/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/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 18:47:54,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 18:47:54,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 18:47:54,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 18:47:54,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 18:47:54,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 18:47:54,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 18:47:54,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 18:47:54,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 18:47:54,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 18:47:54,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 18:47:54,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 18:47:54,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 18:47:54,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 18:47:54,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 18:47:54,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 18:47:54,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 18:47:54,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 18:47:54,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 18:47:54,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 18:47:54,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 18:47:54,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 18:47:54,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 18:47:54,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 18:47:54,814 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 18:47:54,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 18:47:54,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 18:47:54,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 18:47:54,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 18:47:54,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 18:47:54,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 18:47:54,816 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 18:47:54,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 18:47:54,816 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 18:47:54,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 18:47:54,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 18:47:54,817 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 18:47:54,817 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 18:47:54,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 18:47:54,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:47:54,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 18:47:54,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 18:47:54,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 18:47:54,819 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 18:47:55,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 18:47:55,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 18:47:55,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 18:47:55,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 18:47:55,263 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 18:47:55,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2021-02-23 18:47:55,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c928411f/6dc0c46c104a4693a5935454c040f503/FLAG23a6297cf [2021-02-23 18:47:55,959 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 18:47:55,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2021-02-23 18:47:55,972 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c928411f/6dc0c46c104a4693a5935454c040f503/FLAG23a6297cf [2021-02-23 18:47:56,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c928411f/6dc0c46c104a4693a5935454c040f503 [2021-02-23 18:47:56,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 18:47:56,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 18:47:56,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 18:47:56,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 18:47:56,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 18:47:56,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:47:56" (1/1) ... [2021-02-23 18:47:56,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@516fef76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56, skipping insertion in model container [2021-02-23 18:47:56,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:47:56" (1/1) ... [2021-02-23 18:47:56,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 18:47:56,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 18:47:56,520 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c[318,331] [2021-02-23 18:47:56,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:47:56,576 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 18:47:56,589 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c[318,331] [2021-02-23 18:47:56,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:47:56,652 INFO L208 MainTranslator]: Completed translation [2021-02-23 18:47:56,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56 WrapperNode [2021-02-23 18:47:56,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 18:47:56,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 18:47:56,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 18:47:56,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 18:47:56,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56" (1/1) ... [2021-02-23 18:47:56,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56" (1/1) ... [2021-02-23 18:47:56,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56" (1/1) ... [2021-02-23 18:47:56,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56" (1/1) ... [2021-02-23 18:47:56,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56" (1/1) ... [2021-02-23 18:47:56,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56" (1/1) ... [2021-02-23 18:47:56,748 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56" (1/1) ... [2021-02-23 18:47:56,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 18:47:56,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 18:47:56,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 18:47:56,754 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 18:47:56,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:47:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 18:47:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 18:47:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 18:47:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 18:47:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2021-02-23 18:47:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 18:47:56,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2021-02-23 18:47:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 18:47:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 18:47:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 18:47:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 18:47:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 18:47:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2021-02-23 18:47:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2021-02-23 18:47:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 18:47:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-23 18:47:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-23 18:47:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 18:47:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 18:47:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 18:47:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 18:47:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 18:47:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 18:47:57,777 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 18:47:57,778 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-02-23 18:47:57,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:47:57 BoogieIcfgContainer [2021-02-23 18:47:57,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 18:47:57,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 18:47:57,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 18:47:57,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 18:47:57,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:47:56" (1/3) ... [2021-02-23 18:47:57,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2441fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:47:57, skipping insertion in model container [2021-02-23 18:47:57,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:47:56" (2/3) ... [2021-02-23 18:47:57,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2441fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:47:57, skipping insertion in model container [2021-02-23 18:47:57,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:47:57" (3/3) ... [2021-02-23 18:47:57,792 INFO L111 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2021-02-23 18:47:57,800 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 18:47:57,805 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 18:47:57,826 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 18:47:57,865 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 18:47:57,866 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 18:47:57,866 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 18:47:57,866 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 18:47:57,866 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 18:47:57,866 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 18:47:57,866 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 18:47:57,867 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 18:47:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2021-02-23 18:47:57,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-23 18:47:57,908 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:57,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:47:57,910 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:57,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:57,919 INFO L82 PathProgramCache]: Analyzing trace with hash 177786818, now seen corresponding path program 1 times [2021-02-23 18:47:57,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:57,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058914638] [2021-02-23 18:47:57,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:58,023 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:58,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:58,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:58,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:58,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:58,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:58,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:58,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:58,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058914638] [2021-02-23 18:47:58,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:58,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 18:47:58,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689499358] [2021-02-23 18:47:58,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 18:47:58,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:58,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 18:47:58,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 18:47:58,407 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2021-02-23 18:47:59,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:59,137 INFO L93 Difference]: Finished difference Result 364 states and 428 transitions. [2021-02-23 18:47:59,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 18:47:59,139 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2021-02-23 18:47:59,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:59,149 INFO L225 Difference]: With dead ends: 364 [2021-02-23 18:47:59,149 INFO L226 Difference]: Without dead ends: 60 [2021-02-23 18:47:59,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 18:47:59,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-02-23 18:47:59,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2021-02-23 18:47:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-02-23 18:47:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2021-02-23 18:47:59,212 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 35 [2021-02-23 18:47:59,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:59,212 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2021-02-23 18:47:59,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 18:47:59,213 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2021-02-23 18:47:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-23 18:47:59,214 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:59,214 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:47:59,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 18:47:59,215 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:59,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:59,216 INFO L82 PathProgramCache]: Analyzing trace with hash 158392877, now seen corresponding path program 1 times [2021-02-23 18:47:59,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:59,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772321274] [2021-02-23 18:47:59,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:59,220 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:59,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:59,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:47:59,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:47:59,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:59,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:47:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:59,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:47:59,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772321274] [2021-02-23 18:47:59,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:47:59,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 18:47:59,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357615856] [2021-02-23 18:47:59,416 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 18:47:59,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:47:59,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 18:47:59,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 18:47:59,417 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 5 states. [2021-02-23 18:47:59,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:47:59,823 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2021-02-23 18:47:59,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 18:47:59,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2021-02-23 18:47:59,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:47:59,826 INFO L225 Difference]: With dead ends: 95 [2021-02-23 18:47:59,826 INFO L226 Difference]: Without dead ends: 69 [2021-02-23 18:47:59,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 18:47:59,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-02-23 18:47:59,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2021-02-23 18:47:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-23 18:47:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2021-02-23 18:47:59,843 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 35 [2021-02-23 18:47:59,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:47:59,843 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2021-02-23 18:47:59,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 18:47:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2021-02-23 18:47:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-02-23 18:47:59,845 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:47:59,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:47:59,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 18:47:59,846 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:47:59,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:47:59,846 INFO L82 PathProgramCache]: Analyzing trace with hash 718523448, now seen corresponding path program 1 times [2021-02-23 18:47:59,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:47:59,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30754026] [2021-02-23 18:47:59,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:47:59,875 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:47:59,877 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:47:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:47:59,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:47:59,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:47:59,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 18:47:59,957 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-23 18:47:59,958 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-23 18:47:59,961 WARN L141 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-02-23 18:47:59,962 WARN L147 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size 1 [2021-02-23 18:47:59,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:47:59,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:00,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:00,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:00,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:00,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30754026] [2021-02-23 18:48:00,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:00,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 18:48:00,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536968749] [2021-02-23 18:48:00,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 18:48:00,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:00,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 18:48:00,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 18:48:00,088 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 5 states. [2021-02-23 18:48:00,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:00,508 INFO L93 Difference]: Finished difference Result 108 states and 116 transitions. [2021-02-23 18:48:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 18:48:00,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2021-02-23 18:48:00,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:00,510 INFO L225 Difference]: With dead ends: 108 [2021-02-23 18:48:00,510 INFO L226 Difference]: Without dead ends: 81 [2021-02-23 18:48:00,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 18:48:00,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-02-23 18:48:00,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 60. [2021-02-23 18:48:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-02-23 18:48:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2021-02-23 18:48:00,527 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 44 [2021-02-23 18:48:00,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:00,527 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2021-02-23 18:48:00,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 18:48:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2021-02-23 18:48:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-23 18:48:00,529 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:00,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:48:00,529 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 18:48:00,530 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:00,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:00,530 INFO L82 PathProgramCache]: Analyzing trace with hash 2054569350, now seen corresponding path program 1 times [2021-02-23 18:48:00,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:00,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142154572] [2021-02-23 18:48:00,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:00,540 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:00,541 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:00,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:00,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:00,611 WARN L141 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size [2021-02-23 18:48:00,612 WARN L147 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size 3 [2021-02-23 18:48:00,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:00,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:00,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:00,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:00,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:00,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:00,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:00,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:00,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:00,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:00,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142154572] [2021-02-23 18:48:00,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:00,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 18:48:00,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778324408] [2021-02-23 18:48:00,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 18:48:00,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:00,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 18:48:00,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-23 18:48:00,750 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 6 states. [2021-02-23 18:48:01,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:01,346 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2021-02-23 18:48:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 18:48:01,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2021-02-23 18:48:01,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:01,348 INFO L225 Difference]: With dead ends: 82 [2021-02-23 18:48:01,348 INFO L226 Difference]: Without dead ends: 80 [2021-02-23 18:48:01,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-02-23 18:48:01,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-02-23 18:48:01,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2021-02-23 18:48:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-23 18:48:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2021-02-23 18:48:01,367 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 47 [2021-02-23 18:48:01,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:01,367 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2021-02-23 18:48:01,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 18:48:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2021-02-23 18:48:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-02-23 18:48:01,369 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:01,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:48:01,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 18:48:01,370 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:01,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:01,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1500762117, now seen corresponding path program 1 times [2021-02-23 18:48:01,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:01,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252750495] [2021-02-23 18:48:01,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:01,392 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:01,395 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:01,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:01,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:01,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:01,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:48:01,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:01,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:48:01,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:01,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:48:01,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:01,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:01,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:01,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:01,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:01,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:01,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:01,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:01,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:01,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-23 18:48:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:01,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:01,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:01,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252750495] [2021-02-23 18:48:01,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:01,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 18:48:01,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854868703] [2021-02-23 18:48:01,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 18:48:01,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:01,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 18:48:01,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 18:48:01,664 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand 8 states. [2021-02-23 18:48:02,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:02,409 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2021-02-23 18:48:02,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 18:48:02,410 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2021-02-23 18:48:02,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:02,411 INFO L225 Difference]: With dead ends: 107 [2021-02-23 18:48:02,412 INFO L226 Difference]: Without dead ends: 105 [2021-02-23 18:48:02,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-02-23 18:48:02,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-02-23 18:48:02,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2021-02-23 18:48:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-02-23 18:48:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 108 transitions. [2021-02-23 18:48:02,434 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 108 transitions. Word has length 69 [2021-02-23 18:48:02,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:02,434 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 108 transitions. [2021-02-23 18:48:02,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 18:48:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2021-02-23 18:48:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-02-23 18:48:02,436 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:48:02,436 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:48:02,436 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 18:48:02,437 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:48:02,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:48:02,437 INFO L82 PathProgramCache]: Analyzing trace with hash 812362928, now seen corresponding path program 2 times [2021-02-23 18:48:02,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:48:02,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192621857] [2021-02-23 18:48:02,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:48:02,487 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-23 18:48:02,489 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:48:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:02,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:02,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:48:02,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:48:02,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 18:48:02,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:02,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:48:02,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:48:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:02,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:02,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-23 18:48:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:02,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:02,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-02-23 18:48:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:48:02,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:48:02,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:48:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:48:02,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192621857] [2021-02-23 18:48:02,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:48:02,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 18:48:02,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370844811] [2021-02-23 18:48:02,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 18:48:02,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:48:02,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 18:48:02,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 18:48:02,748 INFO L87 Difference]: Start difference. First operand 102 states and 108 transitions. Second operand 7 states. [2021-02-23 18:48:03,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:48:03,329 INFO L93 Difference]: Finished difference Result 102 states and 108 transitions. [2021-02-23 18:48:03,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 18:48:03,330 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2021-02-23 18:48:03,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:48:03,331 INFO L225 Difference]: With dead ends: 102 [2021-02-23 18:48:03,331 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 18:48:03,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-23 18:48:03,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 18:48:03,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 18:48:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 18:48:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 18:48:03,333 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2021-02-23 18:48:03,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:48:03,334 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 18:48:03,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 18:48:03,334 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 18:48:03,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 18:48:03,334 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 18:48:03,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 18:48:05,570 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 18:48:05,570 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 18:48:05,570 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 18:48:05,570 INFO L192 CegarLoopUtils]: At program point L151(line 151) the Hoare annotation is: true [2021-02-23 18:48:05,571 INFO L192 CegarLoopUtils]: At program point L118(line 118) the Hoare annotation is: true [2021-02-23 18:48:05,571 INFO L192 CegarLoopUtils]: At program point L151-1(line 151) the Hoare annotation is: true [2021-02-23 18:48:05,571 INFO L192 CegarLoopUtils]: At program point L118-3(lines 118 136) the Hoare annotation is: true [2021-02-23 18:48:05,571 INFO L192 CegarLoopUtils]: At program point L118-4(line 118) the Hoare annotation is: true [2021-02-23 18:48:05,571 INFO L192 CegarLoopUtils]: At program point L118-5(line 118) the Hoare annotation is: true [2021-02-23 18:48:05,571 INFO L192 CegarLoopUtils]: At program point L118-6(lines 118 136) the Hoare annotation is: true [2021-02-23 18:48:05,571 INFO L192 CegarLoopUtils]: At program point L118-7(lines 118 136) the Hoare annotation is: true [2021-02-23 18:48:05,571 INFO L192 CegarLoopUtils]: At program point L120(line 120) the Hoare annotation is: true [2021-02-23 18:48:05,572 INFO L192 CegarLoopUtils]: At program point L120-1(line 120) the Hoare annotation is: true [2021-02-23 18:48:05,572 INFO L192 CegarLoopUtils]: At program point L120-2(line 120) the Hoare annotation is: true [2021-02-23 18:48:05,572 INFO L192 CegarLoopUtils]: At program point L120-3(line 120) the Hoare annotation is: true [2021-02-23 18:48:05,572 INFO L192 CegarLoopUtils]: At program point ludcmpEXIT(lines 111 155) the Hoare annotation is: true [2021-02-23 18:48:05,572 INFO L192 CegarLoopUtils]: At program point L120-4(line 120) the Hoare annotation is: true [2021-02-23 18:48:05,572 INFO L192 CegarLoopUtils]: At program point L120-5(line 120) the Hoare annotation is: true [2021-02-23 18:48:05,573 INFO L192 CegarLoopUtils]: At program point L120-6(line 120) the Hoare annotation is: true [2021-02-23 18:48:05,573 INFO L192 CegarLoopUtils]: At program point L120-7(line 120) the Hoare annotation is: true [2021-02-23 18:48:05,573 INFO L192 CegarLoopUtils]: At program point L137(line 137) the Hoare annotation is: true [2021-02-23 18:48:05,573 INFO L192 CegarLoopUtils]: At program point L137-1(line 137) the Hoare annotation is: true [2021-02-23 18:48:05,573 INFO L185 CegarLoopUtils]: At program point ludcmpENTRY(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,573 INFO L192 CegarLoopUtils]: At program point L121(line 121) the Hoare annotation is: true [2021-02-23 18:48:05,574 INFO L192 CegarLoopUtils]: At program point L121-3(lines 121 128) the Hoare annotation is: true [2021-02-23 18:48:05,574 INFO L192 CegarLoopUtils]: At program point L121-4(line 121) the Hoare annotation is: true [2021-02-23 18:48:05,574 INFO L192 CegarLoopUtils]: At program point L121-5(line 121) the Hoare annotation is: true [2021-02-23 18:48:05,574 INFO L192 CegarLoopUtils]: At program point L121-6(lines 121 128) the Hoare annotation is: true [2021-02-23 18:48:05,574 INFO L192 CegarLoopUtils]: At program point L121-7(lines 121 128) the Hoare annotation is: true [2021-02-23 18:48:05,574 INFO L192 CegarLoopUtils]: At program point L138(line 138) the Hoare annotation is: true [2021-02-23 18:48:05,574 INFO L192 CegarLoopUtils]: At program point L138-3(line 138) the Hoare annotation is: true [2021-02-23 18:48:05,575 INFO L192 CegarLoopUtils]: At program point L138-4(line 138) the Hoare annotation is: true [2021-02-23 18:48:05,575 INFO L192 CegarLoopUtils]: At program point L138-5(lines 138 144) the Hoare annotation is: true [2021-02-23 18:48:05,575 INFO L192 CegarLoopUtils]: At program point L138-6(lines 138 144) the Hoare annotation is: true [2021-02-23 18:48:05,577 INFO L192 CegarLoopUtils]: At program point L123(line 123) the Hoare annotation is: true [2021-02-23 18:48:05,577 INFO L192 CegarLoopUtils]: At program point L123-1(line 123) the Hoare annotation is: true [2021-02-23 18:48:05,577 INFO L192 CegarLoopUtils]: At program point L123-2(line 123) the Hoare annotation is: true [2021-02-23 18:48:05,578 INFO L192 CegarLoopUtils]: At program point L140(line 140) the Hoare annotation is: true [2021-02-23 18:48:05,578 INFO L192 CegarLoopUtils]: At program point L140-1(line 140) the Hoare annotation is: true [2021-02-23 18:48:05,578 INFO L192 CegarLoopUtils]: At program point L140-2(line 140) the Hoare annotation is: true [2021-02-23 18:48:05,578 INFO L192 CegarLoopUtils]: At program point L124(lines 124 126) the Hoare annotation is: true [2021-02-23 18:48:05,578 INFO L192 CegarLoopUtils]: At program point L124-1(lines 124 126) the Hoare annotation is: true [2021-02-23 18:48:05,578 INFO L192 CegarLoopUtils]: At program point L141(line 141) the Hoare annotation is: true [2021-02-23 18:48:05,578 INFO L192 CegarLoopUtils]: At program point L141-3(lines 141 142) the Hoare annotation is: true [2021-02-23 18:48:05,578 INFO L192 CegarLoopUtils]: At program point L141-4(line 141) the Hoare annotation is: true [2021-02-23 18:48:05,579 INFO L192 CegarLoopUtils]: At program point L141-5(line 141) the Hoare annotation is: true [2021-02-23 18:48:05,579 INFO L192 CegarLoopUtils]: At program point L141-6(lines 141 142) the Hoare annotation is: true [2021-02-23 18:48:05,579 INFO L192 CegarLoopUtils]: At program point L141-7(lines 141 142) the Hoare annotation is: true [2021-02-23 18:48:05,579 INFO L192 CegarLoopUtils]: At program point L125(line 125) the Hoare annotation is: true [2021-02-23 18:48:05,579 INFO L192 CegarLoopUtils]: At program point L125-3(lines 125 126) the Hoare annotation is: true [2021-02-23 18:48:05,579 INFO L192 CegarLoopUtils]: At program point L125-4(line 125) the Hoare annotation is: true [2021-02-23 18:48:05,579 INFO L192 CegarLoopUtils]: At program point L125-5(line 125) the Hoare annotation is: true [2021-02-23 18:48:05,580 INFO L192 CegarLoopUtils]: At program point L125-6(lines 125 126) the Hoare annotation is: true [2021-02-23 18:48:05,580 INFO L192 CegarLoopUtils]: At program point L142(line 142) the Hoare annotation is: true [2021-02-23 18:48:05,580 INFO L192 CegarLoopUtils]: At program point L142-1(line 142) the Hoare annotation is: true [2021-02-23 18:48:05,583 INFO L192 CegarLoopUtils]: At program point L142-2(line 142) the Hoare annotation is: true [2021-02-23 18:48:05,583 INFO L192 CegarLoopUtils]: At program point L142-3(line 142) the Hoare annotation is: true [2021-02-23 18:48:05,583 INFO L192 CegarLoopUtils]: At program point L142-4(line 142) the Hoare annotation is: true [2021-02-23 18:48:05,584 INFO L192 CegarLoopUtils]: At program point L126(line 126) the Hoare annotation is: true [2021-02-23 18:48:05,584 INFO L192 CegarLoopUtils]: At program point L126-1(line 126) the Hoare annotation is: true [2021-02-23 18:48:05,584 INFO L192 CegarLoopUtils]: At program point L126-2(line 126) the Hoare annotation is: true [2021-02-23 18:48:05,584 INFO L192 CegarLoopUtils]: At program point L126-3(line 126) the Hoare annotation is: true [2021-02-23 18:48:05,584 INFO L192 CegarLoopUtils]: At program point L126-4(line 126) the Hoare annotation is: true [2021-02-23 18:48:05,584 INFO L192 CegarLoopUtils]: At program point L143(lines 138 144) the Hoare annotation is: true [2021-02-23 18:48:05,584 INFO L192 CegarLoopUtils]: At program point L127(line 127) the Hoare annotation is: true [2021-02-23 18:48:05,584 INFO L192 CegarLoopUtils]: At program point L127-1(line 127) the Hoare annotation is: true [2021-02-23 18:48:05,584 INFO L185 CegarLoopUtils]: At program point L111(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,585 INFO L185 CegarLoopUtils]: At program point L111-1(lines 111 155) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,585 INFO L192 CegarLoopUtils]: At program point L145(line 145) the Hoare annotation is: true [2021-02-23 18:48:05,585 INFO L192 CegarLoopUtils]: At program point L145-1(line 145) the Hoare annotation is: true [2021-02-23 18:48:05,585 INFO L192 CegarLoopUtils]: At program point L145-2(line 145) the Hoare annotation is: true [2021-02-23 18:48:05,585 INFO L192 CegarLoopUtils]: At program point L145-3(line 145) the Hoare annotation is: true [2021-02-23 18:48:05,585 INFO L192 CegarLoopUtils]: At program point L129-2(line 129) the Hoare annotation is: true [2021-02-23 18:48:05,586 INFO L192 CegarLoopUtils]: At program point L129-3(line 129) the Hoare annotation is: true [2021-02-23 18:48:05,586 INFO L192 CegarLoopUtils]: At program point L129-4(lines 129 135) the Hoare annotation is: true [2021-02-23 18:48:05,586 INFO L192 CegarLoopUtils]: At program point L146(line 146) the Hoare annotation is: true [2021-02-23 18:48:05,592 INFO L192 CegarLoopUtils]: At program point L146-3(lines 146 152) the Hoare annotation is: true [2021-02-23 18:48:05,592 INFO L192 CegarLoopUtils]: At program point L146-4(line 146) the Hoare annotation is: true [2021-02-23 18:48:05,592 INFO L192 CegarLoopUtils]: At program point L146-5(line 146) the Hoare annotation is: true [2021-02-23 18:48:05,592 INFO L192 CegarLoopUtils]: At program point L146-6(lines 146 152) the Hoare annotation is: true [2021-02-23 18:48:05,593 INFO L192 CegarLoopUtils]: At program point L146-7(lines 146 152) the Hoare annotation is: true [2021-02-23 18:48:05,593 INFO L192 CegarLoopUtils]: At program point ludcmpFINAL(lines 111 155) the Hoare annotation is: true [2021-02-23 18:48:05,593 INFO L185 CegarLoopUtils]: At program point L114(line 114) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,593 INFO L185 CegarLoopUtils]: At program point L114-1(line 114) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,593 INFO L185 CegarLoopUtils]: At program point L114-2(line 114) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,593 INFO L192 CegarLoopUtils]: At program point L131(line 131) the Hoare annotation is: true [2021-02-23 18:48:05,594 INFO L192 CegarLoopUtils]: At program point L131-1(line 131) the Hoare annotation is: true [2021-02-23 18:48:05,594 INFO L192 CegarLoopUtils]: At program point L131-2(line 131) the Hoare annotation is: true [2021-02-23 18:48:05,594 INFO L192 CegarLoopUtils]: At program point L148(line 148) the Hoare annotation is: true [2021-02-23 18:48:05,594 INFO L185 CegarLoopUtils]: At program point L115(line 115) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,594 INFO L192 CegarLoopUtils]: At program point L148-1(line 148) the Hoare annotation is: true [2021-02-23 18:48:05,594 INFO L185 CegarLoopUtils]: At program point L115-1(line 115) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,594 INFO L192 CegarLoopUtils]: At program point L148-2(line 148) the Hoare annotation is: true [2021-02-23 18:48:05,595 INFO L192 CegarLoopUtils]: At program point L115-2(lines 112 155) the Hoare annotation is: true [2021-02-23 18:48:05,595 INFO L192 CegarLoopUtils]: At program point L115-3(line 115) the Hoare annotation is: true [2021-02-23 18:48:05,595 INFO L192 CegarLoopUtils]: At program point L115-4(line 115) the Hoare annotation is: true [2021-02-23 18:48:05,595 INFO L192 CegarLoopUtils]: At program point L115-5(line 115) the Hoare annotation is: true [2021-02-23 18:48:05,595 INFO L192 CegarLoopUtils]: At program point L115-6(line 115) the Hoare annotation is: true [2021-02-23 18:48:05,595 INFO L192 CegarLoopUtils]: At program point L115-7(line 115) the Hoare annotation is: true [2021-02-23 18:48:05,595 INFO L192 CegarLoopUtils]: At program point L115-8(line 115) the Hoare annotation is: true [2021-02-23 18:48:05,596 INFO L192 CegarLoopUtils]: At program point L132(line 132) the Hoare annotation is: true [2021-02-23 18:48:05,596 INFO L192 CegarLoopUtils]: At program point L132-3(lines 132 133) the Hoare annotation is: true [2021-02-23 18:48:05,596 INFO L192 CegarLoopUtils]: At program point L132-4(line 132) the Hoare annotation is: true [2021-02-23 18:48:05,596 INFO L192 CegarLoopUtils]: At program point L132-5(line 132) the Hoare annotation is: true [2021-02-23 18:48:05,596 INFO L192 CegarLoopUtils]: At program point L132-6(lines 132 133) the Hoare annotation is: true [2021-02-23 18:48:05,596 INFO L192 CegarLoopUtils]: At program point L132-7(lines 132 133) the Hoare annotation is: true [2021-02-23 18:48:05,596 INFO L192 CegarLoopUtils]: At program point L149(line 149) the Hoare annotation is: true [2021-02-23 18:48:05,597 INFO L192 CegarLoopUtils]: At program point L149-3(lines 149 150) the Hoare annotation is: true [2021-02-23 18:48:05,597 INFO L192 CegarLoopUtils]: At program point L149-4(line 149) the Hoare annotation is: true [2021-02-23 18:48:05,597 INFO L192 CegarLoopUtils]: At program point L149-5(line 149) the Hoare annotation is: true [2021-02-23 18:48:05,597 INFO L192 CegarLoopUtils]: At program point L149-6(lines 149 150) the Hoare annotation is: true [2021-02-23 18:48:05,597 INFO L192 CegarLoopUtils]: At program point L149-7(lines 149 150) the Hoare annotation is: true [2021-02-23 18:48:05,597 INFO L192 CegarLoopUtils]: At program point L133(line 133) the Hoare annotation is: true [2021-02-23 18:48:05,597 INFO L192 CegarLoopUtils]: At program point L133-1(line 133) the Hoare annotation is: true [2021-02-23 18:48:05,597 INFO L192 CegarLoopUtils]: At program point L133-2(line 133) the Hoare annotation is: true [2021-02-23 18:48:05,597 INFO L192 CegarLoopUtils]: At program point L133-3(line 133) the Hoare annotation is: true [2021-02-23 18:48:05,598 INFO L192 CegarLoopUtils]: At program point L133-4(line 133) the Hoare annotation is: true [2021-02-23 18:48:05,598 INFO L192 CegarLoopUtils]: At program point L150(line 150) the Hoare annotation is: true [2021-02-23 18:48:05,598 INFO L192 CegarLoopUtils]: At program point L117(line 117) the Hoare annotation is: true [2021-02-23 18:48:05,598 INFO L192 CegarLoopUtils]: At program point L150-1(line 150) the Hoare annotation is: true [2021-02-23 18:48:05,598 INFO L192 CegarLoopUtils]: At program point L150-2(line 150) the Hoare annotation is: true [2021-02-23 18:48:05,598 INFO L192 CegarLoopUtils]: At program point L150-3(line 150) the Hoare annotation is: true [2021-02-23 18:48:05,598 INFO L192 CegarLoopUtils]: At program point L150-4(line 150) the Hoare annotation is: true [2021-02-23 18:48:05,598 INFO L192 CegarLoopUtils]: At program point L134(lines 129 135) the Hoare annotation is: true [2021-02-23 18:48:05,598 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-23 18:48:05,599 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-23 18:48:05,599 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 18:48:05,599 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-23 18:48:05,599 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-23 18:48:05,599 INFO L192 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: true [2021-02-23 18:48:05,599 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-23 18:48:05,599 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |~#a~0.offset| |old(~#a~0.offset)|) (= |~#b~0.base| |old(~#b~0.base)|) (= |~#x~0.base| |old(~#x~0.base)|) (= |~#a~0.base| |old(~#a~0.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#x~0.offset| |old(~#x~0.offset)|) (= |old(#memory_real)| |#memory_real|) (= |~#b~0.offset| |old(~#b~0.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-23 18:48:05,600 INFO L192 CegarLoopUtils]: At program point L71(line 71) the Hoare annotation is: true [2021-02-23 18:48:05,600 INFO L192 CegarLoopUtils]: At program point L71-1(line 71) the Hoare annotation is: true [2021-02-23 18:48:05,600 INFO L192 CegarLoopUtils]: At program point L71-2(line 71) the Hoare annotation is: true [2021-02-23 18:48:05,600 INFO L192 CegarLoopUtils]: At program point L71-3(line 71) the Hoare annotation is: true [2021-02-23 18:48:05,600 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-23 18:48:05,600 INFO L192 CegarLoopUtils]: At program point L71-4(line 71) the Hoare annotation is: true [2021-02-23 18:48:05,600 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-23 18:48:05,601 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-23 18:48:05,601 INFO L192 CegarLoopUtils]: At program point L81(line 81) the Hoare annotation is: true [2021-02-23 18:48:05,601 INFO L192 CegarLoopUtils]: At program point L80(lines 80 81) the Hoare annotation is: true [2021-02-23 18:48:05,601 INFO L192 CegarLoopUtils]: At program point L80-1(line 80) the Hoare annotation is: true [2021-02-23 18:48:05,601 INFO L192 CegarLoopUtils]: At program point L78(line 78) the Hoare annotation is: true [2021-02-23 18:48:05,601 INFO L192 CegarLoopUtils]: At program point L80-3(lines 80 81) the Hoare annotation is: true [2021-02-23 18:48:05,601 INFO L192 CegarLoopUtils]: At program point fabsEXIT(lines 76 83) the Hoare annotation is: true [2021-02-23 18:48:05,601 INFO L192 CegarLoopUtils]: At program point fabsENTRY(lines 76 83) the Hoare annotation is: true [2021-02-23 18:48:05,602 INFO L192 CegarLoopUtils]: At program point fabsFINAL(lines 76 83) the Hoare annotation is: true [2021-02-23 18:48:05,602 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-23 18:48:05,602 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 18:48:05,602 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 18:48:05,602 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-23 18:48:05,602 INFO L185 CegarLoopUtils]: At program point L93(line 93) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,602 INFO L185 CegarLoopUtils]: At program point L93-3(line 93) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,603 INFO L185 CegarLoopUtils]: At program point L89(line 89) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,603 INFO L185 CegarLoopUtils]: At program point L93-4(line 93) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,603 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 85 109) the Hoare annotation is: true [2021-02-23 18:48:05,603 INFO L185 CegarLoopUtils]: At program point L89-1(line 89) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,603 INFO L185 CegarLoopUtils]: At program point L93-5(lines 93 104) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,603 INFO L192 CegarLoopUtils]: At program point L93-6(lines 93 104) the Hoare annotation is: true [2021-02-23 18:48:05,603 INFO L192 CegarLoopUtils]: At program point L106(line 106) the Hoare annotation is: true [2021-02-23 18:48:05,604 INFO L192 CegarLoopUtils]: At program point L106-1(line 106) the Hoare annotation is: true [2021-02-23 18:48:05,604 INFO L192 CegarLoopUtils]: At program point L106-2(line 106) the Hoare annotation is: true [2021-02-23 18:48:05,604 INFO L185 CegarLoopUtils]: At program point L102(line 102) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,604 INFO L185 CegarLoopUtils]: At program point L98(line 98) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,604 INFO L185 CegarLoopUtils]: At program point L98-1(lines 97 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,604 INFO L185 CegarLoopUtils]: At program point L103(lines 93 104) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,605 INFO L185 CegarLoopUtils]: At program point L99(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,605 INFO L185 CegarLoopUtils]: At program point L99-1(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,605 INFO L185 CegarLoopUtils]: At program point L99-2(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,605 INFO L185 CegarLoopUtils]: At program point L95(line 95) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,605 INFO L185 CegarLoopUtils]: At program point L99-4(line 99) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,605 INFO L185 CegarLoopUtils]: At program point L91(line 91) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,606 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 85 109) the Hoare annotation is: true [2021-02-23 18:48:05,606 INFO L192 CegarLoopUtils]: At program point L108(line 108) the Hoare annotation is: true [2021-02-23 18:48:05,606 INFO L185 CegarLoopUtils]: At program point L100(line 100) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,606 INFO L185 CegarLoopUtils]: At program point L100-1(line 100) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,606 INFO L185 CegarLoopUtils]: At program point L96(line 96) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,606 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 85 109) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,607 INFO L185 CegarLoopUtils]: At program point L96-3(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,607 INFO L185 CegarLoopUtils]: At program point L96-4(line 96) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,607 INFO L185 CegarLoopUtils]: At program point L96-5(line 96) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,607 INFO L185 CegarLoopUtils]: At program point L96-6(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,607 INFO L185 CegarLoopUtils]: At program point L96-7(lines 96 101) the Hoare annotation is: (and (<= main_~i~0 5) (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-23 18:48:05,607 INFO L185 CegarLoopUtils]: At program point L88(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,608 INFO L185 CegarLoopUtils]: At program point L88-1(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,608 INFO L185 CegarLoopUtils]: At program point L88-2(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,608 INFO L185 CegarLoopUtils]: At program point L88-3(line 88) the Hoare annotation is: (and (= |old(#memory_real)| |#memory_real|) (= |old(#length)| |#length|) (<= main_~n~0 5) (<= 5 main_~n~0) (= |old(#valid)| |#valid|)) [2021-02-23 18:48:05,608 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 5 10) the Hoare annotation is: true [2021-02-23 18:48:05,608 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 5 10) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-23 18:48:05,608 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-23 18:48:05,608 INFO L185 CegarLoopUtils]: At program point L6(lines 6 8) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-23 18:48:05,609 INFO L185 CegarLoopUtils]: At program point L7-1(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-23 18:48:05,609 INFO L185 CegarLoopUtils]: At program point L6-2(lines 5 10) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-02-23 18:48:05,609 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-23 18:48:05,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:48:05 BoogieIcfgContainer [2021-02-23 18:48:05,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 18:48:05,630 INFO L168 Benchmark]: Toolchain (without parser) took 9300.63 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 126.7 MB in the beginning and 89.2 MB in the end (delta: 37.5 MB). Peak memory consumption was 125.8 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:05,631 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 208.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 18:48:05,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.89 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 113.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:05,632 INFO L168 Benchmark]: Boogie Preprocessor took 98.10 ms. Allocated memory is still 151.0 MB. Free memory was 113.7 MB in the beginning and 111.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:05,633 INFO L168 Benchmark]: RCFGBuilder took 1027.93 ms. Allocated memory is still 151.0 MB. Free memory was 111.4 MB in the beginning and 106.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:05,634 INFO L168 Benchmark]: TraceAbstraction took 7845.17 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 106.0 MB in the beginning and 89.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 105.4 MB. Max. memory is 8.0 GB. [2021-02-23 18:48:05,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 208.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 313.89 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 113.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.10 ms. Allocated memory is still 151.0 MB. Free memory was 113.7 MB in the beginning and 111.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1027.93 ms. Allocated memory is still 151.0 MB. Free memory was 111.4 MB in the beginning and 106.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 17.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7845.17 ms. Allocated memory was 151.0 MB in the beginning and 226.5 MB in the end (delta: 75.5 MB). Free memory was 106.0 MB in the beginning and 89.2 MB in the end (delta: 16.8 MB). Peak memory consumption was 105.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: n <= 5 && 5 <= n - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (i <= 5 && n <= 5) && 5 <= n - ProcedureContractResult [Line: 111]: Procedure Contract for ludcmp Derived contract for procedure ludcmp: 1 - ProcedureContractResult [Line: 76]: Procedure Contract for fabs Derived contract for procedure fabs: 1 - ProcedureContractResult [Line: 85]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 5]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 195 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.4s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 420 SDtfs, 243 SDslu, 406 SDs, 0 SdLazy, 749 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 49 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 192 LocationsWithAnnotation, 477 PreInvPairs, 770 NumberOfFragments, 627 HoareAnnotationTreeSize, 477 FomulaSimplifications, 3273 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 192 FomulaSimplificationsInter, 1349 FormulaSimplificationTreeSizeReductionInter, 1.7s 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...