/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops/lu.cmp.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:16:35,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:16:35,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:16:35,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 00:16:35,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:16:35,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:16:35,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:16:35,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:16:35,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:16:35,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:16:35,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:16:35,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:16:35,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:16:35,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:16:35,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:16:35,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:16:35,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 00:16:35,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:16:35,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:16:35,951 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:16:35,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:16:35,955 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:16:35,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:16:35,955 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:16:35,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:16:35,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:16:35,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:16:35,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:16:35,957 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:16:35,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:16:35,958 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:16:35,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:16:35,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:16:35,959 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:16:35,959 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:16:35,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:16:35,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:16:35,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:16:35,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:16:35,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:16:35,960 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:16:36,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:16:36,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:16:36,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:16:36,371 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:16:36,373 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:16:36,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/lu.cmp.c [2021-02-24 00:16:36,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed91936a/6a7777dbf22e400fa640d7070111ebbf/FLAG03bff88a9 [2021-02-24 00:16:37,068 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:16:37,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/lu.cmp.c [2021-02-24 00:16:37,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed91936a/6a7777dbf22e400fa640d7070111ebbf/FLAG03bff88a9 [2021-02-24 00:16:37,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ed91936a/6a7777dbf22e400fa640d7070111ebbf [2021-02-24 00:16:37,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:16:37,462 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:16:37,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:16:37,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:16:37,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:16:37,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:16:37" (1/1) ... [2021-02-24 00:16:37,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d75e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37, skipping insertion in model container [2021-02-24 00:16:37,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:16:37" (1/1) ... [2021-02-24 00:16:37,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:16:37,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:16:37,651 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] [2021-02-24 00:16:37,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:16:37,706 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:16:37,719 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] [2021-02-24 00:16:37,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:16:37,769 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:16:37,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37 WrapperNode [2021-02-24 00:16:37,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:16:37,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:16:37,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:16:37,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:16:37,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37" (1/1) ... [2021-02-24 00:16:37,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37" (1/1) ... [2021-02-24 00:16:37,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37" (1/1) ... [2021-02-24 00:16:37,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37" (1/1) ... [2021-02-24 00:16:37,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37" (1/1) ... [2021-02-24 00:16:37,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37" (1/1) ... [2021-02-24 00:16:37,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37" (1/1) ... [2021-02-24 00:16:37,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:16:37,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:16:37,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:16:37,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:16:37,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:16:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:16:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:16:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:16:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-24 00:16:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2021-02-24 00:16:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:16:37,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2021-02-24 00:16:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:16:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:16:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:16:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:16:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-24 00:16:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2021-02-24 00:16:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2021-02-24 00:16:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:16:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-02-24 00:16:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-02-24 00:16:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:16:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:16:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:16:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:16:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:16:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:16:38,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:16:38,493 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-02-24 00:16:38,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:16:38 BoogieIcfgContainer [2021-02-24 00:16:38,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:16:38,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:16:38,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:16:38,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:16:38,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:16:37" (1/3) ... [2021-02-24 00:16:38,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ecf90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:16:38, skipping insertion in model container [2021-02-24 00:16:38,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:16:37" (2/3) ... [2021-02-24 00:16:38,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ecf90b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:16:38, skipping insertion in model container [2021-02-24 00:16:38,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:16:38" (3/3) ... [2021-02-24 00:16:38,504 INFO L111 eAbstractionObserver]: Analyzing ICFG lu.cmp.c [2021-02-24 00:16:38,511 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:16:38,519 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:16:38,538 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:16:38,562 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:16:38,563 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:16:38,563 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:16:38,563 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:16:38,563 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:16:38,563 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:16:38,563 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:16:38,563 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:16:38,583 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2021-02-24 00:16:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-24 00:16:38,593 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:38,594 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] [2021-02-24 00:16:38,595 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:38,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:38,601 INFO L82 PathProgramCache]: Analyzing trace with hash 177786818, now seen corresponding path program 1 times [2021-02-24 00:16:38,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:38,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608435781] [2021-02-24 00:16:38,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:38,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:38,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:38,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:38,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:38,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:38,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:16:38,938 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608435781] [2021-02-24 00:16:38,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:16:38,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 00:16:38,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761836200] [2021-02-24 00:16:38,953 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 00:16:38,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:38,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 00:16:38,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 00:16:38,972 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 3 states. [2021-02-24 00:16:39,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:39,475 INFO L93 Difference]: Finished difference Result 364 states and 428 transitions. [2021-02-24 00:16:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 00:16:39,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2021-02-24 00:16:39,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:39,487 INFO L225 Difference]: With dead ends: 364 [2021-02-24 00:16:39,487 INFO L226 Difference]: Without dead ends: 60 [2021-02-24 00:16:39,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 00:16:39,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2021-02-24 00:16:39,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53. [2021-02-24 00:16:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-02-24 00:16:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2021-02-24 00:16:39,544 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 35 [2021-02-24 00:16:39,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:39,544 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2021-02-24 00:16:39,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 00:16:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2021-02-24 00:16:39,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-02-24 00:16:39,546 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:39,546 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] [2021-02-24 00:16:39,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:16:39,547 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:39,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:39,548 INFO L82 PathProgramCache]: Analyzing trace with hash 158392877, now seen corresponding path program 1 times [2021-02-24 00:16:39,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:39,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633148363] [2021-02-24 00:16:39,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:39,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:39,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:39,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:39,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:16:39,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:39,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:16:39,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:39,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:39,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:39,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:39,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:16:39,749 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633148363] [2021-02-24 00:16:39,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:16:39,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 00:16:39,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221721277] [2021-02-24 00:16:39,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 00:16:39,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:39,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 00:16:39,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:16:39,760 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 5 states. [2021-02-24 00:16:40,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:40,023 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2021-02-24 00:16:40,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 00:16:40,024 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2021-02-24 00:16:40,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:40,026 INFO L225 Difference]: With dead ends: 95 [2021-02-24 00:16:40,026 INFO L226 Difference]: Without dead ends: 69 [2021-02-24 00:16:40,028 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 [2021-02-24 00:16:40,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-02-24 00:16:40,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2021-02-24 00:16:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-02-24 00:16:40,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 56 transitions. [2021-02-24 00:16:40,044 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 56 transitions. Word has length 35 [2021-02-24 00:16:40,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:40,044 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 56 transitions. [2021-02-24 00:16:40,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 00:16:40,045 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2021-02-24 00:16:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-02-24 00:16:40,046 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:40,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:16:40,047 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 00:16:40,047 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:40,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:40,048 INFO L82 PathProgramCache]: Analyzing trace with hash 718523448, now seen corresponding path program 1 times [2021-02-24 00:16:40,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:40,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292476177] [2021-02-24 00:16:40,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:40,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:40,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:16:40,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:16:40,124 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-24 00:16:40,125 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-24 00:16:40,128 WARN L141 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size [2021-02-24 00:16:40,128 WARN L147 QuantifierPusher]: treesize reduction 12, result has 7.7 percent of original size 1 [2021-02-24 00:16:40,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:40,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:40,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:16:40,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292476177] [2021-02-24 00:16:40,185 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:16:40,185 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 00:16:40,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374747829] [2021-02-24 00:16:40,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 00:16:40,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:40,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 00:16:40,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:16:40,187 INFO L87 Difference]: Start difference. First operand 54 states and 56 transitions. Second operand 5 states. [2021-02-24 00:16:40,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:40,407 INFO L93 Difference]: Finished difference Result 108 states and 116 transitions. [2021-02-24 00:16:40,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 00:16:40,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 44 [2021-02-24 00:16:40,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:40,409 INFO L225 Difference]: With dead ends: 108 [2021-02-24 00:16:40,409 INFO L226 Difference]: Without dead ends: 81 [2021-02-24 00:16:40,410 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 [2021-02-24 00:16:40,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2021-02-24 00:16:40,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 60. [2021-02-24 00:16:40,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-02-24 00:16:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2021-02-24 00:16:40,425 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 44 [2021-02-24 00:16:40,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:40,425 INFO L480 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2021-02-24 00:16:40,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 00:16:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2021-02-24 00:16:40,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-24 00:16:40,427 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:40,427 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] [2021-02-24 00:16:40,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 00:16:40,428 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:40,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:40,428 INFO L82 PathProgramCache]: Analyzing trace with hash 2054569350, now seen corresponding path program 1 times [2021-02-24 00:16:40,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:40,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1042718373] [2021-02-24 00:16:40,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:40,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:40,500 WARN L141 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size [2021-02-24 00:16:40,501 WARN L147 QuantifierPusher]: treesize reduction 9, result has 25.0 percent of original size 3 [2021-02-24 00:16:40,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:40,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:40,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:40,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:40,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:40,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-24 00:16:40,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1042718373] [2021-02-24 00:16:40,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:16:40,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-24 00:16:40,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018797534] [2021-02-24 00:16:40,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-24 00:16:40,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:40,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-24 00:16:40,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-24 00:16:40,583 INFO L87 Difference]: Start difference. First operand 60 states and 62 transitions. Second operand 6 states. [2021-02-24 00:16:40,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:40,888 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2021-02-24 00:16:40,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-24 00:16:40,889 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2021-02-24 00:16:40,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:40,890 INFO L225 Difference]: With dead ends: 82 [2021-02-24 00:16:40,890 INFO L226 Difference]: Without dead ends: 80 [2021-02-24 00:16:40,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-02-24 00:16:40,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-02-24 00:16:40,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2021-02-24 00:16:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-24 00:16:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2021-02-24 00:16:40,908 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 47 [2021-02-24 00:16:40,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:40,908 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2021-02-24 00:16:40,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-24 00:16:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2021-02-24 00:16:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-02-24 00:16:40,910 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:40,910 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] [2021-02-24 00:16:40,911 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 00:16:40,911 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:40,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:40,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1500762117, now seen corresponding path program 1 times [2021-02-24 00:16:40,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:40,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538974419] [2021-02-24 00:16:40,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:40,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:40,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:16:40,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:16:40,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:16:40,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:40,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:40,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:41,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:41,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:41,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:41,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-24 00:16:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:41,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:41,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-24 00:16:41,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538974419] [2021-02-24 00:16:41,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:41,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-24 00:16:41,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829102938] [2021-02-24 00:16:41,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 00:16:41,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:41,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 00:16:41,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-24 00:16:41,084 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand 8 states. [2021-02-24 00:16:41,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:41,525 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2021-02-24 00:16:41,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-24 00:16:41,525 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2021-02-24 00:16:41,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:41,527 INFO L225 Difference]: With dead ends: 107 [2021-02-24 00:16:41,527 INFO L226 Difference]: Without dead ends: 105 [2021-02-24 00:16:41,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-02-24 00:16:41,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-02-24 00:16:41,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2021-02-24 00:16:41,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2021-02-24 00:16:41,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 108 transitions. [2021-02-24 00:16:41,550 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 108 transitions. Word has length 69 [2021-02-24 00:16:41,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:41,551 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 108 transitions. [2021-02-24 00:16:41,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 00:16:41,551 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2021-02-24 00:16:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-02-24 00:16:41,553 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:16:41,553 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] [2021-02-24 00:16:41,553 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 00:16:41,553 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:16:41,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:16:41,554 INFO L82 PathProgramCache]: Analyzing trace with hash 812362928, now seen corresponding path program 2 times [2021-02-24 00:16:41,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:16:41,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [245075137] [2021-02-24 00:16:41,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:16:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:41,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:41,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:16:41,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:16:41,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:16:41,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:41,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:16:41,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:41,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:16:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:41,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:41,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-24 00:16:41,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:41,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:41,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-02-24 00:16:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:16:41,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:16:41,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:16:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-02-24 00:16:41,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [245075137] [2021-02-24 00:16:41,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:16:41,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-24 00:16:41,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392166251] [2021-02-24 00:16:41,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 00:16:41,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:16:41,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 00:16:41,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-24 00:16:41,762 INFO L87 Difference]: Start difference. First operand 102 states and 108 transitions. Second operand 7 states. [2021-02-24 00:16:42,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:16:42,103 INFO L93 Difference]: Finished difference Result 102 states and 108 transitions. [2021-02-24 00:16:42,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-24 00:16:42,104 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2021-02-24 00:16:42,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:16:42,107 INFO L225 Difference]: With dead ends: 102 [2021-02-24 00:16:42,107 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 00:16:42,108 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 [2021-02-24 00:16:42,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 00:16:42,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 00:16:42,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 00:16:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 00:16:42,109 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2021-02-24 00:16:42,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:16:42,109 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 00:16:42,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 00:16:42,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 00:16:42,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 00:16:42,110 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 00:16:42,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 00:16:43,635 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-24 00:16:43,635 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-24 00:16:43,635 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-24 00:16:43,635 INFO L192 CegarLoopUtils]: At program point L151(line 151) the Hoare annotation is: true [2021-02-24 00:16:43,636 INFO L192 CegarLoopUtils]: At program point L118(line 118) the Hoare annotation is: true [2021-02-24 00:16:43,636 INFO L192 CegarLoopUtils]: At program point L151-1(line 151) the Hoare annotation is: true [2021-02-24 00:16:43,636 INFO L192 CegarLoopUtils]: At program point L118-3(lines 118 136) the Hoare annotation is: true [2021-02-24 00:16:43,636 INFO L192 CegarLoopUtils]: At program point L118-4(line 118) the Hoare annotation is: true [2021-02-24 00:16:43,636 INFO L192 CegarLoopUtils]: At program point L118-5(line 118) the Hoare annotation is: true [2021-02-24 00:16:43,636 INFO L192 CegarLoopUtils]: At program point L118-6(lines 118 136) the Hoare annotation is: true [2021-02-24 00:16:43,636 INFO L192 CegarLoopUtils]: At program point L118-7(lines 118 136) the Hoare annotation is: true [2021-02-24 00:16:43,636 INFO L192 CegarLoopUtils]: At program point L120(line 120) the Hoare annotation is: true [2021-02-24 00:16:43,637 INFO L192 CegarLoopUtils]: At program point L120-1(line 120) the Hoare annotation is: true [2021-02-24 00:16:43,637 INFO L192 CegarLoopUtils]: At program point L120-2(line 120) the Hoare annotation is: true [2021-02-24 00:16:43,637 INFO L192 CegarLoopUtils]: At program point L120-3(line 120) the Hoare annotation is: true [2021-02-24 00:16:43,637 INFO L192 CegarLoopUtils]: At program point ludcmpEXIT(lines 111 155) the Hoare annotation is: true [2021-02-24 00:16:43,637 INFO L192 CegarLoopUtils]: At program point L120-4(line 120) the Hoare annotation is: true [2021-02-24 00:16:43,637 INFO L192 CegarLoopUtils]: At program point L120-5(line 120) the Hoare annotation is: true [2021-02-24 00:16:43,638 INFO L192 CegarLoopUtils]: At program point L120-6(line 120) the Hoare annotation is: true [2021-02-24 00:16:43,638 INFO L192 CegarLoopUtils]: At program point L120-7(line 120) the Hoare annotation is: true [2021-02-24 00:16:43,638 INFO L192 CegarLoopUtils]: At program point L137(line 137) the Hoare annotation is: true [2021-02-24 00:16:43,638 INFO L192 CegarLoopUtils]: At program point L137-1(line 137) the Hoare annotation is: true [2021-02-24 00:16:43,638 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|)) [2021-02-24 00:16:43,638 INFO L192 CegarLoopUtils]: At program point L121(line 121) the Hoare annotation is: true [2021-02-24 00:16:43,639 INFO L192 CegarLoopUtils]: At program point L121-3(lines 121 128) the Hoare annotation is: true [2021-02-24 00:16:43,639 INFO L192 CegarLoopUtils]: At program point L121-4(line 121) the Hoare annotation is: true [2021-02-24 00:16:43,639 INFO L192 CegarLoopUtils]: At program point L121-5(line 121) the Hoare annotation is: true [2021-02-24 00:16:43,639 INFO L192 CegarLoopUtils]: At program point L121-6(lines 121 128) the Hoare annotation is: true [2021-02-24 00:16:43,639 INFO L192 CegarLoopUtils]: At program point L121-7(lines 121 128) the Hoare annotation is: true [2021-02-24 00:16:43,639 INFO L192 CegarLoopUtils]: At program point L138(line 138) the Hoare annotation is: true [2021-02-24 00:16:43,640 INFO L192 CegarLoopUtils]: At program point L138-3(line 138) the Hoare annotation is: true [2021-02-24 00:16:43,640 INFO L192 CegarLoopUtils]: At program point L138-4(line 138) the Hoare annotation is: true [2021-02-24 00:16:43,640 INFO L192 CegarLoopUtils]: At program point L138-5(lines 138 144) the Hoare annotation is: true [2021-02-24 00:16:43,640 INFO L192 CegarLoopUtils]: At program point L138-6(lines 138 144) the Hoare annotation is: true [2021-02-24 00:16:43,640 INFO L192 CegarLoopUtils]: At program point L123(line 123) the Hoare annotation is: true [2021-02-24 00:16:43,640 INFO L192 CegarLoopUtils]: At program point L123-1(line 123) the Hoare annotation is: true [2021-02-24 00:16:43,640 INFO L192 CegarLoopUtils]: At program point L123-2(line 123) the Hoare annotation is: true [2021-02-24 00:16:43,641 INFO L192 CegarLoopUtils]: At program point L140(line 140) the Hoare annotation is: true [2021-02-24 00:16:43,641 INFO L192 CegarLoopUtils]: At program point L140-1(line 140) the Hoare annotation is: true [2021-02-24 00:16:43,641 INFO L192 CegarLoopUtils]: At program point L140-2(line 140) the Hoare annotation is: true [2021-02-24 00:16:43,641 INFO L192 CegarLoopUtils]: At program point L124(lines 124 126) the Hoare annotation is: true [2021-02-24 00:16:43,641 INFO L192 CegarLoopUtils]: At program point L124-1(lines 124 126) the Hoare annotation is: true [2021-02-24 00:16:43,641 INFO L192 CegarLoopUtils]: At program point L141(line 141) the Hoare annotation is: true [2021-02-24 00:16:43,641 INFO L192 CegarLoopUtils]: At program point L141-3(lines 141 142) the Hoare annotation is: true [2021-02-24 00:16:43,641 INFO L192 CegarLoopUtils]: At program point L141-4(line 141) the Hoare annotation is: true [2021-02-24 00:16:43,642 INFO L192 CegarLoopUtils]: At program point L141-5(line 141) the Hoare annotation is: true [2021-02-24 00:16:43,642 INFO L192 CegarLoopUtils]: At program point L141-6(lines 141 142) the Hoare annotation is: true [2021-02-24 00:16:43,642 INFO L192 CegarLoopUtils]: At program point L141-7(lines 141 142) the Hoare annotation is: true [2021-02-24 00:16:43,642 INFO L192 CegarLoopUtils]: At program point L125(line 125) the Hoare annotation is: true [2021-02-24 00:16:43,642 INFO L192 CegarLoopUtils]: At program point L125-3(lines 125 126) the Hoare annotation is: true [2021-02-24 00:16:43,642 INFO L192 CegarLoopUtils]: At program point L125-4(line 125) the Hoare annotation is: true [2021-02-24 00:16:43,642 INFO L192 CegarLoopUtils]: At program point L125-5(line 125) the Hoare annotation is: true [2021-02-24 00:16:43,643 INFO L192 CegarLoopUtils]: At program point L125-6(lines 125 126) the Hoare annotation is: true [2021-02-24 00:16:43,643 INFO L192 CegarLoopUtils]: At program point L142(line 142) the Hoare annotation is: true [2021-02-24 00:16:43,643 INFO L192 CegarLoopUtils]: At program point L142-1(line 142) the Hoare annotation is: true [2021-02-24 00:16:43,643 INFO L192 CegarLoopUtils]: At program point L142-2(line 142) the Hoare annotation is: true [2021-02-24 00:16:43,643 INFO L192 CegarLoopUtils]: At program point L142-3(line 142) the Hoare annotation is: true [2021-02-24 00:16:43,643 INFO L192 CegarLoopUtils]: At program point L142-4(line 142) the Hoare annotation is: true [2021-02-24 00:16:43,643 INFO L192 CegarLoopUtils]: At program point L126(line 126) the Hoare annotation is: true [2021-02-24 00:16:43,644 INFO L192 CegarLoopUtils]: At program point L126-1(line 126) the Hoare annotation is: true [2021-02-24 00:16:43,644 INFO L192 CegarLoopUtils]: At program point L126-2(line 126) the Hoare annotation is: true [2021-02-24 00:16:43,644 INFO L192 CegarLoopUtils]: At program point L126-3(line 126) the Hoare annotation is: true [2021-02-24 00:16:43,644 INFO L192 CegarLoopUtils]: At program point L126-4(line 126) the Hoare annotation is: true [2021-02-24 00:16:43,644 INFO L192 CegarLoopUtils]: At program point L143(lines 138 144) the Hoare annotation is: true [2021-02-24 00:16:43,644 INFO L192 CegarLoopUtils]: At program point L127(line 127) the Hoare annotation is: true [2021-02-24 00:16:43,645 INFO L192 CegarLoopUtils]: At program point L127-1(line 127) the Hoare annotation is: true [2021-02-24 00:16:43,645 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|)) [2021-02-24 00:16:43,645 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|)) [2021-02-24 00:16:43,645 INFO L192 CegarLoopUtils]: At program point L145(line 145) the Hoare annotation is: true [2021-02-24 00:16:43,645 INFO L192 CegarLoopUtils]: At program point L145-1(line 145) the Hoare annotation is: true [2021-02-24 00:16:43,645 INFO L192 CegarLoopUtils]: At program point L145-2(line 145) the Hoare annotation is: true [2021-02-24 00:16:43,646 INFO L192 CegarLoopUtils]: At program point L145-3(line 145) the Hoare annotation is: true [2021-02-24 00:16:43,646 INFO L192 CegarLoopUtils]: At program point L129-2(line 129) the Hoare annotation is: true [2021-02-24 00:16:43,646 INFO L192 CegarLoopUtils]: At program point L129-3(line 129) the Hoare annotation is: true [2021-02-24 00:16:43,646 INFO L192 CegarLoopUtils]: At program point L129-4(lines 129 135) the Hoare annotation is: true [2021-02-24 00:16:43,646 INFO L192 CegarLoopUtils]: At program point L146(line 146) the Hoare annotation is: true [2021-02-24 00:16:43,646 INFO L192 CegarLoopUtils]: At program point L146-3(lines 146 152) the Hoare annotation is: true [2021-02-24 00:16:43,646 INFO L192 CegarLoopUtils]: At program point L146-4(line 146) the Hoare annotation is: true [2021-02-24 00:16:43,647 INFO L192 CegarLoopUtils]: At program point L146-5(line 146) the Hoare annotation is: true [2021-02-24 00:16:43,647 INFO L192 CegarLoopUtils]: At program point L146-6(lines 146 152) the Hoare annotation is: true [2021-02-24 00:16:43,647 INFO L192 CegarLoopUtils]: At program point L146-7(lines 146 152) the Hoare annotation is: true [2021-02-24 00:16:43,647 INFO L192 CegarLoopUtils]: At program point ludcmpFINAL(lines 111 155) the Hoare annotation is: true [2021-02-24 00:16:43,647 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|)) [2021-02-24 00:16:43,647 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|)) [2021-02-24 00:16:43,648 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|)) [2021-02-24 00:16:43,648 INFO L192 CegarLoopUtils]: At program point L131(line 131) the Hoare annotation is: true [2021-02-24 00:16:43,648 INFO L192 CegarLoopUtils]: At program point L131-1(line 131) the Hoare annotation is: true [2021-02-24 00:16:43,648 INFO L192 CegarLoopUtils]: At program point L131-2(line 131) the Hoare annotation is: true [2021-02-24 00:16:43,648 INFO L192 CegarLoopUtils]: At program point L148(line 148) the Hoare annotation is: true [2021-02-24 00:16:43,648 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|)) [2021-02-24 00:16:43,648 INFO L192 CegarLoopUtils]: At program point L148-1(line 148) the Hoare annotation is: true [2021-02-24 00:16:43,649 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|)) [2021-02-24 00:16:43,649 INFO L192 CegarLoopUtils]: At program point L148-2(line 148) the Hoare annotation is: true [2021-02-24 00:16:43,649 INFO L192 CegarLoopUtils]: At program point L115-2(lines 112 155) the Hoare annotation is: true [2021-02-24 00:16:43,649 INFO L192 CegarLoopUtils]: At program point L115-3(line 115) the Hoare annotation is: true [2021-02-24 00:16:43,649 INFO L192 CegarLoopUtils]: At program point L115-4(line 115) the Hoare annotation is: true [2021-02-24 00:16:43,649 INFO L192 CegarLoopUtils]: At program point L115-5(line 115) the Hoare annotation is: true [2021-02-24 00:16:43,650 INFO L192 CegarLoopUtils]: At program point L115-6(line 115) the Hoare annotation is: true [2021-02-24 00:16:43,650 INFO L192 CegarLoopUtils]: At program point L115-7(line 115) the Hoare annotation is: true [2021-02-24 00:16:43,650 INFO L192 CegarLoopUtils]: At program point L115-8(line 115) the Hoare annotation is: true [2021-02-24 00:16:43,650 INFO L192 CegarLoopUtils]: At program point L132(line 132) the Hoare annotation is: true [2021-02-24 00:16:43,650 INFO L192 CegarLoopUtils]: At program point L132-3(lines 132 133) the Hoare annotation is: true [2021-02-24 00:16:43,650 INFO L192 CegarLoopUtils]: At program point L132-4(line 132) the Hoare annotation is: true [2021-02-24 00:16:43,650 INFO L192 CegarLoopUtils]: At program point L132-5(line 132) the Hoare annotation is: true [2021-02-24 00:16:43,651 INFO L192 CegarLoopUtils]: At program point L132-6(lines 132 133) the Hoare annotation is: true [2021-02-24 00:16:43,651 INFO L192 CegarLoopUtils]: At program point L132-7(lines 132 133) the Hoare annotation is: true [2021-02-24 00:16:43,651 INFO L192 CegarLoopUtils]: At program point L149(line 149) the Hoare annotation is: true [2021-02-24 00:16:43,651 INFO L192 CegarLoopUtils]: At program point L149-3(lines 149 150) the Hoare annotation is: true [2021-02-24 00:16:43,651 INFO L192 CegarLoopUtils]: At program point L149-4(line 149) the Hoare annotation is: true [2021-02-24 00:16:43,651 INFO L192 CegarLoopUtils]: At program point L149-5(line 149) the Hoare annotation is: true [2021-02-24 00:16:43,651 INFO L192 CegarLoopUtils]: At program point L149-6(lines 149 150) the Hoare annotation is: true [2021-02-24 00:16:43,652 INFO L192 CegarLoopUtils]: At program point L149-7(lines 149 150) the Hoare annotation is: true [2021-02-24 00:16:43,652 INFO L192 CegarLoopUtils]: At program point L133(line 133) the Hoare annotation is: true [2021-02-24 00:16:43,652 INFO L192 CegarLoopUtils]: At program point L133-1(line 133) the Hoare annotation is: true [2021-02-24 00:16:43,652 INFO L192 CegarLoopUtils]: At program point L133-2(line 133) the Hoare annotation is: true [2021-02-24 00:16:43,652 INFO L192 CegarLoopUtils]: At program point L133-3(line 133) the Hoare annotation is: true [2021-02-24 00:16:43,652 INFO L192 CegarLoopUtils]: At program point L133-4(line 133) the Hoare annotation is: true [2021-02-24 00:16:43,652 INFO L192 CegarLoopUtils]: At program point L150(line 150) the Hoare annotation is: true [2021-02-24 00:16:43,653 INFO L192 CegarLoopUtils]: At program point L117(line 117) the Hoare annotation is: true [2021-02-24 00:16:43,653 INFO L192 CegarLoopUtils]: At program point L150-1(line 150) the Hoare annotation is: true [2021-02-24 00:16:43,653 INFO L192 CegarLoopUtils]: At program point L150-2(line 150) the Hoare annotation is: true [2021-02-24 00:16:43,653 INFO L192 CegarLoopUtils]: At program point L150-3(line 150) the Hoare annotation is: true [2021-02-24 00:16:43,653 INFO L192 CegarLoopUtils]: At program point L150-4(line 150) the Hoare annotation is: true [2021-02-24 00:16:43,653 INFO L192 CegarLoopUtils]: At program point L134(lines 129 135) the Hoare annotation is: true [2021-02-24 00:16:43,653 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-24 00:16:43,653 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-24 00:16:43,654 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 00:16:43,654 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-24 00:16:43,654 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-24 00:16:43,654 INFO L192 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: true [2021-02-24 00:16:43,654 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-24 00:16:43,654 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)|)) [2021-02-24 00:16:43,654 INFO L192 CegarLoopUtils]: At program point L71(line 71) the Hoare annotation is: true [2021-02-24 00:16:43,655 INFO L192 CegarLoopUtils]: At program point L71-1(line 71) the Hoare annotation is: true [2021-02-24 00:16:43,655 INFO L192 CegarLoopUtils]: At program point L71-2(line 71) the Hoare annotation is: true [2021-02-24 00:16:43,655 INFO L192 CegarLoopUtils]: At program point L71-3(line 71) the Hoare annotation is: true [2021-02-24 00:16:43,655 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-24 00:16:43,655 INFO L192 CegarLoopUtils]: At program point L71-4(line 71) the Hoare annotation is: true [2021-02-24 00:16:43,655 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-24 00:16:43,655 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-24 00:16:43,656 INFO L192 CegarLoopUtils]: At program point L81(line 81) the Hoare annotation is: true [2021-02-24 00:16:43,656 INFO L192 CegarLoopUtils]: At program point L80(lines 80 81) the Hoare annotation is: true [2021-02-24 00:16:43,656 INFO L192 CegarLoopUtils]: At program point L80-1(line 80) the Hoare annotation is: true [2021-02-24 00:16:43,656 INFO L192 CegarLoopUtils]: At program point L78(line 78) the Hoare annotation is: true [2021-02-24 00:16:43,656 INFO L192 CegarLoopUtils]: At program point L80-3(lines 80 81) the Hoare annotation is: true [2021-02-24 00:16:43,656 INFO L192 CegarLoopUtils]: At program point fabsEXIT(lines 76 83) the Hoare annotation is: true [2021-02-24 00:16:43,656 INFO L192 CegarLoopUtils]: At program point fabsENTRY(lines 76 83) the Hoare annotation is: true [2021-02-24 00:16:43,657 INFO L192 CegarLoopUtils]: At program point fabsFINAL(lines 76 83) the Hoare annotation is: true [2021-02-24 00:16:43,657 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-24 00:16:43,657 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 00:16:43,657 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-24 00:16:43,657 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-24 00:16:43,657 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|)) [2021-02-24 00:16:43,658 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)) [2021-02-24 00:16:43,658 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|)) [2021-02-24 00:16:43,658 INFO L185 CegarLoopUtils]: At program point L93-4(line 93) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-24 00:16:43,658 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 85 109) the Hoare annotation is: true [2021-02-24 00:16:43,658 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|)) [2021-02-24 00:16:43,658 INFO L185 CegarLoopUtils]: At program point L93-5(lines 93 104) the Hoare annotation is: (and (<= main_~n~0 5) (<= 5 main_~n~0)) [2021-02-24 00:16:43,658 INFO L192 CegarLoopUtils]: At program point L93-6(lines 93 104) the Hoare annotation is: true [2021-02-24 00:16:43,659 INFO L192 CegarLoopUtils]: At program point L106(line 106) the Hoare annotation is: true [2021-02-24 00:16:43,659 INFO L192 CegarLoopUtils]: At program point L106-1(line 106) the Hoare annotation is: true [2021-02-24 00:16:43,659 INFO L192 CegarLoopUtils]: At program point L106-2(line 106) the Hoare annotation is: true [2021-02-24 00:16:43,659 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)) [2021-02-24 00:16:43,659 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)) [2021-02-24 00:16:43,659 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)) [2021-02-24 00:16:43,660 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)) [2021-02-24 00:16:43,660 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)) [2021-02-24 00:16:43,660 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)) [2021-02-24 00:16:43,660 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)) [2021-02-24 00:16:43,660 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)) [2021-02-24 00:16:43,660 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)) [2021-02-24 00:16:43,661 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|)) [2021-02-24 00:16:43,661 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 85 109) the Hoare annotation is: true [2021-02-24 00:16:43,661 INFO L192 CegarLoopUtils]: At program point L108(line 108) the Hoare annotation is: true [2021-02-24 00:16:43,661 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)) [2021-02-24 00:16:43,661 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)) [2021-02-24 00:16:43,661 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)) [2021-02-24 00:16:43,662 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|)) [2021-02-24 00:16:43,662 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)) [2021-02-24 00:16:43,662 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)) [2021-02-24 00:16:43,662 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)) [2021-02-24 00:16:43,662 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)) [2021-02-24 00:16:43,662 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)) [2021-02-24 00:16:43,663 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|)) [2021-02-24 00:16:43,663 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|)) [2021-02-24 00:16:43,663 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|)) [2021-02-24 00:16:43,663 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|)) [2021-02-24 00:16:43,663 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 5 10) the Hoare annotation is: true [2021-02-24 00:16:43,663 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))) [2021-02-24 00:16:43,664 INFO L185 CegarLoopUtils]: At program point L7(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-24 00:16:43,664 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))) [2021-02-24 00:16:43,664 INFO L185 CegarLoopUtils]: At program point L7-1(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-24 00:16:43,664 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))) [2021-02-24 00:16:43,664 INFO L185 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-02-24 00:16:43,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:16:43 BoogieIcfgContainer [2021-02-24 00:16:43,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 00:16:43,686 INFO L168 Benchmark]: Toolchain (without parser) took 6235.11 ms. Allocated memory was 153.1 MB in the beginning and 228.6 MB in the end (delta: 75.5 MB). Free memory was 129.8 MB in the beginning and 109.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 127.6 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,686 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 153.1 MB. Free memory is still 128.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 00:16:43,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.63 ms. Allocated memory is still 153.1 MB. Free memory was 128.8 MB in the beginning and 117.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,688 INFO L168 Benchmark]: Boogie Preprocessor took 58.69 ms. Allocated memory is still 153.1 MB. Free memory was 117.0 MB in the beginning and 114.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,688 INFO L168 Benchmark]: RCFGBuilder took 664.58 ms. Allocated memory is still 153.1 MB. Free memory was 114.6 MB in the beginning and 110.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,689 INFO L168 Benchmark]: TraceAbstraction took 5187.24 ms. Allocated memory was 153.1 MB in the beginning and 228.6 MB in the end (delta: 75.5 MB). Free memory was 109.8 MB in the beginning and 109.3 MB in the end (delta: 477.3 kB). Peak memory consumption was 106.4 MB. Max. memory is 8.0 GB. [2021-02-24 00:16:43,692 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 153.1 MB. Free memory is still 128.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 306.63 ms. Allocated memory is still 153.1 MB. Free memory was 128.8 MB in the beginning and 117.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 58.69 ms. Allocated memory is still 153.1 MB. Free memory was 117.0 MB in the beginning and 114.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 664.58 ms. Allocated memory is still 153.1 MB. Free memory was 114.6 MB in the beginning and 110.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5187.24 ms. Allocated memory was 153.1 MB in the beginning and 228.6 MB in the end (delta: 75.5 MB). Free memory was 109.8 MB in the beginning and 109.3 MB in the end (delta: 477.3 kB). Peak memory consumption was 106.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: n <= 5 && 5 <= n - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (i <= 5 && n <= 5) && 5 <= n - ProcedureContractResult [Line: 111]: Procedure Contract for ludcmp Derived contract for procedure ludcmp: 1 - ProcedureContractResult [Line: 76]: Procedure Contract for fabs Derived contract for procedure fabs: 1 - ProcedureContractResult [Line: 85]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 5]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: \old(cond) == 0 || !(cond == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 195 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 2.1s, 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, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 69 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 49 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 192 LocationsWithAnnotation, 477 PreInvPairs, 770 NumberOfFragments, 627 HoareAnnotationTreeSize, 477 FomulaSimplifications, 3273 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 192 FomulaSimplificationsInter, 1349 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 54834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 39/85 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...