185 CegarLoopUtils]: At program point L38(lines 38 49) the Hoare annotation is: (= main_~q~0 0) [2021-02-24 00:11:12,063 INFO L185 CegarLoopUtils]: At program point L88(line 88) the Hoare annotation is: false [2021-02-24 00:11:12,063 INFO L185 CegarLoopUtils]: At program point L55(lines 55 106) the Hoare annotation is: (or (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,064 INFO L185 CegarLoopUtils]: At program point L88-1(lines 88 103) the Hoare annotation is: false [2021-02-24 00:11:12,064 INFO L185 CegarLoopUtils]: At program point L22(line 22) the Hoare annotation is: (and (= main_~q~0 0) (= main_~this_sink~0 0)) [2021-02-24 00:11:12,064 INFO L185 CegarLoopUtils]: At program point L88-2(line 88) the Hoare annotation is: false [2021-02-24 00:11:12,066 INFO L185 CegarLoopUtils]: At program point L88-3(line 88) the Hoare annotation is: false [2021-02-24 00:11:12,066 INFO L185 CegarLoopUtils]: At program point L204(line 204) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,066 INFO L185 CegarLoopUtils]: At program point L204-1(lines 204 219) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,067 INFO L185 CegarLoopUtils]: At program point L204-2(line 204) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,067 INFO L185 CegarLoopUtils]: At program point L204-3(line 204) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,067 INFO L185 CegarLoopUtils]: At program point L72(line 72) the Hoare annotation is: false [2021-02-24 00:11:12,067 INFO L185 CegarLoopUtils]: At program point L72-1(lines 72 87) the Hoare annotation is: false [2021-02-24 00:11:12,067 INFO L185 CegarLoopUtils]: At program point L72-2(line 72) the Hoare annotation is: false [2021-02-24 00:11:12,068 INFO L185 CegarLoopUtils]: At program point L72-3(line 72) the Hoare annotation is: false [2021-02-24 00:11:12,068 INFO L185 CegarLoopUtils]: At program point L320(line 320) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,068 INFO L185 CegarLoopUtils]: At program point L320-1(lines 320 335) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,068 INFO L185 CegarLoopUtils]: At program point L320-2(line 320) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,070 INFO L185 CegarLoopUtils]: At program point L320-3(line 320) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,070 INFO L185 CegarLoopUtils]: At program point L188(line 188) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,070 INFO L185 CegarLoopUtils]: At program point L188-1(lines 188 203) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,070 INFO L185 CegarLoopUtils]: At program point L188-2(line 188) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,070 INFO L185 CegarLoopUtils]: At program point L188-3(line 188) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,070 INFO L185 CegarLoopUtils]: At program point L56(line 56) the Hoare annotation is: false [2021-02-24 00:11:12,070 INFO L185 CegarLoopUtils]: At program point L56-1(lines 56 71) the Hoare annotation is: false [2021-02-24 00:11:12,071 INFO L185 CegarLoopUtils]: At program point L56-2(line 56) the Hoare annotation is: (= main_~this_sink~0 0) [2021-02-24 00:11:12,071 INFO L185 CegarLoopUtils]: At program point L56-3(line 56) the Hoare annotation is: false [2021-02-24 00:11:12,071 INFO L185 CegarLoopUtils]: At program point L337(lines 25 341) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,071 INFO L185 CegarLoopUtils]: At program point L304(line 304) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,071 INFO L185 CegarLoopUtils]: At program point L304-1(lines 304 319) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,071 INFO L185 CegarLoopUtils]: At program point L304-2(line 304) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,072 INFO L185 CegarLoopUtils]: At program point L304-3(line 304) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,072 INFO L185 CegarLoopUtils]: At program point L172(line 172) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,072 INFO L185 CegarLoopUtils]: At program point L172-1(lines 172 187) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,073 INFO L185 CegarLoopUtils]: At program point L172-2(line 172) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,073 INFO L185 CegarLoopUtils]: At program point L172-3(line 172) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,073 INFO L185 CegarLoopUtils]: At program point L288(line 288) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,073 INFO L185 CegarLoopUtils]: At program point L288-1(lines 288 303) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,073 INFO L185 CegarLoopUtils]: At program point L288-2(line 288) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,073 INFO L185 CegarLoopUtils]: At program point L288-3(line 288) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,073 INFO L185 CegarLoopUtils]: At program point L156(line 156) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,074 INFO L185 CegarLoopUtils]: At program point L156-1(lines 156 171) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,074 INFO L185 CegarLoopUtils]: At program point L90(lines 90 101) the Hoare annotation is: false [2021-02-24 00:11:12,074 INFO L185 CegarLoopUtils]: At program point L156-2(line 156) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,074 INFO L185 CegarLoopUtils]: At program point L156-3(line 156) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,074 INFO L185 CegarLoopUtils]: At program point L272(line 272) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,074 INFO L185 CegarLoopUtils]: At program point L272-1(lines 272 287) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,074 INFO L185 CegarLoopUtils]: At program point L206(lines 206 217) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,074 INFO L185 CegarLoopUtils]: At program point L272-2(line 272) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,075 INFO L185 CegarLoopUtils]: At program point L272-3(line 272) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,075 INFO L185 CegarLoopUtils]: At program point L140(line 140) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,075 INFO L185 CegarLoopUtils]: At program point L107(lines 107 222) the Hoare annotation is: (or (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,075 INFO L185 CegarLoopUtils]: At program point L140-1(lines 140 155) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,075 INFO L185 CegarLoopUtils]: At program point L74(lines 74 85) the Hoare annotation is: false [2021-02-24 00:11:12,075 INFO L185 CegarLoopUtils]: At program point L140-2(line 140) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,075 INFO L185 CegarLoopUtils]: At program point L140-3(line 140) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,076 INFO L185 CegarLoopUtils]: At program point L322(lines 322 333) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,076 INFO L185 CegarLoopUtils]: At program point L256(line 256) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,076 INFO L185 CegarLoopUtils]: At program point L223(lines 223 338) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,077 INFO L185 CegarLoopUtils]: At program point L256-1(lines 256 271) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,077 INFO L185 CegarLoopUtils]: At program point L190(lines 190 201) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,077 INFO L185 CegarLoopUtils]: At program point L256-2(line 256) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,077 INFO L185 CegarLoopUtils]: At program point L256-3(line 256) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,077 INFO L185 CegarLoopUtils]: At program point L124(line 124) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,077 INFO L185 CegarLoopUtils]: At program point L124-1(lines 124 139) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,077 INFO L185 CegarLoopUtils]: At program point L58(lines 58 69) the Hoare annotation is: (= main_~this_sink~0 0) [2021-02-24 00:11:12,078 INFO L185 CegarLoopUtils]: At program point L124-2(line 124) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,078 INFO L185 CegarLoopUtils]: At program point L124-3(line 124) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,078 INFO L185 CegarLoopUtils]: At program point L25-2(lines 25 341) the Hoare annotation is: (or (and (= main_~q~0 0) (= main_~this_sink~0 0)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,078 INFO L192 CegarLoopUtils]: At program point L25-3(lines 25 341) the Hoare annotation is: true [2021-02-24 00:11:12,078 INFO L185 CegarLoopUtils]: At program point L306(lines 306 317) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,078 INFO L185 CegarLoopUtils]: At program point L240(line 240) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,078 INFO L185 CegarLoopUtils]: At program point L240-1(lines 240 255) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,079 INFO L185 CegarLoopUtils]: At program point L174(lines 174 185) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,079 INFO L185 CegarLoopUtils]: At program point L240-2(line 240) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,079 INFO L185 CegarLoopUtils]: At program point L240-3(line 240) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,079 INFO L185 CegarLoopUtils]: At program point L108(line 108) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,079 INFO L185 CegarLoopUtils]: At program point L108-1(lines 108 123) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,079 INFO L185 CegarLoopUtils]: At program point L42(lines 42 44) the Hoare annotation is: (= main_~q~0 0) [2021-02-24 00:11:12,079 INFO L185 CegarLoopUtils]: At program point L108-2(line 108) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,080 INFO L185 CegarLoopUtils]: At program point L108-3(line 108) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,080 INFO L185 CegarLoopUtils]: At program point L290(lines 290 301) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,080 INFO L185 CegarLoopUtils]: At program point L224(line 224) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,080 INFO L185 CegarLoopUtils]: At program point L224-1(lines 224 239) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,080 INFO L185 CegarLoopUtils]: At program point L158(lines 158 169) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,080 INFO L185 CegarLoopUtils]: At program point L224-2(line 224) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,080 INFO L185 CegarLoopUtils]: At program point L224-3(line 224) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,081 INFO L192 CegarLoopUtils]: At program point L92(line 92) the Hoare annotation is: true [2021-02-24 00:11:12,081 INFO L185 CegarLoopUtils]: At program point L274(lines 274 285) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,081 INFO L192 CegarLoopUtils]: At program point L208(line 208) the Hoare annotation is: true [2021-02-24 00:11:12,081 INFO L185 CegarLoopUtils]: At program point L142(lines 142 153) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,081 INFO L185 CegarLoopUtils]: At program point L76(line 76) the Hoare annotation is: false [2021-02-24 00:11:12,081 INFO L192 CegarLoopUtils]: At program point L324(line 324) the Hoare annotation is: true [2021-02-24 00:11:12,081 INFO L185 CegarLoopUtils]: At program point L258(lines 258 269) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,081 INFO L185 CegarLoopUtils]: At program point L192(line 192) the Hoare annotation is: (and (= main_~this_sink~0 0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= main_~q~0 2)) [2021-02-24 00:11:12,082 INFO L185 CegarLoopUtils]: At program point L126(lines 126 137) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,082 INFO L185 CegarLoopUtils]: At program point L308(line 308) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2021-02-24 00:11:12,082 INFO L185 CegarLoopUtils]: At program point L242(lines 242 253) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,082 INFO L185 CegarLoopUtils]: At program point L110(lines 110 121) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,082 INFO L185 CegarLoopUtils]: At program point L226(lines 226 237) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,082 INFO L185 CegarLoopUtils]: At program point L160(line 160) the Hoare annotation is: false [2021-02-24 00:11:12,082 INFO L192 CegarLoopUtils]: At program point L94(lines 94 96) the Hoare annotation is: true [2021-02-24 00:11:12,082 INFO L185 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,083 INFO L185 CegarLoopUtils]: At program point L28-1(line 28) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,083 INFO L185 CegarLoopUtils]: At program point L28-2(line 28) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,083 INFO L185 CegarLoopUtils]: At program point L276(line 276) the Hoare annotation is: false [2021-02-24 00:11:12,083 INFO L192 CegarLoopUtils]: At program point L210(lines 210 212) the Hoare annotation is: true [2021-02-24 00:11:12,083 INFO L185 CegarLoopUtils]: At program point L144(line 144) the Hoare annotation is: false [2021-02-24 00:11:12,083 INFO L185 CegarLoopUtils]: At program point L78(lines 78 80) the Hoare annotation is: false [2021-02-24 00:11:12,083 INFO L192 CegarLoopUtils]: At program point L326(lines 326 328) the Hoare annotation is: true [2021-02-24 00:11:12,083 INFO L185 CegarLoopUtils]: At program point L260(line 260) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,084 INFO L185 CegarLoopUtils]: At program point L194(lines 194 196) the Hoare annotation is: (and (= main_~this_sink~0 0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= main_~q~0 2)) [2021-02-24 00:11:12,084 INFO L185 CegarLoopUtils]: At program point L128(line 128) the Hoare annotation is: false [2021-02-24 00:11:12,084 INFO L185 CegarLoopUtils]: At program point L62(lines 62 64) the Hoare annotation is: (= main_~this_sink~0 0) [2021-02-24 00:11:12,084 INFO L185 CegarLoopUtils]: At program point L29(line 29) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,084 INFO L185 CegarLoopUtils]: At program point L29-1(line 29) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,084 INFO L185 CegarLoopUtils]: At program point L29-2(line 29) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,084 INFO L185 CegarLoopUtils]: At program point L310(lines 310 312) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2021-02-24 00:11:12,085 INFO L185 CegarLoopUtils]: At program point L244(line 244) the Hoare annotation is: false [2021-02-24 00:11:12,085 INFO L185 CegarLoopUtils]: At program point L178(lines 178 180) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,085 INFO L185 CegarLoopUtils]: At program point L112(line 112) the Hoare annotation is: false [2021-02-24 00:11:12,085 INFO L185 CegarLoopUtils]: At program point L46(line 46) the Hoare annotation is: (= main_~q~0 0) [2021-02-24 00:11:12,085 INFO L185 CegarLoopUtils]: At program point L327(lines 15 346) the Hoare annotation is: false [2021-02-24 00:11:12,085 INFO L185 CegarLoopUtils]: At program point L294(lines 294 296) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,085 INFO L185 CegarLoopUtils]: At program point L228(line 228) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,085 INFO L185 CegarLoopUtils]: At program point L162(lines 162 164) the Hoare annotation is: false [2021-02-24 00:11:12,086 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 345) the Hoare annotation is: false [2021-02-24 00:11:12,086 INFO L185 CegarLoopUtils]: At program point L30(line 30) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,086 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 15 346) the Hoare annotation is: true [2021-02-24 00:11:12,086 INFO L185 CegarLoopUtils]: At program point L30-1(line 30) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,086 INFO L185 CegarLoopUtils]: At program point L30-2(line 30) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,086 INFO L185 CegarLoopUtils]: At program point L278(lines 278 280) the Hoare annotation is: false [2021-02-24 00:11:12,087 INFO L185 CegarLoopUtils]: At program point L146(lines 146 148) the Hoare annotation is: false [2021-02-24 00:11:12,087 INFO L185 CegarLoopUtils]: At program point L262(lines 262 264) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,087 INFO L185 CegarLoopUtils]: At program point L130(lines 130 132) the Hoare annotation is: false [2021-02-24 00:11:12,087 INFO L185 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,087 INFO L185 CegarLoopUtils]: At program point L31-1(line 31) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,087 INFO L185 CegarLoopUtils]: At program point L31-2(line 31) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,087 INFO L185 CegarLoopUtils]: At program point L345(line 345) the Hoare annotation is: false [2021-02-24 00:11:12,088 INFO L185 CegarLoopUtils]: At program point L246(lines 246 248) the Hoare annotation is: false [2021-02-24 00:11:12,088 INFO L185 CegarLoopUtils]: At program point L114(lines 114 116) the Hoare annotation is: false [2021-02-24 00:11:12,088 INFO L185 CegarLoopUtils]: At program point L48(line 48) the Hoare annotation is: (= main_~q~0 2) [2021-02-24 00:11:12,088 INFO L185 CegarLoopUtils]: At program point L48-1(line 48) the Hoare annotation is: (and (= main_~this_sink~0 0) (= main_~q~0 2)) [2021-02-24 00:11:12,088 INFO L185 CegarLoopUtils]: At program point L230(lines 230 232) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,088 INFO L192 CegarLoopUtils]: At program point L98(line 98) the Hoare annotation is: true [2021-02-24 00:11:12,088 INFO L192 CegarLoopUtils]: At program point L214(line 214) the Hoare annotation is: true [2021-02-24 00:11:12,089 INFO L192 CegarLoopUtils]: At program point L82(line 82) the Hoare annotation is: true [2021-02-24 00:11:12,089 INFO L192 CegarLoopUtils]: At program point L330(line 330) the Hoare annotation is: true [2021-02-24 00:11:12,089 INFO L185 CegarLoopUtils]: At program point L198(line 198) the Hoare annotation is: (and (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0)) (= main_~q~0 2)) [2021-02-24 00:11:12,089 INFO L192 CegarLoopUtils]: At program point L66(line 66) the Hoare annotation is: true [2021-02-24 00:11:12,089 INFO L192 CegarLoopUtils]: At program point L314(line 314) the Hoare annotation is: true [2021-02-24 00:11:12,089 INFO L192 CegarLoopUtils]: At program point L182(line 182) the Hoare annotation is: true [2021-02-24 00:11:12,089 INFO L185 CegarLoopUtils]: At program point L298(line 298) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,089 INFO L185 CegarLoopUtils]: At program point L166(line 166) the Hoare annotation is: false [2021-02-24 00:11:12,090 INFO L185 CegarLoopUtils]: At program point L282(line 282) the Hoare annotation is: false [2021-02-24 00:11:12,090 INFO L185 CegarLoopUtils]: At program point L150(line 150) the Hoare annotation is: false [2021-02-24 00:11:12,090 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (= main_~q~0 0) [2021-02-24 00:11:12,090 INFO L185 CegarLoopUtils]: At program point L266(line 266) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0))) [2021-02-24 00:11:12,090 INFO L185 CegarLoopUtils]: At program point L200(line 200) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2021-02-24 00:11:12,090 INFO L185 CegarLoopUtils]: At program point L200-1(line 200) the Hoare annotation is: (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)) (or (<= (+ main_~P1~0 1) 0) (< 0 main_~P1~0))) [2021-02-24 00:11:12,090 INFO L185 CegarLoopUtils]: At program point L134(line 134) the Hoare annotation is: false [2021-02-24 00:11:12,090 INFO L185 CegarLoopUtils]: At program point L35(lines 35 54) the Hoare annotation is: (or (= main_~q~0 0) (and (= main_~this_sink~0 0) (= main_~q~0 2)) (and (<= 3 main_~q~0) (or (<= (+ main_~this_sink~0 1) 0) (<= 1 main_~this_sink~0)))) [2021-02-24 00:11:12,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:11:12 BoogieIcfgContainer [2021-02-24 00:11:12,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 00:11:12,114 INFO L168 Benchmark]: Toolchain (without parser) took 13861.86 ms. Allocated memory was 156.2 MB in the beginning and 325.1 MB in the end (delta: 168.8 MB). Free memory was 132.9 MB in the beginning and 179.5 MB in the end (delta: -46.6 MB). Peak memory consumption was 189.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:11:12,115 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 156.2 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 00:11:12,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.44 ms. Allocated memory is still 156.2 MB. Free memory was 131.8 MB in the beginning and 119.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-24 00:11:12,117 INFO L168 Benchmark]: Boogie Preprocessor took 105.64 ms. Allocated memory is still 156.2 MB. Free memory was 119.9 MB in the beginning and 118.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-24 00:11:12,117 INFO L168 Benchmark]: RCFGBuilder took 1348.45 ms. Allocated memory is still 156.2 MB. Free memory was 118.0 MB in the beginning and 112.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-02-24 00:11:12,118 INFO L168 Benchmark]: TraceAbstraction took 12031.97 ms. Allocated memory was 156.2 MB in the beginning and 325.1 MB in the end (delta: 168.8 MB). Free memory was 111.7 MB in the beginning and 179.5 MB in the end (delta: -67.8 MB). Peak memory consumption was 168.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:11:12,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 156.2 MB. Free memory is still 130.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 354.44 ms. Allocated memory is still 156.2 MB. Free memory was 131.8 MB in the beginning and 119.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 105.64 ms. Allocated memory is still 156.2 MB. Free memory was 119.9 MB in the beginning and 118.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1348.45 ms. Allocated memory is still 156.2 MB. Free memory was 118.0 MB in the beginning and 112.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12031.97 ms. Allocated memory was 156.2 MB in the beginning and 325.1 MB in the end (delta: 168.8 MB). Free memory was 111.7 MB in the beginning and 179.5 MB in the end (delta: -67.8 MB). Peak memory consumption was 168.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 345]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (q == 0 || (this_sink == 0 && q == 2)) || (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (q == 0 && this_sink == 0) || (3 <= q && (this_sink + 1 <= 0 || 1 <= this_sink)) - ProcedureContractResult [Line: 15]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1240 SDtfs, 1412 SDslu, 127 SDs, 0 SdLazy, 864 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=320occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 210 LocationsWithAnnotation, 210 PreInvPairs, 387 NumberOfFragments, 1611 HoareAnnotationTreeSize, 210 FomulaSimplifications, 3123 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 210 FomulaSimplificationsInter, 8331 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 110564 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 115/115 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...