/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:21:59,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:21:59,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:21:59,502 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-06 21:21:59,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:21:59,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:21:59,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:21:59,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:21:59,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:21:59,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:21:59,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:21:59,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:21:59,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:21:59,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:21:59,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:21:59,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:21:59,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 21:21:59,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:21:59,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:21:59,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:21:59,562 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 [2019-11-06 21:21:59,575 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:21:59,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:21:59,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:21:59,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:21:59,577 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:21:59,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:21:59,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:21:59,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:21:59,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:21:59,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:21:59,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:21:59,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:21:59,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:21:59,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:21:59,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:21:59,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:21:59,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:21:59,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:21:59,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:21:59,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:21:59,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:21:59,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:21:59,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:21:59,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:21:59,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:21:59,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:21:59,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:21:59,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:21:59,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:21:59,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:21:59,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:21:59,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:21:59,875 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:21:59,876 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:21:59,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-11-06 21:21:59,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b6c28f37/3d05bee9e7ca4b2a96deea77617a8d75/FLAGe6d0a7705 [2019-11-06 21:22:00,442 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:22:00,442 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-11-06 21:22:00,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b6c28f37/3d05bee9e7ca4b2a96deea77617a8d75/FLAGe6d0a7705 [2019-11-06 21:22:00,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b6c28f37/3d05bee9e7ca4b2a96deea77617a8d75 [2019-11-06 21:22:00,831 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:22:00,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:22:00,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:22:00,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:22:00,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:22:00,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:22:00" (1/1) ... [2019-11-06 21:22:00,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eaa6467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:00, skipping insertion in model container [2019-11-06 21:22:00,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:22:00" (1/1) ... [2019-11-06 21:22:00,848 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:22:00,871 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:22:01,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:22:01,077 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:22:01,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:22:01,119 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:22:01,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01 WrapperNode [2019-11-06 21:22:01,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:22:01,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:22:01,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:22:01,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:22:01,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01" (1/1) ... [2019-11-06 21:22:01,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01" (1/1) ... [2019-11-06 21:22:01,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01" (1/1) ... [2019-11-06 21:22:01,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01" (1/1) ... [2019-11-06 21:22:01,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01" (1/1) ... [2019-11-06 21:22:01,223 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01" (1/1) ... [2019-11-06 21:22:01,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01" (1/1) ... [2019-11-06 21:22:01,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:22:01,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:22:01,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:22:01,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:22:01,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01" (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 [2019-11-06 21:22:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:22:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:22:01,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:22:01,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:22:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:22:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-06 21:22:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:22:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:22:01,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:22:01,558 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:22:01,559 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 21:22:01,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:22:01 BoogieIcfgContainer [2019-11-06 21:22:01,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:22:01,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:22:01,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:22:01,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:22:01,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:22:00" (1/3) ... [2019-11-06 21:22:01,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66054ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:22:01, skipping insertion in model container [2019-11-06 21:22:01,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:22:01" (2/3) ... [2019-11-06 21:22:01,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66054ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:22:01, skipping insertion in model container [2019-11-06 21:22:01,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:22:01" (3/3) ... [2019-11-06 21:22:01,570 INFO L109 eAbstractionObserver]: Analyzing ICFG mod3.c.v+sep-reducer.c [2019-11-06 21:22:01,580 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:22:01,595 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:22:01,621 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:22:01,643 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:22:01,643 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:22:01,644 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:22:01,644 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:22:01,644 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:22:01,644 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:22:01,644 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:22:01,644 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:22:01,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-06 21:22:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-06 21:22:01,665 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:22:01,666 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:22:01,668 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:22:01,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:22:01,672 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2019-11-06 21:22:01,679 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:22:01,679 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8857969] [2019-11-06 21:22:01,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:22:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:22:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:22:02,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 21:22:02,249 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8857969] [2019-11-06 21:22:02,250 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:22:02,251 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 21:22:02,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334099957] [2019-11-06 21:22:02,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 21:22:02,260 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:22:02,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 21:22:02,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 21:22:02,278 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2019-11-06 21:22:02,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:22:02,548 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2019-11-06 21:22:02,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 21:22:02,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2019-11-06 21:22:02,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:22:02,558 INFO L225 Difference]: With dead ends: 59 [2019-11-06 21:22:02,558 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 21:22:02,562 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 21:22:02,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 21:22:02,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 21:22:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 21:22:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 21:22:02,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-06 21:22:02,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:22:02,593 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 21:22:02,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 21:22:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 21:22:02,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 21:22:02,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 21:22:02,695 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:22:02,695 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~__return_main~0 |old(~__return_main~0)|) (= ~__tmp_22_1~0 |old(~__tmp_22_1~0)|) (= ~__tmp_28_0~0 |old(~__tmp_28_0~0)|) (= ~__tmp_25_0~0 |old(~__tmp_25_0~0)|) (= ~__return_65~0 |old(~__return_65~0)|) (= ~__tmp_22_0~0 |old(~__tmp_22_0~0)|) (= ~__tmp_25_1~0 |old(~__tmp_25_1~0)|) (= ~__tmp_31_0~0 |old(~__tmp_31_0~0)|)) [2019-11-06 21:22:02,696 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:22:02,696 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 21:22:02,696 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-06 21:22:02,696 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 21:22:02,696 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 21:22:02,698 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2019-11-06 21:22:02,698 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2019-11-06 21:22:02,699 INFO L439 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2019-11-06 21:22:02,699 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2019-11-06 21:22:02,699 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2019-11-06 21:22:02,700 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2019-11-06 21:22:02,700 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2019-11-06 21:22:02,700 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2019-11-06 21:22:02,700 INFO L446 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2019-11-06 21:22:02,700 INFO L443 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2019-11-06 21:22:02,700 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-11-06 21:22:02,701 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2019-11-06 21:22:02,701 INFO L439 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2019-11-06 21:22:02,701 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2019-11-06 21:22:02,701 INFO L446 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2019-11-06 21:22:02,702 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: (and (= ~__tmp_22_1~0 |old(~__tmp_22_1~0)|) (= ~__tmp_28_0~0 |old(~__tmp_28_0~0)|) (= ~__tmp_25_0~0 |old(~__tmp_25_0~0)|) (= ~__return_65~0 |old(~__return_65~0)|) (= ~__tmp_22_0~0 |old(~__tmp_22_0~0)|) (= ~__tmp_25_1~0 |old(~__tmp_25_1~0)|) (= ~__tmp_31_0~0 |old(~__tmp_31_0~0)|)) [2019-11-06 21:22:02,703 INFO L439 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (<= (* 2863311531 main_~main__x~0) (let ((.cse0 (div main_~main__x~0 4294967296))) (+ (* 12297829383904690176 .cse0) (* 8589934592 (div (+ (* .cse0 (- 4294967296)) main_~main__x~0) 3)) 1431655765))) [2019-11-06 21:22:02,703 INFO L446 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2019-11-06 21:22:02,703 INFO L443 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2019-11-06 21:22:02,704 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2019-11-06 21:22:02,704 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2019-11-06 21:22:02,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:22:02 BoogieIcfgContainer [2019-11-06 21:22:02,726 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 21:22:02,731 INFO L168 Benchmark]: Toolchain (without parser) took 1896.37 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 103.2 MB in the beginning and 101.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. [2019-11-06 21:22:02,733 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 21:22:02,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.79 ms. Allocated memory is still 137.9 MB. Free memory was 103.0 MB in the beginning and 92.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-11-06 21:22:02,737 INFO L168 Benchmark]: Boogie Preprocessor took 106.52 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.3 MB in the beginning and 180.5 MB in the end (delta: -88.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-11-06 21:22:02,738 INFO L168 Benchmark]: RCFGBuilder took 333.33 ms. Allocated memory is still 201.9 MB. Free memory was 180.5 MB in the beginning and 164.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-11-06 21:22:02,740 INFO L168 Benchmark]: TraceAbstraction took 1165.00 ms. Allocated memory is still 201.9 MB. Free memory was 164.5 MB in the beginning and 101.1 MB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. [2019-11-06 21:22:02,751 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 286.79 ms. Allocated memory is still 137.9 MB. Free memory was 103.0 MB in the beginning and 92.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.52 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 92.3 MB in the beginning and 180.5 MB in the end (delta: -88.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 333.33 ms. Allocated memory is still 201.9 MB. Free memory was 180.5 MB in the beginning and 164.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1165.00 ms. Allocated memory is still 201.9 MB. Free memory was 164.5 MB in the beginning and 101.1 MB in the end (delta: 63.4 MB). Peak memory consumption was 63.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: 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: 34]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 12297829383904690176 * (main__x / 4294967296) + 8589934592 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 1431655765 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 12297829383904690176 * (main__x / 4294967296) + 8589934592 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 1431655765 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 2863311531 * main__x <= 12297829383904690176 * (main__x / 4294967296) + 8589934592 * ((main__x / 4294967296 * -4294967296 + main__x) / 3) + 1431655765 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 17 SDslu, 34 SDs, 0 SdLazy, 60 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 118 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 3 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 1750 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...