/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-lit/cggmp2005.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-a47f07a [2021-04-16 07:13:44,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-16 07:13:44,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-16 07:13:44,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-16 07:13:44,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-16 07:13:44,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-16 07:13:44,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-16 07:13:44,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-16 07:13:44,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-16 07:13:44,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-16 07:13:44,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-16 07:13:44,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-16 07:13:44,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-16 07:13:44,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-16 07:13:44,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-16 07:13:44,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-16 07:13:44,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-16 07:13:44,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-16 07:13:44,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-16 07:13:44,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-16 07:13:44,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-16 07:13:44,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-16 07:13:44,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-16 07:13:44,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-16 07:13:44,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-16 07:13:44,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-16 07:13:44,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-16 07:13:44,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-16 07:13:44,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-16 07:13:44,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-16 07:13:44,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-16 07:13:44,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-16 07:13:44,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-16 07:13:44,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-16 07:13:44,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-16 07:13:44,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-16 07:13:44,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-16 07:13:44,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-16 07:13:44,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-16 07:13:44,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-16 07:13:44,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-16 07:13:44,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-04-16 07:13:44,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-16 07:13:44,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-16 07:13:44,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-16 07:13:44,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-16 07:13:44,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-16 07:13:44,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-16 07:13:44,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-16 07:13:44,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-16 07:13:44,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-16 07:13:44,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-16 07:13:44,192 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-16 07:13:44,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-16 07:13:44,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-16 07:13:44,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-16 07:13:44,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-16 07:13:44,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-16 07:13:44,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-16 07:13:44,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-16 07:13:44,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-16 07:13:44,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-16 07:13:44,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-04-16 07:13:44,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-16 07:13:44,194 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-04-16 07:13:44,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-16 07:13:44,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-16 07:13:44,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-16 07:13:44,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-16 07:13:44,468 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-16 07:13:44,469 INFO L275 PluginConnector]: CDTParser initialized [2021-04-16 07:13:44,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005.i [2021-04-16 07:13:44,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a59ef56d/9329270fa8a147e69e26aa0a994f09d2/FLAG59962d688 [2021-04-16 07:13:44,843 INFO L306 CDTParser]: Found 1 translation units. [2021-04-16 07:13:44,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i [2021-04-16 07:13:44,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a59ef56d/9329270fa8a147e69e26aa0a994f09d2/FLAG59962d688 [2021-04-16 07:13:44,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a59ef56d/9329270fa8a147e69e26aa0a994f09d2 [2021-04-16 07:13:44,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-16 07:13:44,866 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-04-16 07:13:44,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-16 07:13:44,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-16 07:13:44,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-16 07:13:44,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:13:44" (1/1) ... [2021-04-16 07:13:44,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1899964d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:44, skipping insertion in model container [2021-04-16 07:13:44,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.04 07:13:44" (1/1) ... [2021-04-16 07:13:44,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-16 07:13:44,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-16 07:13:45,011 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i[895,908] [2021-04-16 07:13:45,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:13:45,029 INFO L203 MainTranslator]: Completed pre-run [2021-04-16 07:13:45,038 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i[895,908] [2021-04-16 07:13:45,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-16 07:13:45,052 INFO L208 MainTranslator]: Completed translation [2021-04-16 07:13:45,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45 WrapperNode [2021-04-16 07:13:45,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-16 07:13:45,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-16 07:13:45,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-16 07:13:45,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-16 07:13:45,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45" (1/1) ... [2021-04-16 07:13:45,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45" (1/1) ... [2021-04-16 07:13:45,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45" (1/1) ... [2021-04-16 07:13:45,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45" (1/1) ... [2021-04-16 07:13:45,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45" (1/1) ... [2021-04-16 07:13:45,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45" (1/1) ... [2021-04-16 07:13:45,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45" (1/1) ... [2021-04-16 07:13:45,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-16 07:13:45,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-16 07:13:45,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-16 07:13:45,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-16 07:13:45,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45" (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 [2021-04-16 07:13:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-04-16 07:13:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-16 07:13:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-04-16 07:13:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-04-16 07:13:45,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-04-16 07:13:45,188 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-04-16 07:13:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-04-16 07:13:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-04-16 07:13:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-04-16 07:13:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-04-16 07:13:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-04-16 07:13:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-16 07:13:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-04-16 07:13:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-04-16 07:13:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-04-16 07:13:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-04-16 07:13:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-04-16 07:13:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-16 07:13:45,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-16 07:13:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-16 07:13:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-04-16 07:13:45,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-16 07:13:45,388 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-16 07:13:45,388 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-04-16 07:13:45,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:13:45 BoogieIcfgContainer [2021-04-16 07:13:45,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-16 07:13:45,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-16 07:13:45,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-16 07:13:45,392 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-16 07:13:45,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.04 07:13:44" (1/3) ... [2021-04-16 07:13:45,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ae2873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:13:45, skipping insertion in model container [2021-04-16 07:13:45,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.04 07:13:45" (2/3) ... [2021-04-16 07:13:45,393 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32ae2873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.04 07:13:45, skipping insertion in model container [2021-04-16 07:13:45,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.04 07:13:45" (3/3) ... [2021-04-16 07:13:45,394 INFO L111 eAbstractionObserver]: Analyzing ICFG cggmp2005.i [2021-04-16 07:13:45,397 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-04-16 07:13:45,400 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-16 07:13:45,414 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-04-16 07:13:45,427 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-16 07:13:45,428 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-16 07:13:45,428 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-04-16 07:13:45,428 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-16 07:13:45,428 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-16 07:13:45,428 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-16 07:13:45,428 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-16 07:13:45,428 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-16 07:13:45,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-04-16 07:13:45,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-04-16 07:13:45,440 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:13:45,441 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:13:45,441 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:13:45,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:13:45,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1817730928, now seen corresponding path program 1 times [2021-04-16 07:13:45,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:13:45,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [466921889] [2021-04-16 07:13:45,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:13:45,535 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-04-16 07:13:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:13:45,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:45,645 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-04-16 07:13:45,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:13:45,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:45,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:13:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:13:45,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:13:45,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [466921889] [2021-04-16 07:13:45,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:13:45,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-16 07:13:45,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108242745] [2021-04-16 07:13:45,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-16 07:13:45,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:13:45,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-16 07:13:45,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-16 07:13:45,717 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:45,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:13:45,824 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2021-04-16 07:13:45,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-16 07:13:45,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-04-16 07:13:45,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:13:45,829 INFO L225 Difference]: With dead ends: 32 [2021-04-16 07:13:45,829 INFO L226 Difference]: Without dead ends: 13 [2021-04-16 07:13:45,831 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 62.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-16 07:13:45,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-04-16 07:13:45,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-04-16 07:13:45,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:45,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-04-16 07:13:45,854 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2021-04-16 07:13:45,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:13:45,854 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-04-16 07:13:45,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:45,854 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-04-16 07:13:45,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-04-16 07:13:45,855 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:13:45,855 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:13:45,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-16 07:13:45,855 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:13:45,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:13:45,856 INFO L82 PathProgramCache]: Analyzing trace with hash -480588846, now seen corresponding path program 1 times [2021-04-16 07:13:45,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:13:45,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496872527] [2021-04-16 07:13:45,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:13:45,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 07:13:45,882 INFO L175 rdanLoopAcceleration]: Guard: Formula: (<= v_main_~i~0_8 v_main_~j~0_10) InVars {main_~i~0=v_main_~i~0_8, main_~j~0=v_main_~j~0_10} OutVars{main_~i~0=v_main_~i~0_8, main_~j~0=v_main_~j~0_10} AuxVars[] AssignedVars[] [2021-04-16 07:13:45,895 WARN L240 tifierPushTermWalker]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 07:13:45,901 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,904 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,907 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,910 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,911 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,919 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,922 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 07:13:45,923 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 07:13:45,926 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,928 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,930 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,932 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 07:13:45,934 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,935 WARN L245 tifierPushTermWalker]: treesize reduction 14, result has 80.6 percent of original size 58 [2021-04-16 07:13:45,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:45,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-04-16 07:13:45,952 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-04-16 07:13:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:13:46,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,028 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-04-16 07:13:46,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-16 07:13:46,036 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-04-16 07:13:46,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-16 07:13:46,057 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-04-16 07:13:46,058 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:13:46,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:13:46,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:13:46,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:13:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:13:46,113 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:13:46,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,129 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:13:46,133 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.0 percent of original size [2021-04-16 07:13:46,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-16 07:13:46,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 07:13:46,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:13:46,171 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-04-16 07:13:46,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-16 07:13:46,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 07:13:46,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496872527] [2021-04-16 07:13:46,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:13:46,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-16 07:13:46,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035585307] [2021-04-16 07:13:46,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-16 07:13:46,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:13:46,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-16 07:13:46,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-04-16 07:13:46,202 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:46,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:13:46,314 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-04-16 07:13:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-16 07:13:46,314 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-04-16 07:13:46,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:13:46,315 INFO L225 Difference]: With dead ends: 19 [2021-04-16 07:13:46,315 INFO L226 Difference]: Without dead ends: 14 [2021-04-16 07:13:46,317 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 145.9ms TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-04-16 07:13:46,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-04-16 07:13:46,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-04-16 07:13:46,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:46,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-04-16 07:13:46,334 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2021-04-16 07:13:46,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:13:46,334 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-04-16 07:13:46,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:46,335 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-04-16 07:13:46,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-04-16 07:13:46,335 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:13:46,335 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:13:46,335 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-16 07:13:46,335 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:13:46,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:13:46,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1978857264, now seen corresponding path program 2 times [2021-04-16 07:13:46,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:13:46,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341189993] [2021-04-16 07:13:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:13:46,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,343 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 07:13:46,343 INFO L175 rdanLoopAcceleration]: Guard: Formula: (<= v_main_~i~0_14 v_main_~j~0_16) InVars {main_~i~0=v_main_~i~0_14, main_~j~0=v_main_~j~0_16} OutVars{main_~i~0=v_main_~i~0_14, main_~j~0=v_main_~j~0_16} AuxVars[] AssignedVars[] [2021-04-16 07:13:46,350 WARN L240 tifierPushTermWalker]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 07:13:46,355 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,357 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,360 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,361 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,363 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,367 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 07:13:46,369 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,370 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 07:13:46,374 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,376 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 07:13:46,379 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,381 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,383 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,385 WARN L245 tifierPushTermWalker]: treesize reduction 14, result has 80.6 percent of original size 58 [2021-04-16 07:13:46,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-04-16 07:13:46,399 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-04-16 07:13:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:13:46,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,445 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-04-16 07:13:46,445 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-16 07:13:46,451 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-04-16 07:13:46,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-16 07:13:46,459 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-04-16 07:13:46,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:13:46,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:13:46,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:13:46,477 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,480 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:13:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:13:46,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:13:46,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:13:46,514 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.0 percent of original size [2021-04-16 07:13:46,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-16 07:13:46,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 07:13:46,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,540 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:13:46,541 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-04-16 07:13:46,544 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-16 07:13:46,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 07:13:46,570 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.8 percent of original size [2021-04-16 07:13:46,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:13:46,574 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-04-16 07:13:46,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-16 07:13:46,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 07:13:46,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341189993] [2021-04-16 07:13:46,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:13:46,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-16 07:13:46,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294938265] [2021-04-16 07:13:46,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-16 07:13:46,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:13:46,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-16 07:13:46,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-04-16 07:13:46,596 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:46,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:13:46,751 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-04-16 07:13:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-16 07:13:46,752 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-04-16 07:13:46,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:13:46,752 INFO L225 Difference]: With dead ends: 20 [2021-04-16 07:13:46,752 INFO L226 Difference]: Without dead ends: 15 [2021-04-16 07:13:46,753 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 166.4ms TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-04-16 07:13:46,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-04-16 07:13:46,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-04-16 07:13:46,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-04-16 07:13:46,756 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2021-04-16 07:13:46,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:13:46,756 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-04-16 07:13:46,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-04-16 07:13:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-04-16 07:13:46,757 INFO L511 BasicCegarLoop]: Found error trace [2021-04-16 07:13:46,757 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-16 07:13:46,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-16 07:13:46,757 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-16 07:13:46,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-16 07:13:46,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1180537966, now seen corresponding path program 3 times [2021-04-16 07:13:46,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-04-16 07:13:46,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971665779] [2021-04-16 07:13:46,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-16 07:13:46,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-16 07:13:46,772 INFO L175 rdanLoopAcceleration]: Guard: Formula: (<= v_main_~i~0_21 v_main_~j~0_23) InVars {main_~i~0=v_main_~i~0_21, main_~j~0=v_main_~j~0_23} OutVars{main_~i~0=v_main_~i~0_21, main_~j~0=v_main_~j~0_23} AuxVars[] AssignedVars[] [2021-04-16 07:13:46,777 WARN L240 tifierPushTermWalker]: treesize reduction 14, result has 80.6 percent of original size [2021-04-16 07:13:46,779 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,783 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 07:13:46,784 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,785 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-16 07:13:46,787 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,789 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-04-16 07:13:46,791 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,793 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,795 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,797 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,798 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,800 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,801 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,802 WARN L245 tifierPushTermWalker]: treesize reduction 14, result has 80.6 percent of original size 58 [2021-04-16 07:13:46,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-04-16 07:13:46,816 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-04-16 07:13:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:13:46,834 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,835 INFO L142 QuantifierPusher]: treesize reduction 5, result has 66.7 percent of original size [2021-04-16 07:13:46,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-16 07:13:46,841 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-04-16 07:13:46,843 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-16 07:13:46,855 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-04-16 07:13:46,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-16 07:13:46,861 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:13:46,864 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-16 07:13:46,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-04-16 07:13:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-16 07:13:46,900 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-16 07:13:46,903 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,905 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:13:46,905 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.0 percent of original size [2021-04-16 07:13:46,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-16 07:13:46,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-16 07:13:46,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:46,926 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:13:46,928 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-04-16 07:13:46,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-16 07:13:46,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 07:13:46,955 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.8 percent of original size [2021-04-16 07:13:46,961 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:13:46,962 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-04-16 07:13:46,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-16 07:13:46,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 07:13:46,985 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.8 percent of original size [2021-04-16 07:13:46,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-04-16 07:13:46,992 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-04-16 07:13:46,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-16 07:13:46,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-04-16 07:13:47,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-16 07:13:47,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-16 07:13:47,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971665779] [2021-04-16 07:13:47,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-16 07:13:47,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-04-16 07:13:47,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264700111] [2021-04-16 07:13:47,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-04-16 07:13:47,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-04-16 07:13:47,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-04-16 07:13:47,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-04-16 07:13:47,025 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:47,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-04-16 07:13:47,302 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-04-16 07:13:47,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-04-16 07:13:47,302 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-04-16 07:13:47,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-04-16 07:13:47,302 INFO L225 Difference]: With dead ends: 20 [2021-04-16 07:13:47,302 INFO L226 Difference]: Without dead ends: 0 [2021-04-16 07:13:47,303 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 325.7ms TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-04-16 07:13:47,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-04-16 07:13:47,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-04-16 07:13:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-16 07:13:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-04-16 07:13:47,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-04-16 07:13:47,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-04-16 07:13:47,303 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-04-16 07:13:47,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-04-16 07:13:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-04-16 07:13:47,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-04-16 07:13:47,304 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-16 07:13:47,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-04-16 07:13:47,668 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 73 [2021-04-16 07:13:47,715 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-04-16 07:13:47,715 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-04-16 07:13:47,715 INFO L198 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-04-16 07:13:47,716 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-04-16 07:13:47,716 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2021-04-16 07:13:47,716 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-04-16 07:13:47,716 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-04-16 07:13:47,716 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-04-16 07:13:47,716 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-04-16 07:13:47,716 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-04-16 07:13:47,716 INFO L198 CegarLoopUtils]: For program point L15(line 15) no Hoare annotation was computed. [2021-04-16 07:13:47,716 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2021-04-16 07:13:47,716 INFO L198 CegarLoopUtils]: For program point L15-2(lines 14 16) no Hoare annotation was computed. [2021-04-16 07:13:47,716 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2021-04-16 07:13:47,716 INFO L201 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-04-16 07:13:47,716 INFO L201 CegarLoopUtils]: At program point mainENTRY(lines 24 34) the Hoare annotation is: true [2021-04-16 07:13:47,717 INFO L194 CegarLoopUtils]: At program point L28-2(lines 28 31) the Hoare annotation is: (let ((.cse0 (<= main_~i~0 (+ main_~j~0 3)))) (or (exists ((v_main_~j~0_26 Int)) (and (<= v_main_~j~0_26 10) (or (and (<= v_main_~j~0_26 (+ (div (+ v_main_~j~0_26 (- 1)) 3) main_~j~0 1)) (< (* 3 main_~j~0) (+ (* 2 v_main_~j~0_26) 1)) (= (+ (* v_main_~j~0_26 2) 1) (+ main_~i~0 (* main_~j~0 2)))) (and (= main_~i~0 1) (= v_main_~j~0_26 main_~j~0))) (<= 10 v_main_~j~0_26))) (and (exists ((v_main_~j~0_26 Int)) (and (<= v_main_~j~0_26 10) (or (and (= v_main_~j~0_26 (+ main_~j~0 1)) (= main_~i~0 3)) (and (<= v_main_~j~0_26 (+ (div (+ v_main_~j~0_26 (- 1)) 3) main_~j~0 2)) (< (+ (* 3 main_~j~0) 2) (* 2 v_main_~j~0_26)) (= (+ (* v_main_~j~0_26 2) 1) (+ main_~i~0 (* main_~j~0 2))))) (<= 10 v_main_~j~0_26))) .cse0) (and (exists ((v_main_~j~0_26 Int)) (and (<= v_main_~j~0_26 10) (or (and (= v_main_~j~0_26 (+ main_~j~0 2)) (= 5 main_~i~0)) (and (< (+ (* 3 main_~j~0) 5) (* 2 v_main_~j~0_26)) (= (+ (* v_main_~j~0_26 2) 1) (+ main_~i~0 (* main_~j~0 2))) (<= v_main_~j~0_26 (+ (div (+ v_main_~j~0_26 (- 1)) 3) main_~j~0 3)))) (<= 10 v_main_~j~0_26))) .cse0) (and (exists ((v_main_~j~0_26 Int)) (and (<= v_main_~j~0_26 10) (or (and (< (+ (* 3 main_~j~0) 8) (* 2 v_main_~j~0_26)) (= (+ (* v_main_~j~0_26 2) 1) (+ main_~i~0 (* main_~j~0 2))) (<= v_main_~j~0_26 (+ (div (+ v_main_~j~0_26 (- 1)) 3) main_~j~0 4))) (and (= v_main_~j~0_26 (+ main_~j~0 3)) (= 7 main_~i~0))) (<= 10 v_main_~j~0_26))) .cse0))) [2021-04-16 07:13:47,717 INFO L194 CegarLoopUtils]: At program point L28-3(lines 28 31) the Hoare annotation is: (and (exists ((v_main_~j~0_26 Int)) (and (<= v_main_~j~0_26 10) (or (and (<= v_main_~j~0_26 (+ (div (+ v_main_~j~0_26 (- 1)) 3) main_~j~0 1)) (< (* 3 main_~j~0) (+ (* 2 v_main_~j~0_26) 1)) (= (+ (* v_main_~j~0_26 2) 1) (+ main_~i~0 (* main_~j~0 2)))) (and (= main_~i~0 1) (= v_main_~j~0_26 main_~j~0))) (<= 10 v_main_~j~0_26))) (<= main_~j~0 6)) [2021-04-16 07:13:47,717 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 24 34) the Hoare annotation is: true [2021-04-16 07:13:47,717 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 24 34) the Hoare annotation is: true [2021-04-16 07:13:47,717 INFO L201 CegarLoopUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2021-04-16 07:13:47,717 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2021-04-16 07:13:47,717 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2021-04-16 07:13:47,717 INFO L194 CegarLoopUtils]: At program point L19(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-04-16 07:13:47,717 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-04-16 07:13:47,717 INFO L194 CegarLoopUtils]: At program point L18(lines 18 20) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-04-16 07:13:47,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,732 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,734 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,735 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,735 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.04 07:13:47 BoogieIcfgContainer [2021-04-16 07:13:47,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-16 07:13:47,736 INFO L168 Benchmark]: Toolchain (without parser) took 2870.75 ms. Allocated memory was 194.0 MB in the beginning and 257.9 MB in the end (delta: 64.0 MB). Free memory was 159.8 MB in the beginning and 177.0 MB in the end (delta: -17.2 MB). Peak memory consumption was 46.9 MB. Max. memory is 8.0 GB. [2021-04-16 07:13:47,737 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 194.0 MB. Free memory was 176.2 MB in the beginning and 176.1 MB in the end (delta: 119.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-04-16 07:13:47,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.53 ms. Allocated memory is still 194.0 MB. Free memory was 159.7 MB in the beginning and 150.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-04-16 07:13:47,737 INFO L168 Benchmark]: Boogie Preprocessor took 37.00 ms. Allocated memory is still 194.0 MB. Free memory was 150.0 MB in the beginning and 176.9 MB in the end (delta: -26.9 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2021-04-16 07:13:47,737 INFO L168 Benchmark]: RCFGBuilder took 296.61 ms. Allocated memory is still 194.0 MB. Free memory was 176.9 MB in the beginning and 164.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-04-16 07:13:47,738 INFO L168 Benchmark]: TraceAbstraction took 2345.55 ms. Allocated memory was 194.0 MB in the beginning and 257.9 MB in the end (delta: 64.0 MB). Free memory was 164.5 MB in the beginning and 177.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. [2021-04-16 07:13:47,739 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 194.0 MB. Free memory was 176.2 MB in the beginning and 176.1 MB in the end (delta: 119.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 185.53 ms. Allocated memory is still 194.0 MB. Free memory was 159.7 MB in the beginning and 150.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.00 ms. Allocated memory is still 194.0 MB. Free memory was 150.0 MB in the beginning and 176.9 MB in the end (delta: -26.9 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 296.61 ms. Allocated memory is still 194.0 MB. Free memory was 176.9 MB in the beginning and 164.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2345.55 ms. Allocated memory was 194.0 MB in the beginning and 257.9 MB in the end (delta: 64.0 MB). Free memory was 164.5 MB in the beginning and 177.0 MB in the end (delta: -12.5 MB). Peak memory consumption was 51.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1878.0ms, OverallIterations: 4, TraceHistogramMax: 3, EmptinessCheckTime: 7.5ms, AutomataDifference: 673.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 410.8ms, InitialAbstractionConstructionTime: 5.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 42 SDtfs, 28 SDslu, 103 SDs, 0 SdLazy, 170 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 155.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 700.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 34.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 19 LocationsWithAnnotation, 43 PreInvPairs, 62 NumberOfFragments, 316 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 77.9ms HoareSimplificationTime, 19 FomulaSimplificationsInter, 668 FormulaSimplificationTreeSizeReductionInter, 324.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant [2021-04-16 07:13:47,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,743 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,745 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] [2021-04-16 07:13:47,748 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_26,QUANTIFIED] Derived loop invariant: (((\exists v_main_~j~0_26 : int :: (v_main_~j~0_26 <= 10 && (((v_main_~j~0_26 <= (v_main_~j~0_26 + -1) / 3 + j + 1 && 3 * j < 2 * v_main_~j~0_26 + 1) && v_main_~j~0_26 * 2 + 1 == i + j * 2) || (i == 1 && v_main_~j~0_26 == j))) && 10 <= v_main_~j~0_26) || ((\exists v_main_~j~0_26 : int :: (v_main_~j~0_26 <= 10 && ((v_main_~j~0_26 == j + 1 && i == 3) || ((v_main_~j~0_26 <= (v_main_~j~0_26 + -1) / 3 + j + 2 && 3 * j + 2 < 2 * v_main_~j~0_26) && v_main_~j~0_26 * 2 + 1 == i + j * 2))) && 10 <= v_main_~j~0_26) && i <= j + 3)) || ((\exists v_main_~j~0_26 : int :: (v_main_~j~0_26 <= 10 && ((v_main_~j~0_26 == j + 2 && 5 == i) || ((3 * j + 5 < 2 * v_main_~j~0_26 && v_main_~j~0_26 * 2 + 1 == i + j * 2) && v_main_~j~0_26 <= (v_main_~j~0_26 + -1) / 3 + j + 3))) && 10 <= v_main_~j~0_26) && i <= j + 3)) || ((\exists v_main_~j~0_26 : int :: (v_main_~j~0_26 <= 10 && (((3 * j + 8 < 2 * v_main_~j~0_26 && v_main_~j~0_26 * 2 + 1 == i + j * 2) && v_main_~j~0_26 <= (v_main_~j~0_26 + -1) / 3 + j + 4) || (v_main_~j~0_26 == j + 3 && 7 == i))) && 10 <= v_main_~j~0_26) && i <= j + 3) - ProcedureContractResult [Line: 24]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 RESULT: Ultimate proved your program to be correct! Received shutdown request...