/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-b7b32d2 [2021-02-21 21:17:22,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 21:17:22,521 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 21:17:22,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-21 21:17:22,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 21:17:22,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 21:17:22,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 21:17:22,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 21:17:22,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 21:17:22,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 21:17:22,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 21:17:22,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 21:17:22,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 21:17:22,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 21:17:22,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 21:17:22,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 21:17:22,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 21:17:22,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 21:17:22,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 21:17:22,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 21:17:22,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-21 21:17:22,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 21:17:22,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 21:17:22,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 21:17:22,626 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 21:17:22,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 21:17:22,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 21:17:22,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 21:17:22,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 21:17:22,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 21:17:22,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 21:17:22,628 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 21:17:22,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 21:17:22,628 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 21:17:22,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 21:17:22,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 21:17:22,629 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-21 21:17:22,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-21 21:17:22,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 21:17:22,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 21:17:22,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 21:17:22,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-21 21:17:22,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 21:17:22,631 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 21:17:22,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 21:17:23,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 21:17:23,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 21:17:23,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 21:17:23,024 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 21:17:23,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2021-02-21 21:17:23,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aef10b60/365205593b0d4a21b92c7b27d3e259d6/FLAG3c53a1125 [2021-02-21 21:17:23,847 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 21:17:23,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2021-02-21 21:17:23,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aef10b60/365205593b0d4a21b92c7b27d3e259d6/FLAG3c53a1125 [2021-02-21 21:17:24,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aef10b60/365205593b0d4a21b92c7b27d3e259d6 [2021-02-21 21:17:24,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 21:17:24,206 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 21:17:24,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 21:17:24,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 21:17:24,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 21:17:24,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:17:24" (1/1) ... [2021-02-21 21:17:24,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a6d2dea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24, skipping insertion in model container [2021-02-21 21:17:24,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 09:17:24" (1/1) ... [2021-02-21 21:17:24,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 21:17:24,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 21:17:24,398 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] [2021-02-21 21:17:24,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:17:24,456 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 21:17:24,470 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] [2021-02-21 21:17:24,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 21:17:24,515 INFO L208 MainTranslator]: Completed translation [2021-02-21 21:17:24,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24 WrapperNode [2021-02-21 21:17:24,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 21:17:24,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 21:17:24,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 21:17:24,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 21:17:24,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24" (1/1) ... [2021-02-21 21:17:24,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24" (1/1) ... [2021-02-21 21:17:24,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24" (1/1) ... [2021-02-21 21:17:24,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24" (1/1) ... [2021-02-21 21:17:24,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24" (1/1) ... [2021-02-21 21:17:24,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24" (1/1) ... [2021-02-21 21:17:24,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24" (1/1) ... [2021-02-21 21:17:24,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 21:17:24,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 21:17:24,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 21:17:24,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 21:17:24,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24" (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 [2021-02-21 21:17:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 21:17:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 21:17:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 21:17:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-21 21:17:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2021-02-21 21:17:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 21:17:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2021-02-21 21:17:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 21:17:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 21:17:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 21:17:24,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 21:17:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-21 21:17:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2021-02-21 21:17:24,768 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2021-02-21 21:17:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 21:17:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-21 21:17:24,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-21 21:17:24,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 21:17:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 21:17:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 21:17:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 21:17:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 21:17:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 21:17:25,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 21:17:25,611 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-02-21 21:17:25,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:17:25 BoogieIcfgContainer [2021-02-21 21:17:25,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 21:17:25,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 21:17:25,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 21:17:25,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 21:17:25,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 09:17:24" (1/3) ... [2021-02-21 21:17:25,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339b2735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:17:25, skipping insertion in model container [2021-02-21 21:17:25,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 09:17:24" (2/3) ... [2021-02-21 21:17:25,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@339b2735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 09:17:25, skipping insertion in model container [2021-02-21 21:17:25,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 09:17:25" (3/3) ... [2021-02-21 21:17:25,622 INFO L111 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2021-02-21 21:17:25,629 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-21 21:17:25,635 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 21:17:25,654 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 21:17:25,679 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 21:17:25,679 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 21:17:25,680 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-21 21:17:25,680 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 21:17:25,680 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 21:17:25,680 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 21:17:25,680 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 21:17:25,680 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 21:17:25,701 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2021-02-21 21:17:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-21 21:17:25,712 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:25,712 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] [2021-02-21 21:17:25,713 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:25,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:25,720 INFO L82 PathProgramCache]: Analyzing trace with hash 177786818, now seen corresponding path program 1 times [2021-02-21 21:17:25,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:25,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1032289668] [2021-02-21 21:17:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:25,804 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:25,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:25,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:25,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:25,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:26,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:26,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:26,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:26,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1032289668] [2021-02-21 21:17:26,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:26,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-21 21:17:26,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450427455] [2021-02-21 21:17:26,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-21 21:17:26,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:26,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-21 21:17:26,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 21:17:26,113 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2021-02-21 21:17:26,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:26,621 INFO L93 Difference]: Finished difference Result 364 states and 428 transitions. [2021-02-21 21:17:26,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 21:17:26,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2021-02-21 21:17:26,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:26,633 INFO L225 Difference]: With dead ends: 364 [2021-02-21 21:17:26,633 INFO L226 Difference]: Without dead ends: 60 [2021-02-21 21:17:26,640 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 [2021-02-21 21:17:26,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-02-21 21:17:26,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2021-02-21 21:17:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-02-21 21:17:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2021-02-21 21:17:26,692 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 35 [2021-02-21 21:17:26,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:26,693 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2021-02-21 21:17:26,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-21 21:17:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2021-02-21 21:17:26,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-21 21:17:26,695 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:26,695 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] [2021-02-21 21:17:26,695 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 21:17:26,696 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:26,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:26,697 INFO L82 PathProgramCache]: Analyzing trace with hash 158392877, now seen corresponding path program 1 times [2021-02-21 21:17:26,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:26,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1191074626] [2021-02-21 21:17:26,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:26,701 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:26,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:26,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:26,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:26,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:17:26,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:26,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 21:17:26,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:26,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:26,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:26,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:26,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:26,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1191074626] [2021-02-21 21:17:26,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:26,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 21:17:26,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741839765] [2021-02-21 21:17:26,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 21:17:26,953 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:26,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 21:17:26,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 21:17:26,954 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 5 states. [2021-02-21 21:17:27,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:27,250 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2021-02-21 21:17:27,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 21:17:27,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2021-02-21 21:17:27,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:27,258 INFO L225 Difference]: With dead ends: 95 [2021-02-21 21:17:27,259 INFO L226 Difference]: Without dead ends: 69 [2021-02-21 21:17:27,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-21 21:17:27,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-02-21 21:17:27,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2021-02-21 21:17:27,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-21 21:17:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2021-02-21 21:17:27,289 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 35 [2021-02-21 21:17:27,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:27,290 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2021-02-21 21:17:27,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 21:17:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2021-02-21 21:17:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-02-21 21:17:27,300 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:27,301 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] [2021-02-21 21:17:27,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 21:17:27,305 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:27,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:27,306 INFO L82 PathProgramCache]: Analyzing trace with hash 718523448, now seen corresponding path program 1 times [2021-02-21 21:17:27,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:27,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517744631] [2021-02-21 21:17:27,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:27,343 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:27,356 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:27,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:27,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:17:27,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 21:17:27,470 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-21 21:17:27,471 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-21 21:17:27,474 WARN L141 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-02-21 21:17:27,474 WARN L147 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size 1 [2021-02-21 21:17:27,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:27,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:27,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:27,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517744631] [2021-02-21 21:17:27,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:27,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 21:17:27,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398222010] [2021-02-21 21:17:27,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 21:17:27,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:27,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 21:17:27,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 21:17:27,546 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 5 states. [2021-02-21 21:17:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:27,826 INFO L93 Difference]: Finished difference Result 108 states and 116 transitions. [2021-02-21 21:17:27,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 21:17:27,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2021-02-21 21:17:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:27,831 INFO L225 Difference]: With dead ends: 108 [2021-02-21 21:17:27,831 INFO L226 Difference]: Without dead ends: 81 [2021-02-21 21:17:27,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-21 21:17:27,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-02-21 21:17:27,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 60. [2021-02-21 21:17:27,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-02-21 21:17:27,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2021-02-21 21:17:27,853 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 44 [2021-02-21 21:17:27,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:27,853 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2021-02-21 21:17:27,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 21:17:27,853 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2021-02-21 21:17:27,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-21 21:17:27,854 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:27,854 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] [2021-02-21 21:17:27,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 21:17:27,855 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:27,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:27,855 INFO L82 PathProgramCache]: Analyzing trace with hash 2054569350, now seen corresponding path program 1 times [2021-02-21 21:17:27,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:27,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151946870] [2021-02-21 21:17:27,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:27,874 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:27,876 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:27,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:27,969 WARN L141 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size [2021-02-21 21:17:27,970 WARN L147 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size 3 [2021-02-21 21:17:27,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:27,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:27,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:27,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:28,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:28,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:28,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151946870] [2021-02-21 21:17:28,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:28,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 21:17:28,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906613499] [2021-02-21 21:17:28,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 21:17:28,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:28,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 21:17:28,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-21 21:17:28,065 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 6 states. [2021-02-21 21:17:28,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:28,434 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2021-02-21 21:17:28,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 21:17:28,435 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2021-02-21 21:17:28,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:28,436 INFO L225 Difference]: With dead ends: 82 [2021-02-21 21:17:28,437 INFO L226 Difference]: Without dead ends: 80 [2021-02-21 21:17:28,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-02-21 21:17:28,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-02-21 21:17:28,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2021-02-21 21:17:28,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-21 21:17:28,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2021-02-21 21:17:28,458 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 47 [2021-02-21 21:17:28,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:28,458 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2021-02-21 21:17:28,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 21:17:28,459 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2021-02-21 21:17:28,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-02-21 21:17:28,460 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:28,461 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] [2021-02-21 21:17:28,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 21:17:28,461 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:28,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:28,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1500762117, now seen corresponding path program 1 times [2021-02-21 21:17:28,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:28,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121047393] [2021-02-21 21:17:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:28,482 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:28,484 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:28,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:28,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:17:28,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:17:28,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:17:28,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:28,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:28,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:28,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:28,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:28,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-21 21:17:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:28,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:28,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:28,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121047393] [2021-02-21 21:17:28,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:28,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 21:17:28,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422997269] [2021-02-21 21:17:28,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 21:17:28,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:28,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 21:17:28,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-21 21:17:28,723 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand 8 states. [2021-02-21 21:17:29,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:29,187 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2021-02-21 21:17:29,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 21:17:29,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2021-02-21 21:17:29,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:29,192 INFO L225 Difference]: With dead ends: 107 [2021-02-21 21:17:29,192 INFO L226 Difference]: Without dead ends: 105 [2021-02-21 21:17:29,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-02-21 21:17:29,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-02-21 21:17:29,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2021-02-21 21:17:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-02-21 21:17:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 108 transitions. [2021-02-21 21:17:29,239 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 108 transitions. Word has length 69 [2021-02-21 21:17:29,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:29,242 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 108 transitions. [2021-02-21 21:17:29,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 21:17:29,242 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2021-02-21 21:17:29,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-02-21 21:17:29,247 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 21:17:29,247 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] [2021-02-21 21:17:29,248 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 21:17:29,248 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 21:17:29,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 21:17:29,248 INFO L82 PathProgramCache]: Analyzing trace with hash 812362928, now seen corresponding path program 2 times [2021-02-21 21:17:29,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-21 21:17:29,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85936849] [2021-02-21 21:17:29,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 21:17:29,284 INFO L84 AcceleratorFastUPR]: FastUPR could not accelerate loop because java.lang.UnsupportedOperationException: No Result found. [2021-02-21 21:17:29,289 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-21 21:17:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:29,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:29,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:17:29,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:17:29,441 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 21:17:29,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:29,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 21:17:29,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:29,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 21:17:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:29,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:29,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-21 21:17:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:29,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:29,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-02-21 21:17:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 21:17:29,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 21:17:29,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 21:17:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 21:17:29,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85936849] [2021-02-21 21:17:29,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 21:17:29,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 21:17:29,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322108691] [2021-02-21 21:17:29,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 21:17:29,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-21 21:17:29,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 21:17:29,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-21 21:17:29,545 INFO L87 Difference]: Start difference. First operand 102 states and 108 transitions. Second operand 7 states. [2021-02-21 21:17:29,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 21:17:29,918 INFO L93 Difference]: Finished difference Result 102 states and 108 transitions. [2021-02-21 21:17:29,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 21:17:29,918 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2021-02-21 21:17:29,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 21:17:29,919 INFO L225 Difference]: With dead ends: 102 [2021-02-21 21:17:29,920 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 21:17:29,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-21 21:17:29,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 21:17:29,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 21:17:29,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 21:17:29,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 21:17:29,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2021-02-21 21:17:29,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 21:17:29,922 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 21:17:29,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 21:17:29,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 21:17:29,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 21:17:29,923 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 21:17:29,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 21:17:31,451 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 21:17:31,452 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 21:17:31,452 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 21:17:31,452 INFO L192 CegarLoopUtils]: At program point L151(line 151) the Hoare annotation is: true [2021-02-21 21:17:31,452 INFO L192 CegarLoopUtils]: At program point L118(line 118) the Hoare annotation is: true [2021-02-21 21:17:31,452 INFO L192 CegarLoopUtils]: At program point L151-1(line 151) the Hoare annotation is: true [2021-02-21 21:17:31,452 INFO L192 CegarLoopUtils]: At program point L118-3(lines 118 136) the Hoare annotation is: true [2021-02-21 21:17:31,453 INFO L192 CegarLoopUtils]: At program point L118-4(line 118) the Hoare annotation is: true [2021-02-21 21:17:31,453 INFO L192 CegarLoopUtils]: At program point L118-5(line 118) the Hoare annotation is: true [2021-02-21 21:17:31,453 INFO L192 CegarLoopUtils]: At program point L118-6(lines 118 136) the Hoare annotation is: true [2021-02-21 21:17:31,453 INFO L192 CegarLoopUtils]: At program point L118-7(lines 118 136) the Hoare annotation is: true [2021-02-21 21:17:31,453 INFO L192 CegarLoopUtils]: At program point L120(line 120) the Hoare annotation is: true [2021-02-21 21:17:31,453 INFO L192 CegarLoopUtils]: At program point L120-1(line 120) the Hoare annotation is: true [2021-02-21 21:17:31,454 INFO L192 CegarLoopUtils]: At program point L120-2(line 120) the Hoare annotation is: true [2021-02-21 21:17:31,454 INFO L192 CegarLoopUtils]: At program point L120-3(line 120) the Hoare annotation is: true [2021-02-21 21:17:31,454 INFO L192 CegarLoopUtils]: At program point ludcmpEXIT(lines 111 155) the Hoare annotation is: true [2021-02-21 21:17:31,454 INFO L192 CegarLoopUtils]: At program point L120-4(line 120) the Hoare annotation is: true [2021-02-21 21:17:31,454 INFO L192 CegarLoopUtils]: At program point L120-5(line 120) the Hoare annotation is: true [2021-02-21 21:17:31,454 INFO L192 CegarLoopUtils]: At program point L120-6(line 120) the Hoare annotation is: true [2021-02-21 21:17:31,454 INFO L192 CegarLoopUtils]: At program point L120-7(line 120) the Hoare annotation is: true [2021-02-21 21:17:31,455 INFO L192 CegarLoopUtils]: At program point L137(line 137) the Hoare annotation is: true [2021-02-21 21:17:31,455 INFO L192 CegarLoopUtils]: At program point L137-1(line 137) the Hoare annotation is: true [2021-02-21 21:17:31,455 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|)) [2021-02-21 21:17:31,455 INFO L192 CegarLoopUtils]: At program point L121(line 121) the Hoare annotation is: true [2021-02-21 21:17:31,455 INFO L192 CegarLoopUtils]: At program point L121-3(lines 121 128) the Hoare annotation is: true [2021-02-21 21:17:31,455 INFO L192 CegarLoopUtils]: At program point L121-4(line 121) the Hoare annotation is: true [2021-02-21 21:17:31,455 INFO L192 CegarLoopUtils]: At program point L121-5(line 121) the Hoare annotation is: true [2021-02-21 21:17:31,456 INFO L192 CegarLoopUtils]: At program point L121-6(lines 121 128) the Hoare annotation is: true [2021-02-21 21:17:31,456 INFO L192 CegarLoopUtils]: At program point L121-7(lines 121 128) the Hoare annotation is: true [2021-02-21 21:17:31,456 INFO L192 CegarLoopUtils]: At program point L138(line 138) the Hoare annotation is: true [2021-02-21 21:17:31,456 INFO L192 CegarLoopUtils]: At program point L138-3(line 138) the Hoare annotation is: true [2021-02-21 21:17:31,456 INFO L192 CegarLoopUtils]: At program point L138-4(line 138) the Hoare annotation is: true [2021-02-21 21:17:31,456 INFO L192 CegarLoopUtils]: At program point L138-5(lines 138 144) the Hoare annotation is: true [2021-02-21 21:17:31,456 INFO L192 CegarLoopUtils]: At program point L138-6(lines 138 144) the Hoare annotation is: true [2021-02-21 21:17:31,457 INFO L192 CegarLoopUtils]: At program point L123(line 123) the Hoare annotation is: true [2021-02-21 21:17:31,457 INFO L192 CegarLoopUtils]: At program point L123-1(line 123) the Hoare annotation is: true [2021-02-21 21:17:31,457 INFO L192 CegarLoopUtils]: At program point L123-2(line 123) the Hoare annotation is: true [2021-02-21 21:17:31,457 INFO L192 CegarLoopUtils]: At program point L140(line 140) the Hoare annotation is: true [2021-02-21 21:17:31,457 INFO L192 CegarLoopUtils]: At program point L140-1(line 140) the Hoare annotation is: true [2021-02-21 21:17:31,457 INFO L192 CegarLoopUtils]: At program point L140-2(line 140) the Hoare annotation is: true [2021-02-21 21:17:31,457 INFO L192 CegarLoopUtils]: At program point L124(lines 124 126) the Hoare annotation is: true [2021-02-21 21:17:31,458 INFO L192 CegarLoopUtils]: At program point L124-1(lines 124 126) the Hoare annotation is: true [2021-02-21 21:17:31,458 INFO L192 CegarLoopUtils]: At program point L141(line 141) the Hoare annotation is: true [2021-02-21 21:17:31,458 INFO L192 CegarLoopUtils]: At program point L141-3(lines 141 142) the Hoare annotation is: true [2021-02-21 21:17:31,458 INFO L192 CegarLoopUtils]: At program point L141-4(line 141) the Hoare annotation is: true [2021-02-21 21:17:31,458 INFO L192 CegarLoopUtils]: At program point L141-5(line 141) the Hoare annotation is: true [2021-02-21 21:17:31,458 INFO L192 CegarLoopUtils]: At program point L141-6(lines 141 142) the Hoare annotation is: true [2021-02-21 21:17:31,458 INFO L192 CegarLoopUtils]: At program point L141-7(lines 141 142) the Hoare annotation is: true [2021-02-21 21:17:31,459 INFO L192 CegarLoopUtils]: At program point L125(line 125) the Hoare annotation is: true [2021-02-21 21:17:31,459 INFO L192 CegarLoopUtils]: At program point L125-3(lines 125 126) the Hoare annotation is: true [2021-02-21 21:17:31,459 INFO L192 CegarLoopUtils]: At program point L125-4(line 125) the Hoare annotation is: true [2021-02-21 21:17:31,459 INFO L192 CegarLoopUtils]: At program point L125-5(line 125) the Hoare annotation is: true [2021-02-21 21:17:31,459 INFO L192 CegarLoopUtils]: At program point L125-6(lines 125 126) the Hoare annotation is: true [2021-02-21 21:17:31,459 INFO L192 CegarLoopUtils]: At program point L142(line 142) the Hoare annotation is: true [2021-02-21 21:17:31,459 INFO L192 CegarLoopUtils]: At program point L142-1(line 142) the Hoare annotation is: true [2021-02-21 21:17:31,460 INFO L192 CegarLoopUtils]: At program point L142-2(line 142) the Hoare annotation is: true [2021-02-21 21:17:31,460 INFO L192 CegarLoopUtils]: At program point L142-3(line 142) the Hoare annotation is: true [2021-02-21 21:17:31,460 INFO L192 CegarLoopUtils]: At program point L142-4(line 142) the Hoare annotation is: true [2021-02-21 21:17:31,460 INFO L192 CegarLoopUtils]: At program point L126(line 126) the Hoare annotation is: true [2021-02-21 21:17:31,460 INFO L192 CegarLoopUtils]: At program point L126-1(line 126) the Hoare annotation is: true [2021-02-21 21:17:31,460 INFO L192 CegarLoopUtils]: At program point L126-2(line 126) the Hoare annotation is: true [2021-02-21 21:17:31,460 INFO L192 CegarLoopUtils]: At program point L126-3(line 126) the Hoare annotation is: true [2021-02-21 21:17:31,461 INFO L192 CegarLoopUtils]: At program point L126-4(line 126) the Hoare annotation is: true [2021-02-21 21:17:31,461 INFO L192 CegarLoopUtils]: At program point L143(lines 138 144) the Hoare annotation is: true [2021-02-21 21:17:31,461 INFO L192 CegarLoopUtils]: At program point L127(line 127) the Hoare annotation is: true [2021-02-21 21:17:31,461 INFO L192 CegarLoopUtils]: At program point L127-1(line 127) the Hoare annotation is: true [2021-02-21 21:17:31,461 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|)) [2021-02-21 21:17:31,461 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|)) [2021-02-21 21:17:31,461 INFO L192 CegarLoopUtils]: At program point L145(line 145) the Hoare annotation is: true [2021-02-21 21:17:31,462 INFO L192 CegarLoopUtils]: At program point L145-1(line 145) the Hoare annotation is: true [2021-02-21 21:17:31,462 INFO L192 CegarLoopUtils]: At program point L145-2(line 145) the Hoare annotation is: true [2021-02-21 21:17:31,462 INFO L192 CegarLoopUtils]: At program point L145-3(line 145) the Hoare annotation is: true [2021-02-21 21:17:31,462 INFO L192 CegarLoopUtils]: At program point L129-2(line 129) the Hoare annotation is: true [2021-02-21 21:17:31,462 INFO L192 CegarLoopUtils]: At program point L129-3(line 129) the Hoare annotation is: true [2021-02-21 21:17:31,462 INFO L192 CegarLoopUtils]: At program point L129-4(lines 129 135) the Hoare annotation is: true [2021-02-21 21:17:31,462 INFO L192 CegarLoopUtils]: At program point L146(line 146) the Hoare annotation is: true [2021-02-21 21:17:31,463 INFO L192 CegarLoopUtils]: At program point L146-3(lines 146 152) the Hoare annotation is: true [2021-02-21 21:17:31,463 INFO L192 CegarLoopUtils]: At program point L146-4(line 146) the Hoare annotation is: true [2021-02-21 21:17:31,463 INFO L192 CegarLoopUtils]: At program point L146-5(line 146) the Hoare annotation is: true [2021-02-21 21:17:31,463 INFO L192 CegarLoopUtils]: At program point L146-6(lines 146 152) the Hoare annotation is: true [2021-02-21 21:17:31,463 INFO L192 CegarLoopUtils]: At program point L146-7(lines 146 152) the Hoare annotation is: true [2021-02-21 21:17:31,463 INFO L192 CegarLoopUtils]: At program point ludcmpFINAL(lines 111 155) the Hoare annotation is: true [2021-02-21 21:17:31,463 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|)) [2021-02-21 21:17:31,464 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|)) [2021-02-21 21:17:31,464 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|)) [2021-02-21 21:17:31,464 INFO L192 CegarLoopUtils]: At program point L131(line 131) the Hoare annotation is: true [2021-02-21 21:17:31,464 INFO L192 CegarLoopUtils]: At program point L131-1(line 131) the Hoare annotation is: true [2021-02-21 21:17:31,464 INFO L192 CegarLoopUtils]: At program point L131-2(line 131) the Hoare annotation is: true [2021-02-21 21:17:31,464 INFO L192 CegarLoopUtils]: At program point L148(line 148) the Hoare annotation is: true [2021-02-21 21:17:31,464 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|)) [2021-02-21 21:17:31,465 INFO L192 CegarLoopUtils]: At program point L148-1(line 148) the Hoare annotation is: true [2021-02-21 21:17:31,465 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|)) [2021-02-21 21:17:31,465 INFO L192 CegarLoopUtils]: At program point L148-2(line 148) the Hoare annotation is: true [2021-02-21 21:17:31,465 INFO L192 CegarLoopUtils]: At program point L115-2(lines 112 155) the Hoare annotation is: true [2021-02-21 21:17:31,465 INFO L192 CegarLoopUtils]: At program point L115-3(line 115) the Hoare annotation is: true [2021-02-21 21:17:31,465 INFO L192 CegarLoopUtils]: At program point L115-4(line 115) the Hoare annotation is: true [2021-02-21 21:17:31,466 INFO L192 CegarLoopUtils]: At program point L115-5(line 115) the Hoare annotation is: true [2021-02-21 21:17:31,466 INFO L192 CegarLoopUtils]: At program point L115-6(line 115) the Hoare annotation is: true [2021-02-21 21:17:31,466 INFO L192 CegarLoopUtils]: At program point L115-7(line 115) the Hoare annotation is: true [2021-02-21 21:17:31,466 INFO L192 CegarLoopUtils]: At program point L115-8(line 115) the Hoare annotation is: true [2021-02-21 21:17:31,466 INFO L192 CegarLoopUtils]: At program point L132(line 132) the Hoare annotation is: true [2021-02-21 21:17:31,466 INFO L192 CegarLoopUtils]: At program point L132-3(lines 132 133) the Hoare annotation is: true [2021-02-21 21:17:31,466 INFO L192 CegarLoopUtils]: At program point L132-4(line 132) the Hoare annotation is: true [2021-02-21 21:17:31,467 INFO L192 CegarLoopUtils]: At program point L132-5(line 132) the Hoare annotation is: true [2021-02-21 21:17:31,467 INFO L192 CegarLoopUtils]: At program point L132-6(lines 132 133) the Hoare annotation is: true [2021-02-21 21:17:31,467 INFO L192 CegarLoopUtils]: At program point L132-7(lines 132 133) the Hoare annotation is: true [2021-02-21 21:17:31,467 INFO L192 CegarLoopUtils]: At program point L149(line 149) the Hoare annotation is: true [2021-02-21 21:17:31,467 INFO L192 CegarLoopUtils]: At program point L149-3(lines 149 150) the Hoare annotation is: true [2021-02-21 21:17:31,467 INFO L192 CegarLoopUtils]: At program point L149-4(line 149) the Hoare annotation is: true [2021-02-21 21:17:31,467 INFO L192 CegarLoopUtils]: At program point L149-5(line 149) the Hoare annotation is: true [2021-02-21 21:17:31,467 INFO L192 CegarLoopUtils]: At program point L149-6(lines 149 150) the Hoare annotation is: true [2021-02-21 21:17:31,468 INFO L192 CegarLoopUtils]: At program point L149-7(lines 149 150) the Hoare annotation is: true [2021-02-21 21:17:31,468 INFO L192 CegarLoopUtils]: At program point L133(line 133) the Hoare annotation is: true [2021-02-21 21:17:31,468 INFO L192 CegarLoopUtils]: At program point L133-1(line 133) the Hoare annotation is: true [2021-02-21 21:17:31,468 INFO L192 CegarLoopUtils]: At program point L133-2(line 133) the Hoare annotation is: true [2021-02-21 21:17:31,468 INFO L192 CegarLoopUtils]: At program point L133-3(line 133) the Hoare annotation is: true [2021-02-21 21:17:31,468 INFO L192 CegarLoopUtils]: At program point L133-4(line 133) the Hoare annotation is: true [2021-02-21 21:17:31,468 INFO L192 CegarLoopUtils]: At program point L150(line 150) the Hoare annotation is: true [2021-02-21 21:17:31,469 INFO L192 CegarLoopUtils]: At program point L117(line 117) the Hoare annotation is: true [2021-02-21 21:17:31,469 INFO L192 CegarLoopUtils]: At program point L150-1(line 150) the Hoare annotation is: true [2021-02-21 21:17:31,469 INFO L192 CegarLoopUtils]: At program point L150-2(line 150) the Hoare annotation is: true [2021-02-21 21:17:31,469 INFO L192 CegarLoopUtils]: At program point L150-3(line 150) the Hoare annotation is: true [2021-02-21 21:17:31,469 INFO L192 CegarLoopUtils]: At program point L150-4(line 150) the Hoare annotation is: true [2021-02-21 21:17:31,469 INFO L192 CegarLoopUtils]: At program point L134(lines 129 135) the Hoare annotation is: true [2021-02-21 21:17:31,469 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-21 21:17:31,469 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-21 21:17:31,470 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 21:17:31,470 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-21 21:17:31,470 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-21 21:17:31,470 INFO L192 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: true [2021-02-21 21:17:31,470 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-21 21:17:31,470 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)|)) [2021-02-21 21:17:31,471 INFO L192 CegarLoopUtils]: At program point L71(line 71) the Hoare annotation is: true [2021-02-21 21:17:31,471 INFO L192 CegarLoopUtils]: At program point L71-1(line 71) the Hoare annotation is: true [2021-02-21 21:17:31,471 INFO L192 CegarLoopUtils]: At program point L71-2(line 71) the Hoare annotation is: true [2021-02-21 21:17:31,471 INFO L192 CegarLoopUtils]: At program point L71-3(line 71) the Hoare annotation is: true [2021-02-21 21:17:31,471 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-21 21:17:31,471 INFO L192 CegarLoopUtils]: At program point L71-4(line 71) the Hoare annotation is: true [2021-02-21 21:17:31,471 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-21 21:17:31,471 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-21 21:17:31,472 INFO L192 CegarLoopUtils]: At program point L81(line 81) the Hoare annotation is: true [2021-02-21 21:17:31,472 INFO L192 CegarLoopUtils]: At program point L80(lines 80 81) the Hoare annotation is: true [2021-02-21 21:17:31,472 INFO L192 CegarLoopUtils]: At program point L80-1(line 80) the Hoare annotation is: true [2021-02-21 21:17:31,472 INFO L192 CegarLoopUtils]: At program point L78(line 78) the Hoare annotation is: true [2021-02-21 21:17:31,472 INFO L192 CegarLoopUtils]: At program point L80-3(lines 80 81) the Hoare annotation is: true [2021-02-21 21:17:31,472 INFO L192 CegarLoopUtils]: At program point fabsEXIT(lines 76 83) the Hoare annotation is: true [2021-02-21 21:17:31,472 INFO L192 CegarLoopUtils]: At program point fabsENTRY(lines 76 83) the Hoare annotation is: true [2021-02-21 21:17:31,473 INFO L192 CegarLoopUtils]: At program point fabsFINAL(lines 76 83) the Hoare annotation is: true [2021-02-21 21:17:31,473 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-21 21:17:31,473 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-21 21:17:31,473 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 21:17:31,473 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-21 21:17:31,473 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|)) [2021-02-21 21:17:31,473 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)) [2021-02-21 21:17:31,474 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|)) [2021-02-21 21:17:31,474 INFO L185 CegarLoopUtils]: At program point L93-4(line 93) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-21 21:17:31,474 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 85 109) the Hoare annotation is: true [2021-02-21 21:17:31,474 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|)) [2021-02-21 21:17:31,474 INFO L185 CegarLoopUtils]: At program point L93-5(lines 93 104) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-21 21:17:31,474 INFO L192 CegarLoopUtils]: At program point L93-6(lines 93 104) the Hoare annotation is: true [2021-02-21 21:17:31,474 INFO L192 CegarLoopUtils]: At program point L106(line 106) the Hoare annotation is: true [2021-02-21 21:17:31,475 INFO L192 CegarLoopUtils]: At program point L106-1(line 106) the Hoare annotation is: true [2021-02-21 21:17:31,475 INFO L192 CegarLoopUtils]: At program point L106-2(line 106) the Hoare annotation is: true [2021-02-21 21:17:31,475 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)) [2021-02-21 21:17:31,475 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)) [2021-02-21 21:17:31,475 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)) [2021-02-21 21:17:31,475 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)) [2021-02-21 21:17:31,475 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)) [2021-02-21 21:17:31,476 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)) [2021-02-21 21:17:31,476 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)) [2021-02-21 21:17:31,476 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)) [2021-02-21 21:17:31,476 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)) [2021-02-21 21:17:31,476 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|)) [2021-02-21 21:17:31,476 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 85 109) the Hoare annotation is: true [2021-02-21 21:17:31,477 INFO L192 CegarLoopUtils]: At program point L108(line 108) the Hoare annotation is: true [2021-02-21 21:17:31,477 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)) [2021-02-21 21:17:31,477 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)) [2021-02-21 21:17:31,477 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)) [2021-02-21 21:17:31,477 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|)) [2021-02-21 21:17:31,477 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)) [2021-02-21 21:17:31,478 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)) [2021-02-21 21:17:31,478 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)) [2021-02-21 21:17:31,478 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)) [2021-02-21 21:17:31,478 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)) [2021-02-21 21:17:31,478 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|)) [2021-02-21 21:17:31,478 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|)) [2021-02-21 21:17:31,478 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|)) [2021-02-21 21:17:31,479 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|)) [2021-02-21 21:17:31,479 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 5 10) the Hoare annotation is: true [2021-02-21 21:17:31,479 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))) [2021-02-21 21:17:31,479 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-21 21:17:31,479 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))) [2021-02-21 21:17:31,479 INFO L185 CegarLoopUtils]: At program point L7-1(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-21 21:17:31,480 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))) [2021-02-21 21:17:31,480 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-21 21:17:31,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 09:17:31 BoogieIcfgContainer [2021-02-21 21:17:31,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 21:17:31,502 INFO L168 Benchmark]: Toolchain (without parser) took 7307.08 ms. Allocated memory was 182.5 MB in the beginning and 278.9 MB in the end (delta: 96.5 MB). Free memory was 158.5 MB in the beginning and 102.8 MB in the end (delta: 55.7 MB). Peak memory consumption was 158.0 MB. Max. memory is 8.0 GB. [2021-02-21 21:17:31,502 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 182.5 MB. Free memory was 154.3 MB in the beginning and 154.2 MB in the end (delta: 80.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 21:17:31,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.72 ms. Allocated memory is still 182.5 MB. Free memory was 157.4 MB in the beginning and 145.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-21 21:17:31,504 INFO L168 Benchmark]: Boogie Preprocessor took 89.28 ms. Allocated memory is still 182.5 MB. Free memory was 145.1 MB in the beginning and 142.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 21:17:31,505 INFO L168 Benchmark]: RCFGBuilder took 1003.39 ms. Allocated memory is still 182.5 MB. Free memory was 142.8 MB in the beginning and 135.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 8.0 GB. [2021-02-21 21:17:31,506 INFO L168 Benchmark]: TraceAbstraction took 5885.17 ms. Allocated memory was 182.5 MB in the beginning and 278.9 MB in the end (delta: 96.5 MB). Free memory was 135.1 MB in the beginning and 102.8 MB in the end (delta: 32.4 MB). Peak memory consumption was 134.0 MB. Max. memory is 8.0 GB. [2021-02-21 21:17:31,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 ms. Allocated memory is still 182.5 MB. Free memory was 154.3 MB in the beginning and 154.2 MB in the end (delta: 80.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 308.72 ms. Allocated memory is still 182.5 MB. Free memory was 157.4 MB in the beginning and 145.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 89.28 ms. Allocated memory is still 182.5 MB. Free memory was 145.1 MB in the beginning and 142.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1003.39 ms. Allocated memory is still 182.5 MB. Free memory was 142.8 MB in the beginning and 135.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 14.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5885.17 ms. Allocated memory was 182.5 MB in the beginning and 278.9 MB in the end (delta: 96.5 MB). Free memory was 135.1 MB in the beginning and 102.8 MB in the end (delta: 32.4 MB). Peak memory consumption was 134.0 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: 4.2s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 420 SDtfs, 243 SDslu, 406 SDs, 0 SdLazy, 749 SolverSat, 31 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.2s 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, 1.0s 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...