/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:38:44,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:38:44,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:38:44,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:38:45,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:38:45,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:38:45,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:38:45,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:38:45,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:38:45,087 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:38:45,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:38:45,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:38:45,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:38:45,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:38:45,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:38:45,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:38:45,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:38:45,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:38:45,090 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:38:45,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:38:45,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:38:45,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:38:45,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:38:45,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:38:45,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:38:45,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:38:45,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:38:45,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:38:45,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:38:45,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:38:45,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:38:45,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:38:45,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:38:45,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:38:45,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:38:45,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:38:45,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:38:45,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:38:45,611 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:38:45,612 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:38:45,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_math_1.c [2020-10-23 18:38:45,704 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/995443325/4d4e3cbdf89e4ed2a6d7560d41a228ef/FLAG5f6edd18e [2020-10-23 18:38:46,461 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:38:46,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_math_1.c [2020-10-23 18:38:46,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/995443325/4d4e3cbdf89e4ed2a6d7560d41a228ef/FLAG5f6edd18e [2020-10-23 18:38:46,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/995443325/4d4e3cbdf89e4ed2a6d7560d41a228ef [2020-10-23 18:38:46,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:38:46,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:38:46,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:38:46,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:38:46,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:38:46,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:46" (1/1) ... [2020-10-23 18:38:46,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f45ab26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:46, skipping insertion in model container [2020-10-23 18:38:46,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:38:46" (1/1) ... [2020-10-23 18:38:46,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:38:46,915 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:38:47,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:38:47,215 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:38:47,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:38:47,305 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:38:47,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47 WrapperNode [2020-10-23 18:38:47,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:38:47,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:38:47,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:38:47,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:38:47,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47" (1/1) ... [2020-10-23 18:38:47,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47" (1/1) ... [2020-10-23 18:38:47,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47" (1/1) ... [2020-10-23 18:38:47,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47" (1/1) ... [2020-10-23 18:38:47,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47" (1/1) ... [2020-10-23 18:38:47,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47" (1/1) ... [2020-10-23 18:38:47,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47" (1/1) ... [2020-10-23 18:38:47,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:38:47,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:38:47,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:38:47,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:38:47,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47" (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 [2020-10-23 18:38:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:38:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:38:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:38:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:38:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:38:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:38:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:38:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:38:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:38:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:38:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:38:48,043 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:38:48,044 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-23 18:38:48,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:48 BoogieIcfgContainer [2020-10-23 18:38:48,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:38:48,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:38:48,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:38:48,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:38:48,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:38:46" (1/3) ... [2020-10-23 18:38:48,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375f0886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:48, skipping insertion in model container [2020-10-23 18:38:48,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:38:47" (2/3) ... [2020-10-23 18:38:48,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375f0886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:38:48, skipping insertion in model container [2020-10-23 18:38:48,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:38:48" (3/3) ... [2020-10-23 18:38:48,055 INFO L111 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2020-10-23 18:38:48,068 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:38:48,074 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:38:48,092 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:38:48,120 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:38:48,121 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:38:48,121 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:38:48,121 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:38:48,121 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:38:48,121 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:38:48,121 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:38:48,121 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:38:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2020-10-23 18:38:48,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-23 18:38:48,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:38:48,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:38:48,152 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:38:48,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:38:48,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1756844398, now seen corresponding path program 1 times [2020-10-23 18:38:48,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:38:48,169 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986275531] [2020-10-23 18:38:48,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:38:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:48,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:38:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:38:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:38:48,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986275531] [2020-10-23 18:38:48,641 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:38:48,641 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:38:48,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789383113] [2020-10-23 18:38:48,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:38:48,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:38:48,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:38:48,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 18:38:48,680 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 3 states. [2020-10-23 18:38:48,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:38:48,764 INFO L93 Difference]: Finished difference Result 143 states and 262 transitions. [2020-10-23 18:38:48,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:38:48,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-10-23 18:38:48,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:38:48,773 INFO L225 Difference]: With dead ends: 143 [2020-10-23 18:38:48,773 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:38:48,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 18:38:48,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:38:48,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:38:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:38:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:38:48,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-23 18:38:48,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:38:48,806 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:38:48,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:38:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:38:48,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:38:48,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:38:48,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:38:49,029 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:38:49,029 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:38:49,029 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:38:49,030 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:38:49,030 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:49,030 INFO L270 CegarLoopResult]: 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)|)) [2020-10-23 18:38:49,030 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:49,030 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:38:49,031 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 18:38:49,031 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:38:49,031 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:38:49,031 INFO L274 CegarLoopResult]: For program point L217(lines 217 227) no Hoare annotation was computed. [2020-10-23 18:38:49,031 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 20 363) no Hoare annotation was computed. [2020-10-23 18:38:49,031 INFO L274 CegarLoopResult]: For program point L184(lines 184 198) no Hoare annotation was computed. [2020-10-23 18:38:49,031 INFO L274 CegarLoopResult]: For program point L52(lines 52 66) no Hoare annotation was computed. [2020-10-23 18:38:49,032 INFO L274 CegarLoopResult]: For program point L267(lines 267 269) no Hoare annotation was computed. [2020-10-23 18:38:49,032 INFO L274 CegarLoopResult]: For program point L201(lines 201 212) no Hoare annotation was computed. [2020-10-23 18:38:49,032 INFO L274 CegarLoopResult]: For program point L251(lines 251 253) no Hoare annotation was computed. [2020-10-23 18:38:49,032 INFO L274 CegarLoopResult]: For program point L119(lines 119 134) no Hoare annotation was computed. [2020-10-23 18:38:49,032 INFO L274 CegarLoopResult]: For program point L169(lines 169 183) no Hoare annotation was computed. [2020-10-23 18:38:49,032 INFO L274 CegarLoopResult]: For program point L103(lines 103 118) no Hoare annotation was computed. [2020-10-23 18:38:49,032 INFO L274 CegarLoopResult]: For program point L70(lines 70 137) no Hoare annotation was computed. [2020-10-23 18:38:49,033 INFO L274 CegarLoopResult]: For program point L186(lines 186 196) no Hoare annotation was computed. [2020-10-23 18:38:49,033 INFO L274 CegarLoopResult]: For program point L87(lines 87 102) no Hoare annotation was computed. [2020-10-23 18:38:49,033 INFO L274 CegarLoopResult]: For program point L54(lines 54 64) no Hoare annotation was computed. [2020-10-23 18:38:49,033 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 20 363) no Hoare annotation was computed. [2020-10-23 18:38:49,033 INFO L274 CegarLoopResult]: For program point L236(lines 236 238) no Hoare annotation was computed. [2020-10-23 18:38:49,033 INFO L274 CegarLoopResult]: For program point L71(lines 71 86) no Hoare annotation was computed. [2020-10-23 18:38:49,033 INFO L274 CegarLoopResult]: For program point L154(lines 154 168) no Hoare annotation was computed. [2020-10-23 18:38:49,034 INFO L274 CegarLoopResult]: For program point L121(lines 121 132) no Hoare annotation was computed. [2020-10-23 18:38:49,034 INFO L274 CegarLoopResult]: For program point L171(lines 171 181) no Hoare annotation was computed. [2020-10-23 18:38:49,034 INFO L274 CegarLoopResult]: For program point L138(lines 138 355) no Hoare annotation was computed. [2020-10-23 18:38:49,034 INFO L274 CegarLoopResult]: For program point L105(lines 105 116) no Hoare annotation was computed. [2020-10-23 18:38:49,034 INFO L274 CegarLoopResult]: For program point L221(lines 221 223) no Hoare annotation was computed. [2020-10-23 18:38:49,034 INFO L274 CegarLoopResult]: For program point L89(lines 89 100) no Hoare annotation was computed. [2020-10-23 18:38:49,034 INFO L274 CegarLoopResult]: For program point L205(lines 205 207) no Hoare annotation was computed. [2020-10-23 18:38:49,035 INFO L274 CegarLoopResult]: For program point L139(lines 139 153) no Hoare annotation was computed. [2020-10-23 18:38:49,035 INFO L274 CegarLoopResult]: For program point L73(lines 73 84) no Hoare annotation was computed. [2020-10-23 18:38:49,035 INFO L277 CegarLoopResult]: At program point L354(lines 28 358) the Hoare annotation is: true [2020-10-23 18:38:49,035 INFO L274 CegarLoopResult]: For program point L156(lines 156 166) no Hoare annotation was computed. [2020-10-23 18:38:49,035 INFO L274 CegarLoopResult]: For program point L338(lines 338 352) no Hoare annotation was computed. [2020-10-23 18:38:49,035 INFO L274 CegarLoopResult]: For program point L190(lines 190 192) no Hoare annotation was computed. [2020-10-23 18:38:49,035 INFO L274 CegarLoopResult]: For program point L58(lines 58 60) no Hoare annotation was computed. [2020-10-23 18:38:49,036 INFO L274 CegarLoopResult]: For program point L141(lines 141 151) no Hoare annotation was computed. [2020-10-23 18:38:49,036 INFO L274 CegarLoopResult]: For program point L323(lines 323 337) no Hoare annotation was computed. [2020-10-23 18:38:49,036 INFO L274 CegarLoopResult]: For program point L125(lines 125 127) no Hoare annotation was computed. [2020-10-23 18:38:49,036 INFO L274 CegarLoopResult]: For program point L340(lines 340 350) no Hoare annotation was computed. [2020-10-23 18:38:49,036 INFO L274 CegarLoopResult]: For program point L307(lines 307 322) no Hoare annotation was computed. [2020-10-23 18:38:49,036 INFO L274 CegarLoopResult]: For program point L175(lines 175 177) no Hoare annotation was computed. [2020-10-23 18:38:49,036 INFO L274 CegarLoopResult]: For program point L109(lines 109 111) no Hoare annotation was computed. [2020-10-23 18:38:49,037 INFO L274 CegarLoopResult]: For program point L291(lines 291 306) no Hoare annotation was computed. [2020-10-23 18:38:49,037 INFO L274 CegarLoopResult]: For program point L93(lines 93 95) no Hoare annotation was computed. [2020-10-23 18:38:49,037 INFO L274 CegarLoopResult]: For program point L77(lines 77 79) no Hoare annotation was computed. [2020-10-23 18:38:49,037 INFO L274 CegarLoopResult]: For program point L325(lines 325 335) no Hoare annotation was computed. [2020-10-23 18:38:49,037 INFO L274 CegarLoopResult]: For program point L160(lines 160 162) no Hoare annotation was computed. [2020-10-23 18:38:49,037 INFO L277 CegarLoopResult]: At program point L28-2(lines 28 358) the Hoare annotation is: true [2020-10-23 18:38:49,037 INFO L274 CegarLoopResult]: For program point L28-3(lines 28 358) no Hoare annotation was computed. [2020-10-23 18:38:49,038 INFO L274 CegarLoopResult]: For program point L309(lines 309 320) no Hoare annotation was computed. [2020-10-23 18:38:49,038 INFO L274 CegarLoopResult]: For program point L276(lines 276 290) no Hoare annotation was computed. [2020-10-23 18:38:49,038 INFO L274 CegarLoopResult]: For program point L293(lines 293 304) no Hoare annotation was computed. [2020-10-23 18:38:49,038 INFO L274 CegarLoopResult]: For program point L145(lines 145 147) no Hoare annotation was computed. [2020-10-23 18:38:49,038 INFO L274 CegarLoopResult]: For program point L261(lines 261 275) no Hoare annotation was computed. [2020-10-23 18:38:49,038 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 20 363) the Hoare annotation is: true [2020-10-23 18:38:49,038 INFO L274 CegarLoopResult]: For program point L344(lines 344 346) no Hoare annotation was computed. [2020-10-23 18:38:49,038 INFO L274 CegarLoopResult]: For program point L278(lines 278 288) no Hoare annotation was computed. [2020-10-23 18:38:49,039 INFO L274 CegarLoopResult]: For program point L245(lines 245 260) no Hoare annotation was computed. [2020-10-23 18:38:49,039 INFO L270 CegarLoopResult]: At program point L345(lines 20 363) the Hoare annotation is: false [2020-10-23 18:38:49,039 INFO L274 CegarLoopResult]: For program point L362(line 362) no Hoare annotation was computed. [2020-10-23 18:38:49,039 INFO L274 CegarLoopResult]: For program point L329(lines 329 331) no Hoare annotation was computed. [2020-10-23 18:38:49,039 INFO L274 CegarLoopResult]: For program point L263(lines 263 273) no Hoare annotation was computed. [2020-10-23 18:38:49,039 INFO L274 CegarLoopResult]: For program point L230(lines 230 244) no Hoare annotation was computed. [2020-10-23 18:38:49,040 INFO L274 CegarLoopResult]: For program point L313(lines 313 315) no Hoare annotation was computed. [2020-10-23 18:38:49,040 INFO L274 CegarLoopResult]: For program point L247(lines 247 258) no Hoare annotation was computed. [2020-10-23 18:38:49,040 INFO L274 CegarLoopResult]: For program point L297(lines 297 299) no Hoare annotation was computed. [2020-10-23 18:38:49,040 INFO L274 CegarLoopResult]: For program point L215(lines 215 229) no Hoare annotation was computed. [2020-10-23 18:38:49,040 INFO L274 CegarLoopResult]: For program point L232(lines 232 242) no Hoare annotation was computed. [2020-10-23 18:38:49,040 INFO L274 CegarLoopResult]: For program point L199(lines 199 214) no Hoare annotation was computed. [2020-10-23 18:38:49,040 INFO L274 CegarLoopResult]: For program point L282(lines 282 284) no Hoare annotation was computed. [2020-10-23 18:38:49,040 INFO L274 CegarLoopResult]: For program point L51(lines 51 69) no Hoare annotation was computed. [2020-10-23 18:38:49,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:38:49 BoogieIcfgContainer [2020-10-23 18:38:49,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:38:49,056 INFO L168 Benchmark]: Toolchain (without parser) took 2234.43 ms. Allocated memory is still 168.8 MB. Free memory was 143.5 MB in the beginning and 121.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,057 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 101.5 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:38:49,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.36 ms. Allocated memory is still 168.8 MB. Free memory was 142.8 MB in the beginning and 130.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,059 INFO L168 Benchmark]: Boogie Preprocessor took 85.06 ms. Allocated memory is still 168.8 MB. Free memory was 130.8 MB in the beginning and 128.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,060 INFO L168 Benchmark]: RCFGBuilder took 652.69 ms. Allocated memory is still 168.8 MB. Free memory was 128.8 MB in the beginning and 131.4 MB in the end (delta: -2.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,061 INFO L168 Benchmark]: TraceAbstraction took 1005.24 ms. Allocated memory is still 168.8 MB. Free memory was 130.8 MB in the beginning and 121.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:38:49,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory was 101.6 MB in the beginning and 101.5 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 474.36 ms. Allocated memory is still 168.8 MB. Free memory was 142.8 MB in the beginning and 130.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 85.06 ms. Allocated memory is still 168.8 MB. Free memory was 130.8 MB in the beginning and 128.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 652.69 ms. Allocated memory is still 168.8 MB. Free memory was 128.8 MB in the beginning and 131.4 MB in the end (delta: -2.7 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1005.24 ms. Allocated memory is still 168.8 MB. Free memory was 130.8 MB in the beginning and 121.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 79 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 98 SDtfs, 92 SDslu, 3 SDs, 0 SdLazy, 3 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred 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, 8 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 71 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 8 FomulaSimplificationsInter, 189 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...