/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 04:42:47,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 04:42:47,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 04:42:47,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 04:42:47,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 04:42:47,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 04:42:47,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 04:42:47,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 04:42:47,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 04:42:47,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 04:42:47,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 04:42:47,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 04:42:47,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 04:42:47,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 04:42:47,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 04:42:47,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 04:42:47,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 04:42:47,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 04:42:47,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 04:42:47,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 04:42:47,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 04:42:47,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 04:42:47,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 04:42:47,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 04:42:47,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 04:42:47,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 04:42:47,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 04:42:47,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 04:42:47,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 04:42:47,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 04:42:47,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 04:42:47,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 04:42:47,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 04:42:47,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 04:42:47,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 04:42:47,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 04:42:47,488 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 04:42:47,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 04:42:47,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 04:42:47,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:42:47,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 04:42:47,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 04:42:47,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 04:42:47,490 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 04:42:47,490 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 04:42:47,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 04:42:47,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 04:42:47,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 04:42:47,962 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 04:42:47,967 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 04:42:47,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_math_1.c [2021-02-24 04:42:48,067 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/288d9d133/5108b60817824913b9eb084921539202/FLAG84e434910 [2021-02-24 04:42:48,773 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 04:42:48,773 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c [2021-02-24 04:42:48,789 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/288d9d133/5108b60817824913b9eb084921539202/FLAG84e434910 [2021-02-24 04:42:49,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/288d9d133/5108b60817824913b9eb084921539202 [2021-02-24 04:42:49,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 04:42:49,097 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 04:42:49,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 04:42:49,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 04:42:49,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 04:42:49,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:42:49" (1/1) ... [2021-02-24 04:42:49,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebe4a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49, skipping insertion in model container [2021-02-24 04:42:49,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:42:49" (1/1) ... [2021-02-24 04:42:49,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 04:42:49,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 04:42:49,407 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c[11705,11718] [2021-02-24 04:42:49,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:42:49,423 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 04:42:49,495 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c[11705,11718] [2021-02-24 04:42:49,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 04:42:49,531 INFO L208 MainTranslator]: Completed translation [2021-02-24 04:42:49,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49 WrapperNode [2021-02-24 04:42:49,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 04:42:49,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 04:42:49,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 04:42:49,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 04:42:49,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49" (1/1) ... [2021-02-24 04:42:49,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49" (1/1) ... [2021-02-24 04:42:49,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49" (1/1) ... [2021-02-24 04:42:49,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49" (1/1) ... [2021-02-24 04:42:49,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49" (1/1) ... [2021-02-24 04:42:49,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49" (1/1) ... [2021-02-24 04:42:49,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49" (1/1) ... [2021-02-24 04:42:49,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 04:42:49,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 04:42:49,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 04:42:49,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 04:42:49,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 04:42:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 04:42:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 04:42:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 04:42:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 04:42:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 04:42:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 04:42:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 04:42:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 04:42:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 04:42:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 04:42:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 04:42:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 04:42:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 04:42:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 04:42:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 04:42:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 04:42:50,594 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 04:42:50,594 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-02-24 04:42:50,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:42:50 BoogieIcfgContainer [2021-02-24 04:42:50,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 04:42:50,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 04:42:50,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 04:42:50,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 04:42:50,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:42:49" (1/3) ... [2021-02-24 04:42:50,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c40da3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:42:50, skipping insertion in model container [2021-02-24 04:42:50,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:42:49" (2/3) ... [2021-02-24 04:42:50,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c40da3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:42:50, skipping insertion in model container [2021-02-24 04:42:50,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:42:50" (3/3) ... [2021-02-24 04:42:50,617 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2021-02-24 04:42:50,625 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 04:42:50,631 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 04:42:50,653 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 04:42:50,680 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 04:42:50,681 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 04:42:50,681 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 04:42:50,681 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 04:42:50,681 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 04:42:50,681 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 04:42:50,682 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 04:42:50,682 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 04:42:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states. [2021-02-24 04:42:50,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-02-24 04:42:50,720 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 04:42:50,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 04:42:50,721 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 04:42:50,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 04:42:50,730 INFO L82 PathProgramCache]: Analyzing trace with hash -144933212, now seen corresponding path program 1 times [2021-02-24 04:42:50,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 04:42:50,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751244660] [2021-02-24 04:42:50,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 04:42:50,860 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 04:42:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:42:51,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:51,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:51,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:51,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:51,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 04:42:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 04:42:51,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 04:42:51,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 04:42:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 04:42:51,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751244660] [2021-02-24 04:42:51,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 04:42:51,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 04:42:51,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994311992] [2021-02-24 04:42:51,306 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 04:42:51,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 04:42:51,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 04:42:51,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 04:42:51,330 INFO L87 Difference]: Start difference. First operand 233 states. Second operand 3 states. [2021-02-24 04:42:51,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 04:42:51,714 INFO L93 Difference]: Finished difference Result 429 states and 548 transitions. [2021-02-24 04:42:51,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 04:42:51,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-02-24 04:42:51,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 04:42:51,726 INFO L225 Difference]: With dead ends: 429 [2021-02-24 04:42:51,727 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 04:42:51,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 04:42:51,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 04:42:51,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 04:42:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 04:42:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 04:42:51,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2021-02-24 04:42:51,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 04:42:51,773 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 04:42:51,773 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 04:42:51,773 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 04:42:51,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 04:42:51,774 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 04:42:51,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 04:42:53,449 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2021-02-24 04:42:53,449 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 4) no Hoare annotation was computed. [2021-02-24 04:42:53,450 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2021-02-24 04:42:53,450 INFO L192 CegarLoopUtils]: At program point L4-3(line 4) the Hoare annotation is: true [2021-02-24 04:42:53,450 INFO L192 CegarLoopUtils]: At program point L4-4(line 4) the Hoare annotation is: true [2021-02-24 04:42:53,450 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:42:53,450 INFO L192 CegarLoopUtils]: At program point L4-5(line 4) the Hoare annotation is: true [2021-02-24 04:42:53,451 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-24 04:42:53,451 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-24 04:42:53,451 INFO L192 CegarLoopUtils]: At program point L17(line 17) the Hoare annotation is: true [2021-02-24 04:42:53,451 INFO L192 CegarLoopUtils]: At program point L16(line 16) the Hoare annotation is: true [2021-02-24 04:42:53,451 INFO L192 CegarLoopUtils]: At program point L15(line 15) the Hoare annotation is: true [2021-02-24 04:42:53,451 INFO L192 CegarLoopUtils]: At program point L14(line 14) the Hoare annotation is: true [2021-02-24 04:42:53,452 INFO L192 CegarLoopUtils]: At program point L13(line 13) the Hoare annotation is: true [2021-02-24 04:42:53,452 INFO L192 CegarLoopUtils]: At program point L12(line 12) the Hoare annotation is: true [2021-02-24 04:42:53,452 INFO L192 CegarLoopUtils]: At program point L11(line 11) the Hoare annotation is: true [2021-02-24 04:42:53,452 INFO L192 CegarLoopUtils]: At program point L10(line 10) the Hoare annotation is: true [2021-02-24 04:42:53,453 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~m_IntMath~0 |old(~m_IntMath~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~m_mod_2~0 |old(~m_mod_2~0)|) (= ~m_factorial_2~0 |old(~m_factorial_2~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~m_isPowerOfTwo~0 |old(~m_isPowerOfTwo~0)|) (= ~m_checkedMultiply~0 |old(~m_checkedMultiply~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~m_checkedAdd~0 |old(~m_checkedAdd~0)|) (= ~m_checkedSubtract~0 |old(~m_checkedSubtract~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~m_mod_1~0 |old(~m_mod_1~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~m_log2~0 |old(~m_log2~0)|) (= ~m_factorial_1~0 |old(~m_factorial_1~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~m_log10~0 |old(~m_log10~0)|)) [2021-02-24 04:42:53,453 INFO L192 CegarLoopUtils]: At program point L9(line 9) the Hoare annotation is: true [2021-02-24 04:42:53,453 INFO L192 CegarLoopUtils]: At program point L8(line 8) the Hoare annotation is: true [2021-02-24 04:42:53,453 INFO L192 CegarLoopUtils]: At program point L4(line 4) the Hoare annotation is: true [2021-02-24 04:42:53,453 INFO L192 CegarLoopUtils]: At program point L4-1(line 4) the Hoare annotation is: true [2021-02-24 04:42:53,454 INFO L192 CegarLoopUtils]: At program point L4-2(line 4) the Hoare annotation is: true [2021-02-24 04:42:53,454 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:42:53,454 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:42:53,454 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:42:53,454 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-24 04:42:53,454 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-24 04:42:53,455 INFO L192 CegarLoopUtils]: At program point L35-2(line 35) the Hoare annotation is: true [2021-02-24 04:42:53,455 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 20 363) the Hoare annotation is: true [2021-02-24 04:42:53,455 INFO L192 CegarLoopUtils]: At program point L333(line 333) the Hoare annotation is: true [2021-02-24 04:42:53,455 INFO L192 CegarLoopUtils]: At program point L267(lines 267 269) the Hoare annotation is: true [2021-02-24 04:42:53,455 INFO L192 CegarLoopUtils]: At program point L201(lines 201 212) the Hoare annotation is: true [2021-02-24 04:42:53,455 INFO L192 CegarLoopUtils]: At program point L36(line 36) the Hoare annotation is: true [2021-02-24 04:42:53,456 INFO L192 CegarLoopUtils]: At program point L36-1(line 36) the Hoare annotation is: true [2021-02-24 04:42:53,456 INFO L192 CegarLoopUtils]: At program point L36-2(line 36) the Hoare annotation is: true [2021-02-24 04:42:53,456 INFO L192 CegarLoopUtils]: At program point L301(line 301) the Hoare annotation is: true [2021-02-24 04:42:53,456 INFO L192 CegarLoopUtils]: At program point L169(line 169) the Hoare annotation is: true [2021-02-24 04:42:53,456 INFO L192 CegarLoopUtils]: At program point L169-1(lines 169 183) the Hoare annotation is: true [2021-02-24 04:42:53,456 INFO L192 CegarLoopUtils]: At program point L103(line 103) the Hoare annotation is: true [2021-02-24 04:42:53,457 INFO L192 CegarLoopUtils]: At program point L169-2(line 169) the Hoare annotation is: true [2021-02-24 04:42:53,457 INFO L192 CegarLoopUtils]: At program point L70(lines 70 137) the Hoare annotation is: true [2021-02-24 04:42:53,457 INFO L192 CegarLoopUtils]: At program point L103-1(lines 103 118) the Hoare annotation is: true [2021-02-24 04:42:53,457 INFO L192 CegarLoopUtils]: At program point L169-3(line 169) the Hoare annotation is: true [2021-02-24 04:42:53,457 INFO L192 CegarLoopUtils]: At program point L37(line 37) the Hoare annotation is: true [2021-02-24 04:42:53,457 INFO L192 CegarLoopUtils]: At program point L103-2(line 103) the Hoare annotation is: true [2021-02-24 04:42:53,458 INFO L192 CegarLoopUtils]: At program point L37-1(line 37) the Hoare annotation is: true [2021-02-24 04:42:53,458 INFO L192 CegarLoopUtils]: At program point L103-3(line 103) the Hoare annotation is: true [2021-02-24 04:42:53,458 INFO L192 CegarLoopUtils]: At program point L37-2(line 37) the Hoare annotation is: true [2021-02-24 04:42:53,458 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 20 363) the Hoare annotation is: true [2021-02-24 04:42:53,458 INFO L192 CegarLoopUtils]: At program point L236(lines 236 238) the Hoare annotation is: true [2021-02-24 04:42:53,458 INFO L192 CegarLoopUtils]: At program point L71(line 71) the Hoare annotation is: true [2021-02-24 04:42:53,459 INFO L192 CegarLoopUtils]: At program point L38(line 38) the Hoare annotation is: true [2021-02-24 04:42:53,459 INFO L192 CegarLoopUtils]: At program point L71-1(lines 71 86) the Hoare annotation is: true [2021-02-24 04:42:53,459 INFO L192 CegarLoopUtils]: At program point L38-1(line 38) the Hoare annotation is: true [2021-02-24 04:42:53,459 INFO L192 CegarLoopUtils]: At program point L71-2(line 71) the Hoare annotation is: true [2021-02-24 04:42:53,459 INFO L192 CegarLoopUtils]: At program point L38-2(line 38) the Hoare annotation is: true [2021-02-24 04:42:53,459 INFO L192 CegarLoopUtils]: At program point L71-3(line 71) the Hoare annotation is: true [2021-02-24 04:42:53,460 INFO L192 CegarLoopUtils]: At program point L171(lines 171 181) the Hoare annotation is: true [2021-02-24 04:42:53,460 INFO L192 CegarLoopUtils]: At program point L138(lines 138 355) the Hoare annotation is: true [2021-02-24 04:42:53,460 INFO L192 CegarLoopUtils]: At program point L105(lines 105 116) the Hoare annotation is: true [2021-02-24 04:42:53,460 INFO L192 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: true [2021-02-24 04:42:53,460 INFO L192 CegarLoopUtils]: At program point L39-1(line 39) the Hoare annotation is: true [2021-02-24 04:42:53,460 INFO L192 CegarLoopUtils]: At program point L39-2(line 39) the Hoare annotation is: true [2021-02-24 04:42:53,461 INFO L192 CegarLoopUtils]: At program point L271(line 271) the Hoare annotation is: true [2021-02-24 04:42:53,461 INFO L192 CegarLoopUtils]: At program point L205(lines 205 207) the Hoare annotation is: true [2021-02-24 04:42:53,461 INFO L192 CegarLoopUtils]: At program point L139(line 139) the Hoare annotation is: true [2021-02-24 04:42:53,461 INFO L192 CegarLoopUtils]: At program point L139-1(lines 139 153) the Hoare annotation is: true [2021-02-24 04:42:53,461 INFO L192 CegarLoopUtils]: At program point L73(lines 73 84) the Hoare annotation is: true [2021-02-24 04:42:53,461 INFO L192 CegarLoopUtils]: At program point L139-2(line 139) the Hoare annotation is: true [2021-02-24 04:42:53,461 INFO L192 CegarLoopUtils]: At program point L40(line 40) the Hoare annotation is: true [2021-02-24 04:42:53,462 INFO L192 CegarLoopUtils]: At program point L139-3(line 139) the Hoare annotation is: true [2021-02-24 04:42:53,462 INFO L192 CegarLoopUtils]: At program point L40-1(line 40) the Hoare annotation is: true [2021-02-24 04:42:53,462 INFO L192 CegarLoopUtils]: At program point L40-2(line 40) the Hoare annotation is: true [2021-02-24 04:42:53,462 INFO L192 CegarLoopUtils]: At program point L338(line 338) the Hoare annotation is: true [2021-02-24 04:42:53,462 INFO L192 CegarLoopUtils]: At program point L338-1(lines 338 352) the Hoare annotation is: true [2021-02-24 04:42:53,462 INFO L192 CegarLoopUtils]: At program point L338-2(line 338) the Hoare annotation is: true [2021-02-24 04:42:53,463 INFO L192 CegarLoopUtils]: At program point L338-3(line 338) the Hoare annotation is: true [2021-02-24 04:42:53,463 INFO L185 CegarLoopUtils]: At program point L173(line 173) the Hoare annotation is: false [2021-02-24 04:42:53,463 INFO L192 CegarLoopUtils]: At program point L107(line 107) the Hoare annotation is: true [2021-02-24 04:42:53,463 INFO L192 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: true [2021-02-24 04:42:53,463 INFO L192 CegarLoopUtils]: At program point L41-1(line 41) the Hoare annotation is: true [2021-02-24 04:42:53,463 INFO L192 CegarLoopUtils]: At program point L41-2(line 41) the Hoare annotation is: true [2021-02-24 04:42:53,463 INFO L192 CegarLoopUtils]: At program point L240(line 240) the Hoare annotation is: true [2021-02-24 04:42:53,464 INFO L192 CegarLoopUtils]: At program point L141(lines 141 151) the Hoare annotation is: true [2021-02-24 04:42:53,464 INFO L192 CegarLoopUtils]: At program point L42(line 42) the Hoare annotation is: true [2021-02-24 04:42:53,464 INFO L192 CegarLoopUtils]: At program point L42-1(line 42) the Hoare annotation is: true [2021-02-24 04:42:53,464 INFO L192 CegarLoopUtils]: At program point L42-2(line 42) the Hoare annotation is: true [2021-02-24 04:42:53,464 INFO L192 CegarLoopUtils]: At program point L340(lines 340 350) the Hoare annotation is: true [2021-02-24 04:42:53,464 INFO L192 CegarLoopUtils]: At program point L307(line 307) the Hoare annotation is: true [2021-02-24 04:42:53,465 INFO L192 CegarLoopUtils]: At program point L307-1(lines 307 322) the Hoare annotation is: true [2021-02-24 04:42:53,465 INFO L192 CegarLoopUtils]: At program point L307-2(line 307) the Hoare annotation is: true [2021-02-24 04:42:53,465 INFO L192 CegarLoopUtils]: At program point L307-3(line 307) the Hoare annotation is: true [2021-02-24 04:42:53,465 INFO L185 CegarLoopUtils]: At program point L175(lines 175 177) the Hoare annotation is: false [2021-02-24 04:42:53,465 INFO L192 CegarLoopUtils]: At program point L109(lines 109 111) the Hoare annotation is: true [2021-02-24 04:42:53,465 INFO L192 CegarLoopUtils]: At program point L43(line 43) the Hoare annotation is: true [2021-02-24 04:42:53,466 INFO L192 CegarLoopUtils]: At program point L43-1(line 43) the Hoare annotation is: true [2021-02-24 04:42:53,466 INFO L192 CegarLoopUtils]: At program point L43-2(line 43) the Hoare annotation is: true [2021-02-24 04:42:53,466 INFO L192 CegarLoopUtils]: At program point L209(line 209) the Hoare annotation is: true [2021-02-24 04:42:53,466 INFO L192 CegarLoopUtils]: At program point L143(line 143) the Hoare annotation is: true [2021-02-24 04:42:53,466 INFO L192 CegarLoopUtils]: At program point L77(lines 77 79) the Hoare annotation is: true [2021-02-24 04:42:53,466 INFO L192 CegarLoopUtils]: At program point L44(line 44) the Hoare annotation is: true [2021-02-24 04:42:53,466 INFO L192 CegarLoopUtils]: At program point L44-1(line 44) the Hoare annotation is: true [2021-02-24 04:42:53,467 INFO L192 CegarLoopUtils]: At program point L44-2(line 44) the Hoare annotation is: true [2021-02-24 04:42:53,467 INFO L185 CegarLoopUtils]: At program point L342(line 342) the Hoare annotation is: false [2021-02-24 04:42:53,467 INFO L192 CegarLoopUtils]: At program point L309(lines 309 320) the Hoare annotation is: true [2021-02-24 04:42:53,467 INFO L192 CegarLoopUtils]: At program point L276(line 276) the Hoare annotation is: true [2021-02-24 04:42:53,467 INFO L192 CegarLoopUtils]: At program point L276-1(lines 276 290) the Hoare annotation is: true [2021-02-24 04:42:53,467 INFO L192 CegarLoopUtils]: At program point L276-2(line 276) the Hoare annotation is: true [2021-02-24 04:42:53,467 INFO L192 CegarLoopUtils]: At program point L276-3(line 276) the Hoare annotation is: true [2021-02-24 04:42:53,468 INFO L192 CegarLoopUtils]: At program point L45(line 45) the Hoare annotation is: true [2021-02-24 04:42:53,468 INFO L192 CegarLoopUtils]: At program point L45-1(line 45) the Hoare annotation is: true [2021-02-24 04:42:53,468 INFO L192 CegarLoopUtils]: At program point L45-2(line 45) the Hoare annotation is: true [2021-02-24 04:42:53,468 INFO L192 CegarLoopUtils]: At program point L145(lines 145 147) the Hoare annotation is: true [2021-02-24 04:42:53,468 INFO L192 CegarLoopUtils]: At program point L46(line 46) the Hoare annotation is: true [2021-02-24 04:42:53,468 INFO L192 CegarLoopUtils]: At program point L46-1(line 46) the Hoare annotation is: true [2021-02-24 04:42:53,469 INFO L192 CegarLoopUtils]: At program point L46-2(line 46) the Hoare annotation is: true [2021-02-24 04:42:53,469 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 362) the Hoare annotation is: false [2021-02-24 04:42:53,469 INFO L185 CegarLoopUtils]: At program point L344(lines 344 346) the Hoare annotation is: false [2021-02-24 04:42:53,469 INFO L192 CegarLoopUtils]: At program point L311(line 311) the Hoare annotation is: true [2021-02-24 04:42:53,469 INFO L192 CegarLoopUtils]: At program point L278(lines 278 288) the Hoare annotation is: true [2021-02-24 04:42:53,469 INFO L192 CegarLoopUtils]: At program point L245(line 245) the Hoare annotation is: true [2021-02-24 04:42:53,470 INFO L192 CegarLoopUtils]: At program point L245-1(lines 245 260) the Hoare annotation is: true [2021-02-24 04:42:53,470 INFO L185 CegarLoopUtils]: At program point L179(line 179) the Hoare annotation is: false [2021-02-24 04:42:53,470 INFO L192 CegarLoopUtils]: At program point L245-2(line 245) the Hoare annotation is: true [2021-02-24 04:42:53,470 INFO L192 CegarLoopUtils]: At program point L245-3(line 245) the Hoare annotation is: true [2021-02-24 04:42:53,470 INFO L192 CegarLoopUtils]: At program point L113(line 113) the Hoare annotation is: true [2021-02-24 04:42:53,470 INFO L192 CegarLoopUtils]: At program point L47(line 47) the Hoare annotation is: true [2021-02-24 04:42:53,471 INFO L192 CegarLoopUtils]: At program point L47-1(line 47) the Hoare annotation is: true [2021-02-24 04:42:53,471 INFO L192 CegarLoopUtils]: At program point L47-2(line 47) the Hoare annotation is: true [2021-02-24 04:42:53,471 INFO L185 CegarLoopUtils]: At program point L345(lines 20 363) the Hoare annotation is: false [2021-02-24 04:42:53,471 INFO L192 CegarLoopUtils]: At program point L81(line 81) the Hoare annotation is: true [2021-02-24 04:42:53,471 INFO L192 CegarLoopUtils]: At program point L313(lines 313 315) the Hoare annotation is: true [2021-02-24 04:42:53,471 INFO L192 CegarLoopUtils]: At program point L280(line 280) the Hoare annotation is: true [2021-02-24 04:42:53,472 INFO L192 CegarLoopUtils]: At program point L247(lines 247 258) the Hoare annotation is: true [2021-02-24 04:42:53,472 INFO L192 CegarLoopUtils]: At program point L215(line 215) the Hoare annotation is: true [2021-02-24 04:42:53,472 INFO L192 CegarLoopUtils]: At program point L215-1(lines 215 229) the Hoare annotation is: true [2021-02-24 04:42:53,472 INFO L192 CegarLoopUtils]: At program point L149(line 149) the Hoare annotation is: true [2021-02-24 04:42:53,472 INFO L192 CegarLoopUtils]: At program point L215-2(line 215) the Hoare annotation is: true [2021-02-24 04:42:53,472 INFO L192 CegarLoopUtils]: At program point L215-3(line 215) the Hoare annotation is: true [2021-02-24 04:42:53,472 INFO L185 CegarLoopUtils]: At program point L348(line 348) the Hoare annotation is: false [2021-02-24 04:42:53,473 INFO L192 CegarLoopUtils]: At program point L282(lines 282 284) the Hoare annotation is: true [2021-02-24 04:42:53,473 INFO L192 CegarLoopUtils]: At program point L51(lines 51 69) the Hoare annotation is: true [2021-02-24 04:42:53,473 INFO L192 CegarLoopUtils]: At program point L217(lines 217 227) the Hoare annotation is: true [2021-02-24 04:42:53,473 INFO L192 CegarLoopUtils]: At program point L184(line 184) the Hoare annotation is: true [2021-02-24 04:42:53,473 INFO L192 CegarLoopUtils]: At program point L184-1(lines 184 198) the Hoare annotation is: true [2021-02-24 04:42:53,473 INFO L192 CegarLoopUtils]: At program point L184-2(line 184) the Hoare annotation is: true [2021-02-24 04:42:53,474 INFO L192 CegarLoopUtils]: At program point L184-3(line 184) the Hoare annotation is: true [2021-02-24 04:42:53,474 INFO L192 CegarLoopUtils]: At program point L52(line 52) the Hoare annotation is: true [2021-02-24 04:42:53,474 INFO L192 CegarLoopUtils]: At program point L52-1(lines 52 66) the Hoare annotation is: true [2021-02-24 04:42:53,474 INFO L192 CegarLoopUtils]: At program point L52-2(line 52) the Hoare annotation is: true [2021-02-24 04:42:53,474 INFO L192 CegarLoopUtils]: At program point L52-3(line 52) the Hoare annotation is: true [2021-02-24 04:42:53,474 INFO L192 CegarLoopUtils]: At program point L317(line 317) the Hoare annotation is: true [2021-02-24 04:42:53,475 INFO L192 CegarLoopUtils]: At program point L251(lines 251 253) the Hoare annotation is: true [2021-02-24 04:42:53,475 INFO L192 CegarLoopUtils]: At program point L119(line 119) the Hoare annotation is: true [2021-02-24 04:42:53,475 INFO L192 CegarLoopUtils]: At program point L119-1(lines 119 134) the Hoare annotation is: true [2021-02-24 04:42:53,475 INFO L192 CegarLoopUtils]: At program point L119-2(line 119) the Hoare annotation is: true [2021-02-24 04:42:53,475 INFO L192 CegarLoopUtils]: At program point L119-3(line 119) the Hoare annotation is: true [2021-02-24 04:42:53,475 INFO L192 CegarLoopUtils]: At program point L186(lines 186 196) the Hoare annotation is: true [2021-02-24 04:42:53,475 INFO L192 CegarLoopUtils]: At program point L87(line 87) the Hoare annotation is: true [2021-02-24 04:42:53,475 INFO L192 CegarLoopUtils]: At program point L54(lines 54 64) the Hoare annotation is: true [2021-02-24 04:42:53,476 INFO L192 CegarLoopUtils]: At program point L87-1(lines 87 102) the Hoare annotation is: true [2021-02-24 04:42:53,476 INFO L192 CegarLoopUtils]: At program point L87-2(line 87) the Hoare annotation is: true [2021-02-24 04:42:53,476 INFO L192 CegarLoopUtils]: At program point L87-3(line 87) the Hoare annotation is: true [2021-02-24 04:42:53,476 INFO L192 CegarLoopUtils]: At program point L286(line 286) the Hoare annotation is: true [2021-02-24 04:42:53,476 INFO L192 CegarLoopUtils]: At program point L154(line 154) the Hoare annotation is: true [2021-02-24 04:42:53,476 INFO L192 CegarLoopUtils]: At program point L121(lines 121 132) the Hoare annotation is: true [2021-02-24 04:42:53,476 INFO L192 CegarLoopUtils]: At program point L154-1(lines 154 168) the Hoare annotation is: true [2021-02-24 04:42:53,477 INFO L192 CegarLoopUtils]: At program point L154-2(line 154) the Hoare annotation is: true [2021-02-24 04:42:53,477 INFO L192 CegarLoopUtils]: At program point L154-3(line 154) the Hoare annotation is: true [2021-02-24 04:42:53,477 INFO L192 CegarLoopUtils]: At program point L221(lines 221 223) the Hoare annotation is: true [2021-02-24 04:42:53,477 INFO L185 CegarLoopUtils]: At program point L188(line 188) the Hoare annotation is: false [2021-02-24 04:42:53,477 INFO L192 CegarLoopUtils]: At program point L89(lines 89 100) the Hoare annotation is: true [2021-02-24 04:42:53,477 INFO L192 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: true [2021-02-24 04:42:53,477 INFO L192 CegarLoopUtils]: At program point L354(lines 28 358) the Hoare annotation is: true [2021-02-24 04:42:53,478 INFO L192 CegarLoopUtils]: At program point L255(line 255) the Hoare annotation is: true [2021-02-24 04:42:53,478 INFO L192 CegarLoopUtils]: At program point L156(lines 156 166) the Hoare annotation is: true [2021-02-24 04:42:53,478 INFO L192 CegarLoopUtils]: At program point L123(line 123) the Hoare annotation is: true [2021-02-24 04:42:53,478 INFO L185 CegarLoopUtils]: At program point L190(lines 190 192) the Hoare annotation is: false [2021-02-24 04:42:53,478 INFO L192 CegarLoopUtils]: At program point L58(lines 58 60) the Hoare annotation is: true [2021-02-24 04:42:53,478 INFO L192 CegarLoopUtils]: At program point L323(line 323) the Hoare annotation is: true [2021-02-24 04:42:53,478 INFO L192 CegarLoopUtils]: At program point L323-1(lines 323 337) the Hoare annotation is: true [2021-02-24 04:42:53,479 INFO L192 CegarLoopUtils]: At program point L323-2(line 323) the Hoare annotation is: true [2021-02-24 04:42:53,479 INFO L192 CegarLoopUtils]: At program point L323-3(line 323) the Hoare annotation is: true [2021-02-24 04:42:53,479 INFO L192 CegarLoopUtils]: At program point L158(line 158) the Hoare annotation is: true [2021-02-24 04:42:53,479 INFO L192 CegarLoopUtils]: At program point L125(lines 125 127) the Hoare annotation is: true [2021-02-24 04:42:53,479 INFO L192 CegarLoopUtils]: At program point L291(line 291) the Hoare annotation is: true [2021-02-24 04:42:53,479 INFO L192 CegarLoopUtils]: At program point L291-1(lines 291 306) the Hoare annotation is: true [2021-02-24 04:42:53,479 INFO L192 CegarLoopUtils]: At program point L225(line 225) the Hoare annotation is: true [2021-02-24 04:42:53,480 INFO L192 CegarLoopUtils]: At program point L291-2(line 291) the Hoare annotation is: true [2021-02-24 04:42:53,480 INFO L192 CegarLoopUtils]: At program point L291-3(line 291) the Hoare annotation is: true [2021-02-24 04:42:53,480 INFO L192 CegarLoopUtils]: At program point L93(lines 93 95) the Hoare annotation is: true [2021-02-24 04:42:53,480 INFO L192 CegarLoopUtils]: At program point L325(lines 325 335) the Hoare annotation is: true [2021-02-24 04:42:53,480 INFO L192 CegarLoopUtils]: At program point L160(lines 160 162) the Hoare annotation is: true [2021-02-24 04:42:53,480 INFO L192 CegarLoopUtils]: At program point L28-2(lines 28 358) the Hoare annotation is: true [2021-02-24 04:42:53,480 INFO L192 CegarLoopUtils]: At program point L28-3(lines 28 358) the Hoare annotation is: true [2021-02-24 04:42:53,481 INFO L192 CegarLoopUtils]: At program point L293(lines 293 304) the Hoare annotation is: true [2021-02-24 04:42:53,481 INFO L185 CegarLoopUtils]: At program point L194(line 194) the Hoare annotation is: false [2021-02-24 04:42:53,481 INFO L192 CegarLoopUtils]: At program point L62(line 62) the Hoare annotation is: true [2021-02-24 04:42:53,481 INFO L192 CegarLoopUtils]: At program point L327(line 327) the Hoare annotation is: true [2021-02-24 04:42:53,481 INFO L192 CegarLoopUtils]: At program point L261(line 261) the Hoare annotation is: true [2021-02-24 04:42:53,481 INFO L192 CegarLoopUtils]: At program point L261-1(lines 261 275) the Hoare annotation is: true [2021-02-24 04:42:53,481 INFO L192 CegarLoopUtils]: At program point L261-2(line 261) the Hoare annotation is: true [2021-02-24 04:42:53,482 INFO L192 CegarLoopUtils]: At program point L261-3(line 261) the Hoare annotation is: true [2021-02-24 04:42:53,482 INFO L192 CegarLoopUtils]: At program point L129(line 129) the Hoare annotation is: true [2021-02-24 04:42:53,482 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 20 363) the Hoare annotation is: true [2021-02-24 04:42:53,482 INFO L192 CegarLoopUtils]: At program point L295(line 295) the Hoare annotation is: true [2021-02-24 04:42:53,482 INFO L192 CegarLoopUtils]: At program point L97(line 97) the Hoare annotation is: true [2021-02-24 04:42:53,482 INFO L192 CegarLoopUtils]: At program point L31(line 31) the Hoare annotation is: true [2021-02-24 04:42:53,482 INFO L192 CegarLoopUtils]: At program point L31-1(line 31) the Hoare annotation is: true [2021-02-24 04:42:53,483 INFO L192 CegarLoopUtils]: At program point L31-2(line 31) the Hoare annotation is: true [2021-02-24 04:42:53,483 INFO L185 CegarLoopUtils]: At program point L362(line 362) the Hoare annotation is: false [2021-02-24 04:42:53,483 INFO L192 CegarLoopUtils]: At program point L329(lines 329 331) the Hoare annotation is: true [2021-02-24 04:42:53,483 INFO L192 CegarLoopUtils]: At program point L263(lines 263 273) the Hoare annotation is: true [2021-02-24 04:42:53,483 INFO L192 CegarLoopUtils]: At program point L230(line 230) the Hoare annotation is: true [2021-02-24 04:42:53,483 INFO L192 CegarLoopUtils]: At program point L230-1(lines 230 244) the Hoare annotation is: true [2021-02-24 04:42:53,483 INFO L192 CegarLoopUtils]: At program point L164(line 164) the Hoare annotation is: true [2021-02-24 04:42:53,484 INFO L192 CegarLoopUtils]: At program point L230-2(line 230) the Hoare annotation is: true [2021-02-24 04:42:53,484 INFO L192 CegarLoopUtils]: At program point L230-3(line 230) the Hoare annotation is: true [2021-02-24 04:42:53,484 INFO L192 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-02-24 04:42:53,496 INFO L192 CegarLoopUtils]: At program point L32-1(line 32) the Hoare annotation is: true [2021-02-24 04:42:53,497 INFO L192 CegarLoopUtils]: At program point L32-2(line 32) the Hoare annotation is: true [2021-02-24 04:42:53,497 INFO L192 CegarLoopUtils]: At program point L297(lines 297 299) the Hoare annotation is: true [2021-02-24 04:42:53,497 INFO L192 CegarLoopUtils]: At program point L33(line 33) the Hoare annotation is: true [2021-02-24 04:42:53,497 INFO L192 CegarLoopUtils]: At program point L33-1(line 33) the Hoare annotation is: true [2021-02-24 04:42:53,497 INFO L192 CegarLoopUtils]: At program point L33-2(line 33) the Hoare annotation is: true [2021-02-24 04:42:53,497 INFO L192 CegarLoopUtils]: At program point L232(lines 232 242) the Hoare annotation is: true [2021-02-24 04:42:53,497 INFO L192 CegarLoopUtils]: At program point L199(line 199) the Hoare annotation is: true [2021-02-24 04:42:53,498 INFO L192 CegarLoopUtils]: At program point L199-1(lines 199 214) the Hoare annotation is: true [2021-02-24 04:42:53,498 INFO L192 CegarLoopUtils]: At program point L199-2(line 199) the Hoare annotation is: true [2021-02-24 04:42:53,498 INFO L192 CegarLoopUtils]: At program point L199-3(line 199) the Hoare annotation is: true [2021-02-24 04:42:53,498 INFO L192 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: true [2021-02-24 04:42:53,498 INFO L192 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2021-02-24 04:42:53,498 INFO L192 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: true [2021-02-24 04:42:53,498 INFO L192 CegarLoopUtils]: At program point L35(line 35) the Hoare annotation is: true [2021-02-24 04:42:53,499 INFO L192 CegarLoopUtils]: At program point L35-1(line 35) the Hoare annotation is: true [2021-02-24 04:42:53,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:42:53 BoogieIcfgContainer [2021-02-24 04:42:53,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:42:53,515 INFO L168 Benchmark]: Toolchain (without parser) took 4430.30 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 127.3 MB in the beginning and 160.2 MB in the end (delta: -32.9 MB). Peak memory consumption was 100.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:53,516 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 117.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:42:53,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.24 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 114.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:53,517 INFO L168 Benchmark]: Boogie Preprocessor took 99.58 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 112.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:53,518 INFO L168 Benchmark]: RCFGBuilder took 967.49 ms. Allocated memory is still 151.0 MB. Free memory was 111.9 MB in the beginning and 101.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:53,519 INFO L168 Benchmark]: TraceAbstraction took 2907.67 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 101.6 MB in the beginning and 160.2 MB in the end (delta: -58.6 MB). Peak memory consumption was 75.1 MB. Max. memory is 8.0 GB. [2021-02-24 04:42:53,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 125.2 MB in the end (delta: 117.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 429.24 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 114.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 99.58 ms. Allocated memory is still 151.0 MB. Free memory was 114.2 MB in the beginning and 112.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 967.49 ms. Allocated memory is still 151.0 MB. Free memory was 111.9 MB in the beginning and 101.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 13.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2907.67 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 101.6 MB in the beginning and 160.2 MB in the end (delta: -58.6 MB). Peak memory consumption was 75.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 362]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 20]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 250 SDtfs, 225 SDslu, 4 SDs, 0 SdLazy, 19 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=233occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 233 LocationsWithAnnotation, 233 PreInvPairs, 429 NumberOfFragments, 296 HoareAnnotationTreeSize, 233 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 233 FomulaSimplificationsInter, 12348 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...