/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/psyco/psyco_math_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:58:21,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:58:21,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:58:21,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:58:21,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:58:21,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:58:21,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:58:21,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:58:21,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:58:21,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:58:21,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:58:21,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:58:21,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:58:21,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:58:21,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:58:21,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:58:21,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:58:21,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:58:21,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:58:21,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:58:21,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:58:21,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:58:21,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:58:21,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:58:21,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 17:58:21,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:58:21,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:58:21,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:58:21,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 17:58:21,275 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:58:21,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:58:21,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:58:21,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:58:21,277 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:58:21,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:58:21,278 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:58:21,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:58:21,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:58:21,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:58:21,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:58:21,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:58:21,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:58:21,279 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:58:21,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:58:21,279 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:58:21,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:58:21,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:58:21,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:58:21,280 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:58:21,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:58:21,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:58:21,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:58:21,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:58:21,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:58:21,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:58:21,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:58:21,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:58:21,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:58:21,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:58:21,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:58:21,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:58:21,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:58:21,636 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:58:21,636 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:58:21,637 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_math_1.c [2020-08-18 17:58:21,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3b6725cd/6fb764dac5554dce949977f150680210/FLAG36c8b3ce8 [2020-08-18 17:58:22,176 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:58:22,177 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/psyco/psyco_math_1.c [2020-08-18 17:58:22,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3b6725cd/6fb764dac5554dce949977f150680210/FLAG36c8b3ce8 [2020-08-18 17:58:22,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3b6725cd/6fb764dac5554dce949977f150680210 [2020-08-18 17:58:22,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:58:22,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:58:22,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:58:22,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:58:22,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:58:22,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:58:22" (1/1) ... [2020-08-18 17:58:22,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e93eba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22, skipping insertion in model container [2020-08-18 17:58:22,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:58:22" (1/1) ... [2020-08-18 17:58:22,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:58:22,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:58:22,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:58:22,786 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:58:22,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:58:22,948 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:58:22,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22 WrapperNode [2020-08-18 17:58:22,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:58:22,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:58:22,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:58:22,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:58:22,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22" (1/1) ... [2020-08-18 17:58:22,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22" (1/1) ... [2020-08-18 17:58:22,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22" (1/1) ... [2020-08-18 17:58:22,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22" (1/1) ... [2020-08-18 17:58:22,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22" (1/1) ... [2020-08-18 17:58:22,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22" (1/1) ... [2020-08-18 17:58:22,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22" (1/1) ... [2020-08-18 17:58:22,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:58:22,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:58:22,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:58:22,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:58:22,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 17:58:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:58:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:58:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:58:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:58:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:58:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:58:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:58:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:58:23,659 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:58:23,659 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-08-18 17:58:23,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:58:23 BoogieIcfgContainer [2020-08-18 17:58:23,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:58:23,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:58:23,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:58:23,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:58:23,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:58:22" (1/3) ... [2020-08-18 17:58:23,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff59795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:58:23, skipping insertion in model container [2020-08-18 17:58:23,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:58:22" (2/3) ... [2020-08-18 17:58:23,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff59795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:58:23, skipping insertion in model container [2020-08-18 17:58:23,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:58:23" (3/3) ... [2020-08-18 17:58:23,673 INFO L109 eAbstractionObserver]: Analyzing ICFG psyco_math_1.c [2020-08-18 17:58:23,685 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:58:23,693 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:58:23,708 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:58:23,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:58:23,735 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:58:23,735 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:58:23,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:58:23,736 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:58:23,736 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:58:23,736 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:58:23,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:58:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2020-08-18 17:58:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-18 17:58:23,766 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:58:23,767 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:58:23,768 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:58:23,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:58:23,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1894488840, now seen corresponding path program 1 times [2020-08-18 17:58:23,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:58:23,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1476933810] [2020-08-18 17:58:23,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:58:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:58:24,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:58:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:58:24,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:58:24,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1476933810] [2020-08-18 17:58:24,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:58:24,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 17:58:24,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385746361] [2020-08-18 17:58:24,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 17:58:24,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:58:24,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 17:58:24,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:58:24,111 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 3 states. [2020-08-18 17:58:24,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:58:24,170 INFO L93 Difference]: Finished difference Result 139 states and 258 transitions. [2020-08-18 17:58:24,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 17:58:24,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-08-18 17:58:24,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:58:24,181 INFO L225 Difference]: With dead ends: 139 [2020-08-18 17:58:24,181 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:58:24,186 INFO L675 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 [2020-08-18 17:58:24,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:58:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:58:24,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:58:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:58:24,218 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-08-18 17:58:24,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:58:24,219 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:58:24,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 17:58:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:58:24,219 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:58:24,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:58:24,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:58:24,344 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:58:24,344 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~m_IntMath~0 |old(~m_IntMath~0)|) (= ~m_mod_2~0 |old(~m_mod_2~0)|) (= ~m_factorial_2~0 |old(~m_factorial_2~0)|) (= ~m_isPowerOfTwo~0 |old(~m_isPowerOfTwo~0)|) (= ~m_checkedMultiply~0 |old(~m_checkedMultiply~0)|) (= ~m_mod_1~0 |old(~m_mod_1~0)|) (= ~m_checkedAdd~0 |old(~m_checkedAdd~0)|) (= ~m_checkedSubtract~0 |old(~m_checkedSubtract~0)|) (= ~m_log2~0 |old(~m_log2~0)|) (= ~m_factorial_1~0 |old(~m_factorial_1~0)|) (= ~m_log10~0 |old(~m_log10~0)|)) [2020-08-18 17:58:24,344 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:58:24,344 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:58:24,345 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-18 17:58:24,345 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:58:24,345 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:58:24,345 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 18 361) no Hoare annotation was computed. [2020-08-18 17:58:24,345 INFO L268 CegarLoopResult]: For program point L184(lines 184 194) no Hoare annotation was computed. [2020-08-18 17:58:24,346 INFO L268 CegarLoopResult]: For program point L85(lines 85 100) no Hoare annotation was computed. [2020-08-18 17:58:24,346 INFO L268 CegarLoopResult]: For program point L52(lines 52 62) no Hoare annotation was computed. [2020-08-18 17:58:24,346 INFO L268 CegarLoopResult]: For program point L234(lines 234 236) no Hoare annotation was computed. [2020-08-18 17:58:24,346 INFO L268 CegarLoopResult]: For program point L69(lines 69 84) no Hoare annotation was computed. [2020-08-18 17:58:24,346 INFO L268 CegarLoopResult]: For program point L152(lines 152 166) no Hoare annotation was computed. [2020-08-18 17:58:24,346 INFO L268 CegarLoopResult]: For program point L119(lines 119 130) no Hoare annotation was computed. [2020-08-18 17:58:24,346 INFO L268 CegarLoopResult]: For program point L169(lines 169 179) no Hoare annotation was computed. [2020-08-18 17:58:24,348 INFO L268 CegarLoopResult]: For program point L136(lines 136 353) no Hoare annotation was computed. [2020-08-18 17:58:24,348 INFO L268 CegarLoopResult]: For program point L103(lines 103 114) no Hoare annotation was computed. [2020-08-18 17:58:24,348 INFO L268 CegarLoopResult]: For program point L219(lines 219 221) no Hoare annotation was computed. [2020-08-18 17:58:24,348 INFO L268 CegarLoopResult]: For program point L87(lines 87 98) no Hoare annotation was computed. [2020-08-18 17:58:24,349 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 18 361) no Hoare annotation was computed. [2020-08-18 17:58:24,349 INFO L268 CegarLoopResult]: For program point L203(lines 203 205) no Hoare annotation was computed. [2020-08-18 17:58:24,349 INFO L268 CegarLoopResult]: For program point L137(lines 137 151) no Hoare annotation was computed. [2020-08-18 17:58:24,349 INFO L268 CegarLoopResult]: For program point L71(lines 71 82) no Hoare annotation was computed. [2020-08-18 17:58:24,349 INFO L271 CegarLoopResult]: At program point L352(lines 26 356) the Hoare annotation is: true [2020-08-18 17:58:24,349 INFO L268 CegarLoopResult]: For program point L154(lines 154 164) no Hoare annotation was computed. [2020-08-18 17:58:24,350 INFO L268 CegarLoopResult]: For program point L336(lines 336 350) no Hoare annotation was computed. [2020-08-18 17:58:24,350 INFO L268 CegarLoopResult]: For program point L188(lines 188 190) no Hoare annotation was computed. [2020-08-18 17:58:24,350 INFO L268 CegarLoopResult]: For program point L56(lines 56 58) no Hoare annotation was computed. [2020-08-18 17:58:24,350 INFO L268 CegarLoopResult]: For program point L139(lines 139 149) no Hoare annotation was computed. [2020-08-18 17:58:24,351 INFO L268 CegarLoopResult]: For program point L321(lines 321 335) no Hoare annotation was computed. [2020-08-18 17:58:24,351 INFO L268 CegarLoopResult]: For program point L123(lines 123 125) no Hoare annotation was computed. [2020-08-18 17:58:24,351 INFO L268 CegarLoopResult]: For program point L338(lines 338 348) no Hoare annotation was computed. [2020-08-18 17:58:24,351 INFO L268 CegarLoopResult]: For program point L305(lines 305 320) no Hoare annotation was computed. [2020-08-18 17:58:24,351 INFO L268 CegarLoopResult]: For program point L173(lines 173 175) no Hoare annotation was computed. [2020-08-18 17:58:24,351 INFO L268 CegarLoopResult]: For program point L107(lines 107 109) no Hoare annotation was computed. [2020-08-18 17:58:24,352 INFO L268 CegarLoopResult]: For program point L289(lines 289 304) no Hoare annotation was computed. [2020-08-18 17:58:24,352 INFO L268 CegarLoopResult]: For program point L91(lines 91 93) no Hoare annotation was computed. [2020-08-18 17:58:24,352 INFO L268 CegarLoopResult]: For program point L75(lines 75 77) no Hoare annotation was computed. [2020-08-18 17:58:24,352 INFO L268 CegarLoopResult]: For program point L323(lines 323 333) no Hoare annotation was computed. [2020-08-18 17:58:24,352 INFO L268 CegarLoopResult]: For program point L158(lines 158 160) no Hoare annotation was computed. [2020-08-18 17:58:24,352 INFO L271 CegarLoopResult]: At program point L26-2(lines 26 356) the Hoare annotation is: true [2020-08-18 17:58:24,353 INFO L268 CegarLoopResult]: For program point L26-3(lines 26 356) no Hoare annotation was computed. [2020-08-18 17:58:24,354 INFO L268 CegarLoopResult]: For program point L307(lines 307 318) no Hoare annotation was computed. [2020-08-18 17:58:24,354 INFO L268 CegarLoopResult]: For program point L274(lines 274 288) no Hoare annotation was computed. [2020-08-18 17:58:24,354 INFO L268 CegarLoopResult]: For program point L291(lines 291 302) no Hoare annotation was computed. [2020-08-18 17:58:24,354 INFO L268 CegarLoopResult]: For program point L143(lines 143 145) no Hoare annotation was computed. [2020-08-18 17:58:24,355 INFO L268 CegarLoopResult]: For program point L259(lines 259 273) no Hoare annotation was computed. [2020-08-18 17:58:24,356 INFO L268 CegarLoopResult]: For program point L342(lines 342 344) no Hoare annotation was computed. [2020-08-18 17:58:24,356 INFO L268 CegarLoopResult]: For program point L276(lines 276 286) no Hoare annotation was computed. [2020-08-18 17:58:24,357 INFO L268 CegarLoopResult]: For program point L243(lines 243 258) no Hoare annotation was computed. [2020-08-18 17:58:24,357 INFO L264 CegarLoopResult]: At program point L343(lines 18 361) the Hoare annotation is: false [2020-08-18 17:58:24,357 INFO L268 CegarLoopResult]: For program point L327(lines 327 329) no Hoare annotation was computed. [2020-08-18 17:58:24,357 INFO L268 CegarLoopResult]: For program point L261(lines 261 271) no Hoare annotation was computed. [2020-08-18 17:58:24,358 INFO L268 CegarLoopResult]: For program point L228(lines 228 242) no Hoare annotation was computed. [2020-08-18 17:58:24,359 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 360) no Hoare annotation was computed. [2020-08-18 17:58:24,359 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 18 361) the Hoare annotation is: true [2020-08-18 17:58:24,363 INFO L268 CegarLoopResult]: For program point L311(lines 311 313) no Hoare annotation was computed. [2020-08-18 17:58:24,363 INFO L268 CegarLoopResult]: For program point L245(lines 245 256) no Hoare annotation was computed. [2020-08-18 17:58:24,363 INFO L268 CegarLoopResult]: For program point L295(lines 295 297) no Hoare annotation was computed. [2020-08-18 17:58:24,363 INFO L268 CegarLoopResult]: For program point L213(lines 213 227) no Hoare annotation was computed. [2020-08-18 17:58:24,363 INFO L268 CegarLoopResult]: For program point L230(lines 230 240) no Hoare annotation was computed. [2020-08-18 17:58:24,363 INFO L268 CegarLoopResult]: For program point L197(lines 197 212) no Hoare annotation was computed. [2020-08-18 17:58:24,364 INFO L268 CegarLoopResult]: For program point L280(lines 280 282) no Hoare annotation was computed. [2020-08-18 17:58:24,365 INFO L268 CegarLoopResult]: For program point L49(lines 49 67) no Hoare annotation was computed. [2020-08-18 17:58:24,365 INFO L268 CegarLoopResult]: For program point L215(lines 215 225) no Hoare annotation was computed. [2020-08-18 17:58:24,365 INFO L268 CegarLoopResult]: For program point L182(lines 182 196) no Hoare annotation was computed. [2020-08-18 17:58:24,365 INFO L268 CegarLoopResult]: For program point L50(lines 50 64) no Hoare annotation was computed. [2020-08-18 17:58:24,373 INFO L268 CegarLoopResult]: For program point L265(lines 265 267) no Hoare annotation was computed. [2020-08-18 17:58:24,373 INFO L268 CegarLoopResult]: For program point L199(lines 199 210) no Hoare annotation was computed. [2020-08-18 17:58:24,373 INFO L268 CegarLoopResult]: For program point L249(lines 249 251) no Hoare annotation was computed. [2020-08-18 17:58:24,373 INFO L268 CegarLoopResult]: For program point L117(lines 117 132) no Hoare annotation was computed. [2020-08-18 17:58:24,374 INFO L268 CegarLoopResult]: For program point L167(lines 167 181) no Hoare annotation was computed. [2020-08-18 17:58:24,375 INFO L268 CegarLoopResult]: For program point L101(lines 101 116) no Hoare annotation was computed. [2020-08-18 17:58:24,375 INFO L268 CegarLoopResult]: For program point L68(lines 68 135) no Hoare annotation was computed. [2020-08-18 17:58:24,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:58:24 BoogieIcfgContainer [2020-08-18 17:58:24,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:58:24,392 INFO L168 Benchmark]: Toolchain (without parser) took 1891.29 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.0 MB in the beginning and 105.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. [2020-08-18 17:58:24,395 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 17:58:24,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.87 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 178.3 MB in the end (delta: -77.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-08-18 17:58:24,397 INFO L168 Benchmark]: Boogie Preprocessor took 48.04 ms. Allocated memory is still 201.9 MB. Free memory was 178.3 MB in the beginning and 176.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:58:24,398 INFO L168 Benchmark]: RCFGBuilder took 666.13 ms. Allocated memory is still 201.9 MB. Free memory was 176.2 MB in the beginning and 146.4 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-08-18 17:58:24,399 INFO L168 Benchmark]: TraceAbstraction took 723.97 ms. Allocated memory is still 201.9 MB. Free memory was 145.7 MB in the beginning and 105.7 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2020-08-18 17:58:24,409 INFO L336 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 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 447.87 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 178.3 MB in the end (delta: -77.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.04 ms. Allocated memory is still 201.9 MB. Free memory was 178.3 MB in the beginning and 176.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 666.13 ms. Allocated memory is still 201.9 MB. Free memory was 176.2 MB in the beginning and 146.4 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 723.97 ms. Allocated memory is still 201.9 MB. Free memory was 145.7 MB in the beginning and 105.7 MB in the end (delta: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 360]: 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: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 SDtfs, 92 SDslu, 3 SDs, 0 SdLazy, 2 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=75occurred 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 40 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 99 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 540 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...