/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-lit/cggmp2005.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-1a84f73 [2021-05-01 07:11:00,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-01 07:11:00,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-01 07:11:01,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-01 07:11:01,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-01 07:11:01,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-01 07:11:01,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-01 07:11:01,034 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-01 07:11:01,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-01 07:11:01,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-01 07:11:01,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-01 07:11:01,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-01 07:11:01,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-01 07:11:01,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-01 07:11:01,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-01 07:11:01,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-01 07:11:01,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-01 07:11:01,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-01 07:11:01,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-01 07:11:01,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-01 07:11:01,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-01 07:11:01,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-01 07:11:01,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-01 07:11:01,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-01 07:11:01,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-01 07:11:01,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-01 07:11:01,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-01 07:11:01,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-01 07:11:01,076 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-01 07:11:01,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-01 07:11:01,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-01 07:11:01,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-01 07:11:01,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-01 07:11:01,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-01 07:11:01,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-01 07:11:01,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-01 07:11:01,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 07:11:01,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-01 07:11:01,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-01 07:11:01,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-01 07:11:01,078 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-01 07:11:01,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-01 07:11:01,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-01 07:11:01,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-01 07:11:01,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-01 07:11:01,401 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-01 07:11:01,402 INFO L275 PluginConnector]: CDTParser initialized [2021-05-01 07:11:01,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005.i [2021-05-01 07:11:01,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c34844f8/040aed8332884b54b715bd608de5fa2c/FLAG99ee563e9 [2021-05-01 07:11:01,749 INFO L306 CDTParser]: Found 1 translation units. [2021-05-01 07:11:01,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i [2021-05-01 07:11:01,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c34844f8/040aed8332884b54b715bd608de5fa2c/FLAG99ee563e9 [2021-05-01 07:11:02,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c34844f8/040aed8332884b54b715bd608de5fa2c [2021-05-01 07:11:02,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-01 07:11:02,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-01 07:11:02,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-01 07:11:02,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-01 07:11:02,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-01 07:11:02,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 07:11:02" (1/1) ... [2021-05-01 07:11:02,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1b9c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02, skipping insertion in model container [2021-05-01 07:11:02,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 07:11:02" (1/1) ... [2021-05-01 07:11:02,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-01 07:11:02,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-01 07:11:02,340 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i[895,908] [2021-05-01 07:11:02,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 07:11:02,350 INFO L203 MainTranslator]: Completed pre-run [2021-05-01 07:11:02,358 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005.i[895,908] [2021-05-01 07:11:02,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 07:11:02,390 INFO L208 MainTranslator]: Completed translation [2021-05-01 07:11:02,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02 WrapperNode [2021-05-01 07:11:02,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-01 07:11:02,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-01 07:11:02,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-01 07:11:02,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-01 07:11:02,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02" (1/1) ... [2021-05-01 07:11:02,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02" (1/1) ... [2021-05-01 07:11:02,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02" (1/1) ... [2021-05-01 07:11:02,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02" (1/1) ... [2021-05-01 07:11:02,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02" (1/1) ... [2021-05-01 07:11:02,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02" (1/1) ... [2021-05-01 07:11:02,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02" (1/1) ... [2021-05-01 07:11:02,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-01 07:11:02,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-01 07:11:02,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-01 07:11:02,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-01 07:11:02,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02" (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 [2021-05-01 07:11:02,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-01 07:11:02,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-01 07:11:02,509 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-01 07:11:02,510 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-01 07:11:02,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-01 07:11:02,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-01 07:11:02,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-01 07:11:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-01 07:11:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-01 07:11:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-01 07:11:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-01 07:11:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-01 07:11:02,702 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-01 07:11:02,702 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-01 07:11:02,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 07:11:02 BoogieIcfgContainer [2021-05-01 07:11:02,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-01 07:11:02,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-01 07:11:02,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-01 07:11:02,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-01 07:11:02,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 07:11:02" (1/3) ... [2021-05-01 07:11:02,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@809e8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 07:11:02, skipping insertion in model container [2021-05-01 07:11:02,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 07:11:02" (2/3) ... [2021-05-01 07:11:02,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@809e8ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 07:11:02, skipping insertion in model container [2021-05-01 07:11:02,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 07:11:02" (3/3) ... [2021-05-01 07:11:02,709 INFO L111 eAbstractionObserver]: Analyzing ICFG cggmp2005.i [2021-05-01 07:11:02,714 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-01 07:11:02,717 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-01 07:11:02,729 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-01 07:11:02,743 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-01 07:11:02,743 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-01 07:11:02,743 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-01 07:11:02,744 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-01 07:11:02,744 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-01 07:11:02,744 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-01 07:11:02,744 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-01 07:11:02,744 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-01 07:11:02,753 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-01 07:11:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-01 07:11:02,759 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 07:11:02,759 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 07:11:02,759 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 07:11:02,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 07:11:02,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1817730928, now seen corresponding path program 1 times [2021-05-01 07:11:02,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 07:11:02,770 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136541886] [2021-05-01 07:11:02,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 07:11:02,812 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-01 07:11:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:11:02,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:02,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:02,917 INFO L142 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-05-01 07:11:02,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 07:11:02,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:02,950 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:02,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 07:11:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:11:03,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 07:11:03,008 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 07:11:03,009 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136541886] [2021-05-01 07:11:03,010 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1136541886] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 07:11:03,010 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 07:11:03,010 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-01 07:11:03,011 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431779770] [2021-05-01 07:11:03,014 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-01 07:11:03,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 07:11:03,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-01 07:11:03,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-01 07:11:03,034 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:03,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 07:11:03,166 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2021-05-01 07:11:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-01 07:11:03,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-05-01 07:11:03,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 07:11:03,172 INFO L225 Difference]: With dead ends: 32 [2021-05-01 07:11:03,172 INFO L226 Difference]: Without dead ends: 13 [2021-05-01 07:11:03,175 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 86.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-01 07:11:03,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-05-01 07:11:03,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-05-01 07:11:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-05-01 07:11:03,206 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2021-05-01 07:11:03,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 07:11:03,206 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-05-01 07:11:03,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-05-01 07:11:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-05-01 07:11:03,207 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 07:11:03,207 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 07:11:03,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-01 07:11:03,207 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 07:11:03,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 07:11:03,208 INFO L82 PathProgramCache]: Analyzing trace with hash -480588846, now seen corresponding path program 1 times [2021-05-01 07:11:03,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 07:11:03,209 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308478234] [2021-05-01 07:11:03,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 07:11:03,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 07:11:03,249 INFO L181 rdanLoopAcceleration]: Guard: Formula: (<= v_main_~i~0_8 v_main_~j~0_10) InVars {main_~i~0=v_main_~i~0_8, main_~j~0=v_main_~j~0_10} OutVars{main_~i~0=v_main_~i~0_8, main_~j~0=v_main_~j~0_10} AuxVars[] AssignedVars[] [2021-05-01 07:11:03,273 WARN L240 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size [2021-05-01 07:11:03,284 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,287 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,290 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,293 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,296 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,305 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,308 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 07:11:03,310 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 07:11:03,314 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,318 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,334 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,336 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 07:11:03,359 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,360 WARN L245 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-05-01 07:11:03,376 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-05-01 07:11:03,377 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 07:11:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:11:03,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:03,464 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-05-01 07:11:03,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 07:11:03,487 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-05-01 07:11:03,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-05-01 07:11:03,510 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 07:11:03,513 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 07:11:03,523 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 07:11:03,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 07:11:03,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:03,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 07:11:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:11:03,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 07:11:03,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,599 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 07:11:03,612 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.0 percent of original size [2021-05-01 07:11:03,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 07:11:03,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 07:11:03,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 07:11:03,665 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-05-01 07:11:03,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-05-01 07:11:03,683 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-05-01 07:11:03,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:03,721 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 07:11:03,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308478234] [2021-05-01 07:11:03,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [308478234] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 07:11:03,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 07:11:03,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-01 07:11:03,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118935132] [2021-05-01 07:11:03,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-01 07:11:03,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 07:11:03,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-01 07:11:03,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-05-01 07:11:03,723 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:03,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 07:11:03,923 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2021-05-01 07:11:03,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-01 07:11:03,923 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-05-01 07:11:03,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 07:11:03,924 INFO L225 Difference]: With dead ends: 19 [2021-05-01 07:11:03,924 INFO L226 Difference]: Without dead ends: 14 [2021-05-01 07:11:03,925 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 254.0ms TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-05-01 07:11:03,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-05-01 07:11:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-05-01 07:11:03,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:03,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-05-01 07:11:03,929 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2021-05-01 07:11:03,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 07:11:03,929 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-05-01 07:11:03,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:03,929 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-05-01 07:11:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-05-01 07:11:03,930 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 07:11:03,930 INFO L519 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 07:11:03,930 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-01 07:11:03,930 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 07:11:03,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 07:11:03,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1978857264, now seen corresponding path program 2 times [2021-05-01 07:11:03,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 07:11:03,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078482313] [2021-05-01 07:11:03,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 07:11:03,935 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,937 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 07:11:03,937 INFO L181 rdanLoopAcceleration]: Guard: Formula: (<= v_main_~i~0_12 v_main_~j~0_14) InVars {main_~i~0=v_main_~i~0_12, main_~j~0=v_main_~j~0_14} OutVars{main_~i~0=v_main_~i~0_12, main_~j~0=v_main_~j~0_14} AuxVars[] AssignedVars[] [2021-05-01 07:11:03,941 WARN L240 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size [2021-05-01 07:11:03,943 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,947 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 07:11:03,949 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,950 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 07:11:03,953 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,955 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 07:11:03,957 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,959 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,962 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,965 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,967 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,969 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,970 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,971 WARN L245 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-05-01 07:11:03,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:03,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-05-01 07:11:03,986 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 07:11:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:11:04,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:04,018 INFO L142 QuantifierPusher]: treesize reduction 5, result has 66.7 percent of original size [2021-05-01 07:11:04,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 07:11:04,024 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-05-01 07:11:04,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 07:11:04,035 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 07:11:04,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 07:11:04,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 07:11:04,045 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 07:11:04,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:04,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 07:11:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:11:04,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 07:11:04,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 07:11:04,077 INFO L142 QuantifierPusher]: treesize reduction 13, result has 78.0 percent of original size [2021-05-01 07:11:04,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-05-01 07:11:04,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-01 07:11:04,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 07:11:04,103 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-05-01 07:11:04,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-05-01 07:11:04,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-05-01 07:11:04,126 INFO L142 QuantifierPusher]: treesize reduction 5, result has 92.8 percent of original size [2021-05-01 07:11:04,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 07:11:04,129 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.0 percent of original size [2021-05-01 07:11:04,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-05-01 07:11:04,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-05-01 07:11:04,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:04,152 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 07:11:04,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078482313] [2021-05-01 07:11:04,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2078482313] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 07:11:04,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 07:11:04,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-01 07:11:04,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603260279] [2021-05-01 07:11:04,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-01 07:11:04,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 07:11:04,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-01 07:11:04,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-05-01 07:11:04,154 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:04,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 07:11:04,326 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-05-01 07:11:04,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-01 07:11:04,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2021-05-01 07:11:04,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 07:11:04,333 INFO L225 Difference]: With dead ends: 20 [2021-05-01 07:11:04,333 INFO L226 Difference]: Without dead ends: 15 [2021-05-01 07:11:04,334 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 182.6ms TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-05-01 07:11:04,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-05-01 07:11:04,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-05-01 07:11:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-05-01 07:11:04,342 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2021-05-01 07:11:04,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 07:11:04,342 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-05-01 07:11:04,343 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 8 states have (on average 1.125) internal successors, (9), 7 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:04,343 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-05-01 07:11:04,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-01 07:11:04,343 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 07:11:04,343 INFO L519 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 07:11:04,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-01 07:11:04,343 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 07:11:04,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 07:11:04,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1180537966, now seen corresponding path program 3 times [2021-05-01 07:11:04,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-01 07:11:04,344 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865723195] [2021-05-01 07:11:04,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 07:11:04,351 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 07:11:04,353 INFO L181 rdanLoopAcceleration]: Guard: Formula: (<= v_main_~i~0_17 v_main_~j~0_19) InVars {main_~i~0=v_main_~i~0_17, main_~j~0=v_main_~j~0_19} OutVars{main_~i~0=v_main_~i~0_17, main_~j~0=v_main_~j~0_19} AuxVars[] AssignedVars[] [2021-05-01 07:11:04,362 WARN L240 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size [2021-05-01 07:11:04,368 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,372 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,375 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,377 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,379 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,384 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 07:11:04,387 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,388 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-05-01 07:11:04,391 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 07:11:04,394 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,396 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,398 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,400 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,406 WARN L245 tifierPushTermWalker]: treesize reduction 6, result has 90.6 percent of original size 58 [2021-05-01 07:11:04,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-05-01 07:11:04,420 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-01 07:11:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:11:04,473 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:04,474 INFO L142 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-05-01 07:11:04,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-05-01 07:11:04,483 INFO L142 QuantifierPusher]: treesize reduction 8, result has 72.4 percent of original size [2021-05-01 07:11:04,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-05-01 07:11:04,499 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-05-01 07:11:04,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 07:11:04,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 07:11:04,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 07:11:04,516 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:04,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 07:11:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 07:11:04,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 07:11:04,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 07:11:04,568 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.1 percent of original size [2021-05-01 07:11:04,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-05-01 07:11:04,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-05-01 07:11:04,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 07:11:04,600 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-05-01 07:11:04,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-05-01 07:11:04,606 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-05-01 07:11:04,626 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-05-01 07:11:04,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 07:11:04,631 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-05-01 07:11:04,633 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-05-01 07:11:04,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-05-01 07:11:04,662 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-05-01 07:11:04,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 07:11:04,669 INFO L142 QuantifierPusher]: treesize reduction 2, result has 96.4 percent of original size [2021-05-01 07:11:04,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-05-01 07:11:04,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-05-01 07:11:04,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 07:11:04,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 07:11:04,699 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-01 07:11:04,699 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865723195] [2021-05-01 07:11:04,699 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [865723195] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 07:11:04,699 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 07:11:04,699 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-05-01 07:11:04,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073209844] [2021-05-01 07:11:04,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-05-01 07:11:04,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-01 07:11:04,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-05-01 07:11:04,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-05-01 07:11:04,708 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:05,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 07:11:05,008 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-05-01 07:11:05,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-01 07:11:05,008 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2021-05-01 07:11:05,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 07:11:05,009 INFO L225 Difference]: With dead ends: 20 [2021-05-01 07:11:05,009 INFO L226 Difference]: Without dead ends: 0 [2021-05-01 07:11:05,009 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 349.4ms TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2021-05-01 07:11:05,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-01 07:11:05,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-01 07:11:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-01 07:11:05,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-01 07:11:05,010 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-05-01 07:11:05,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 07:11:05,010 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-01 07:11:05,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 07:11:05,010 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-01 07:11:05,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-01 07:11:05,010 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-01 07:11:05,012 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-05-01 07:11:05,264 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 83 [2021-05-01 07:11:05,311 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2021-05-01 07:11:05,311 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 12) no Hoare annotation was computed. [2021-05-01 07:11:05,312 INFO L198 CegarLoopUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2021-05-01 07:11:05,312 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-05-01 07:11:05,312 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2021-05-01 07:11:05,312 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-05-01 07:11:05,312 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-05-01 07:11:05,312 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-05-01 07:11:05,312 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-05-01 07:11:05,314 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-05-01 07:11:05,314 INFO L198 CegarLoopUtils]: For program point L15(line 15) no Hoare annotation was computed. [2021-05-01 07:11:05,314 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 14 16) no Hoare annotation was computed. [2021-05-01 07:11:05,315 INFO L198 CegarLoopUtils]: For program point L15-2(lines 14 16) no Hoare annotation was computed. [2021-05-01 07:11:05,315 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 14 16) no Hoare annotation was computed. [2021-05-01 07:11:05,316 INFO L201 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-05-01 07:11:05,316 INFO L201 CegarLoopUtils]: At program point mainENTRY(lines 24 34) the Hoare annotation is: true [2021-05-01 07:11:05,316 INFO L194 CegarLoopUtils]: At program point L28-2(lines 28 31) the Hoare annotation is: (let ((.cse0 (<= main_~i~0 (+ main_~j~0 3)))) (or (exists ((v_main_~j~0_11 Int)) (and (or (and (= v_main_~j~0_11 main_~j~0) (= main_~i~0 1)) (and (= (+ (* v_main_~j~0_11 2) 1) (+ main_~i~0 (* main_~j~0 2))) (<= v_main_~j~0_11 (+ main_~j~0 (div (+ v_main_~j~0_11 (- 1)) 3) 1)) (< (* 3 main_~j~0) (+ (* 2 v_main_~j~0_11) 1)))) (<= v_main_~j~0_11 10) (<= 10 v_main_~j~0_11))) (and .cse0 (exists ((v_main_~j~0_20 Int)) (and (<= 10 v_main_~j~0_20) (let ((.cse1 (+ main_~j~0 2))) (or (and (< .cse1 v_main_~j~0_20) (= (+ (* v_main_~j~0_20 2) 1) (+ main_~i~0 (* main_~j~0 2))) (<= v_main_~j~0_20 (+ main_~j~0 (div (+ v_main_~j~0_20 (- 1)) 3) 3)) (< (+ (* 3 main_~j~0) 5) (* 2 v_main_~j~0_20))) (and (= 5 main_~i~0) (= v_main_~j~0_20 .cse1)))) (<= v_main_~j~0_20 10)))) (and (exists ((v_main_~j~0_11 Int)) (and (or (and (= v_main_~j~0_11 (+ main_~j~0 1)) (= main_~i~0 3)) (and (<= v_main_~j~0_11 (+ main_~j~0 (div (+ v_main_~j~0_11 (- 1)) 3) 2)) (= (+ (* v_main_~j~0_11 2) 1) (+ main_~i~0 (* main_~j~0 2))) (< (+ (* 3 main_~j~0) 2) (* 2 v_main_~j~0_11)))) (<= v_main_~j~0_11 10) (<= 10 v_main_~j~0_11))) .cse0) (and (exists ((v_main_~j~0_20 Int)) (and (let ((.cse2 (+ main_~j~0 3))) (or (and (< (+ (* 3 main_~j~0) 8) (* 2 v_main_~j~0_20)) (= (+ (* v_main_~j~0_20 2) 1) (+ main_~i~0 (* main_~j~0 2))) (< .cse2 v_main_~j~0_20) (<= v_main_~j~0_20 (+ main_~j~0 (div (+ v_main_~j~0_20 (- 1)) 3) 4))) (and (= 7 main_~i~0) (= v_main_~j~0_20 .cse2)))) (<= 10 v_main_~j~0_20) (<= v_main_~j~0_20 10))) .cse0))) [2021-05-01 07:11:05,316 INFO L194 CegarLoopUtils]: At program point L28-3(lines 28 31) the Hoare annotation is: (and (<= main_~j~0 6) (exists ((v_main_~j~0_20 Int)) (and (<= 10 v_main_~j~0_20) (<= v_main_~j~0_20 10) (or (and (= (+ (* v_main_~j~0_20 2) 1) (+ main_~i~0 (* main_~j~0 2))) (< (* 3 main_~j~0) (+ (* 2 v_main_~j~0_20) 1)) (<= v_main_~j~0_20 (+ main_~j~0 (div (+ v_main_~j~0_20 (- 1)) 3) 1)) (< main_~j~0 v_main_~j~0_20)) (and (= v_main_~j~0_20 main_~j~0) (= main_~i~0 1)))))) [2021-05-01 07:11:05,316 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 24 34) the Hoare annotation is: true [2021-05-01 07:11:05,317 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 24 34) the Hoare annotation is: true [2021-05-01 07:11:05,317 INFO L201 CegarLoopUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2021-05-01 07:11:05,317 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 17 22) the Hoare annotation is: true [2021-05-01 07:11:05,317 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2021-05-01 07:11:05,317 INFO L194 CegarLoopUtils]: At program point L19(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-05-01 07:11:05,317 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-05-01 07:11:05,317 INFO L194 CegarLoopUtils]: At program point L18(lines 18 20) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-05-01 07:11:05,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 07:11:05 BoogieIcfgContainer [2021-05-01 07:11:05,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-01 07:11:05,350 INFO L168 Benchmark]: Toolchain (without parser) took 3146.20 ms. Allocated memory was 176.2 MB in the beginning and 219.2 MB in the end (delta: 43.0 MB). Free memory was 140.5 MB in the beginning and 174.4 MB in the end (delta: -33.9 MB). Peak memory consumption was 82.5 MB. Max. memory is 8.0 GB. [2021-05-01 07:11:05,351 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 176.2 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-01 07:11:05,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.86 ms. Allocated memory is still 176.2 MB. Free memory was 140.2 MB in the beginning and 159.7 MB in the end (delta: -19.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. [2021-05-01 07:11:05,353 INFO L168 Benchmark]: Boogie Preprocessor took 59.17 ms. Allocated memory is still 176.2 MB. Free memory was 159.7 MB in the beginning and 160.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-05-01 07:11:05,354 INFO L168 Benchmark]: RCFGBuilder took 252.32 ms. Allocated memory is still 176.2 MB. Free memory was 160.9 MB in the beginning and 146.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-05-01 07:11:05,354 INFO L168 Benchmark]: TraceAbstraction took 2644.20 ms. Allocated memory was 176.2 MB in the beginning and 219.2 MB in the end (delta: 43.0 MB). Free memory was 146.2 MB in the beginning and 174.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 87.8 MB. Max. memory is 8.0 GB. [2021-05-01 07:11:05,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 176.2 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 183.86 ms. Allocated memory is still 176.2 MB. Free memory was 140.2 MB in the beginning and 159.7 MB in the end (delta: -19.6 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.17 ms. Allocated memory is still 176.2 MB. Free memory was 159.7 MB in the beginning and 160.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 252.32 ms. Allocated memory is still 176.2 MB. Free memory was 160.9 MB in the beginning and 146.7 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2644.20 ms. Allocated memory was 176.2 MB in the beginning and 219.2 MB in the end (delta: 43.0 MB). Free memory was 146.2 MB in the beginning and 174.4 MB in the end (delta: -28.2 MB). Peak memory consumption was 87.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2269.4ms, OverallIterations: 4, TraceHistogramMax: 3, EmptinessCheckTime: 9.2ms, AutomataDifference: 851.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 299.4ms, InitialAbstractionConstructionTime: 6.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 42 SDtfs, 28 SDslu, 103 SDs, 0 SdLazy, 170 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 200.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 873.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 30.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 19 LocationsWithAnnotation, 43 PreInvPairs, 62 NumberOfFragments, 329 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 50.2ms HoareSimplificationTime, 19 FomulaSimplificationsInter, 679 FormulaSimplificationTreeSizeReductionInter, 239.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant [2021-05-01 07:11:05,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,365 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,366 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,367 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,368 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,369 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_11,QUANTIFIED] [2021-05-01 07:11:05,370 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] [2021-05-01 07:11:05,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~j~0_20,QUANTIFIED] Derived loop invariant: (((\exists v_main_~j~0_11 : int :: (((v_main_~j~0_11 == j && i == 1) || ((v_main_~j~0_11 * 2 + 1 == i + j * 2 && v_main_~j~0_11 <= j + (v_main_~j~0_11 + -1) / 3 + 1) && 3 * j < 2 * v_main_~j~0_11 + 1)) && v_main_~j~0_11 <= 10) && 10 <= v_main_~j~0_11) || (i <= j + 3 && (\exists v_main_~j~0_20 : int :: (10 <= v_main_~j~0_20 && ((((j + 2 < v_main_~j~0_20 && v_main_~j~0_20 * 2 + 1 == i + j * 2) && v_main_~j~0_20 <= j + (v_main_~j~0_20 + -1) / 3 + 3) && 3 * j + 5 < 2 * v_main_~j~0_20) || (5 == i && v_main_~j~0_20 == j + 2))) && v_main_~j~0_20 <= 10))) || ((\exists v_main_~j~0_11 : int :: (((v_main_~j~0_11 == j + 1 && i == 3) || ((v_main_~j~0_11 <= j + (v_main_~j~0_11 + -1) / 3 + 2 && v_main_~j~0_11 * 2 + 1 == i + j * 2) && 3 * j + 2 < 2 * v_main_~j~0_11)) && v_main_~j~0_11 <= 10) && 10 <= v_main_~j~0_11) && i <= j + 3)) || ((\exists v_main_~j~0_20 : int :: (((((3 * j + 8 < 2 * v_main_~j~0_20 && v_main_~j~0_20 * 2 + 1 == i + j * 2) && j + 3 < v_main_~j~0_20) && v_main_~j~0_20 <= j + (v_main_~j~0_20 + -1) / 3 + 4) || (7 == i && v_main_~j~0_20 == j + 3)) && 10 <= v_main_~j~0_20) && v_main_~j~0_20 <= 10) && i <= j + 3) - ProcedureContractResult [Line: 24]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 RESULT: Ultimate proved your program to be correct! Received shutdown request...