/usr/bin/java -ea -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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/just_assert.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 19:00:36,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 19:00:36,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 19:00:36,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-10 19:00:36,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-10 19:00:36,973 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 19:00:36,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 19:00:36,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 19:00:36,975 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 19:00:36,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 19:00:36,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 19:00:36,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 19:00:36,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 19:00:36,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 19:00:36,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 19:00:36,976 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 19:00:36,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 19:00:36,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 19:00:36,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 19:00:36,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 19:00:36,978 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-10 19:00:36,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 19:00:36,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 19:00:36,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 19:00:36,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 19:00:36,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-10 19:00:36,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 19:00:36,979 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-10 19:00:37,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 19:00:37,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 19:00:37,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 19:00:37,323 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 19:00:37,324 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 19:00:37,324 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/just_assert.i [2020-07-10 19:00:37,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17073ee9/d097dc37e9134e01ac53733e6165ba3d/FLAG5ee1f7b42 [2020-07-10 19:00:37,908 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 19:00:37,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/just_assert.i [2020-07-10 19:00:37,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17073ee9/d097dc37e9134e01ac53733e6165ba3d/FLAG5ee1f7b42 [2020-07-10 19:00:38,254 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17073ee9/d097dc37e9134e01ac53733e6165ba3d [2020-07-10 19:00:38,264 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 19:00:38,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 19:00:38,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 19:00:38,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 19:00:38,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 19:00:38,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:00:38" (1/1) ... [2020-07-10 19:00:38,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfc0b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38, skipping insertion in model container [2020-07-10 19:00:38,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 07:00:38" (1/1) ... [2020-07-10 19:00:38,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 19:00:38,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 19:00:38,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:00:38,526 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 19:00:38,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 19:00:38,557 INFO L208 MainTranslator]: Completed translation [2020-07-10 19:00:38,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38 WrapperNode [2020-07-10 19:00:38,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 19:00:38,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 19:00:38,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 19:00:38,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 19:00:38,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38" (1/1) ... [2020-07-10 19:00:38,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38" (1/1) ... [2020-07-10 19:00:38,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38" (1/1) ... [2020-07-10 19:00:38,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38" (1/1) ... [2020-07-10 19:00:38,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38" (1/1) ... [2020-07-10 19:00:38,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38" (1/1) ... [2020-07-10 19:00:38,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38" (1/1) ... [2020-07-10 19:00:38,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 19:00:38,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 19:00:38,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 19:00:38,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 19:00:38,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38" (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 [2020-07-10 19:00:38,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 19:00:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 19:00:38,739 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 19:00:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 19:00:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 19:00:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 19:00:38,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 19:00:38,893 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 19:00:38,894 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 19:00:38,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:00:38 BoogieIcfgContainer [2020-07-10 19:00:38,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 19:00:38,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 19:00:38,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 19:00:38,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 19:00:38,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 07:00:38" (1/3) ... [2020-07-10 19:00:38,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b4f276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:00:38, skipping insertion in model container [2020-07-10 19:00:38,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 07:00:38" (2/3) ... [2020-07-10 19:00:38,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b4f276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 07:00:38, skipping insertion in model container [2020-07-10 19:00:38,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 07:00:38" (3/3) ... [2020-07-10 19:00:38,906 INFO L109 eAbstractionObserver]: Analyzing ICFG just_assert.i [2020-07-10 19:00:38,916 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-10 19:00:38,923 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 19:00:38,937 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 19:00:38,955 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 19:00:38,956 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 19:00:38,956 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-10 19:00:38,956 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 19:00:38,956 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 19:00:38,956 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 19:00:38,956 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 19:00:38,956 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 19:00:38,971 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-07-10 19:00:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-10 19:00:38,980 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 19:00:38,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-10 19:00:38,982 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 19:00:38,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 19:00:38,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1317434133, now seen corresponding path program 1 times [2020-07-10 19:00:38,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-10 19:00:38,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056662749] [2020-07-10 19:00:38,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 19:00:39,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:00:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-10 19:00:39,119 INFO L280 TraceCheckUtils]: 0: Hoare triple {15#true} assume true; {15#true} is VALID [2020-07-10 19:00:39,120 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {15#true} {15#true} #16#return; {15#true} is VALID [2020-07-10 19:00:39,124 INFO L263 TraceCheckUtils]: 0: Hoare triple {15#true} call ULTIMATE.init(); {15#true} is VALID [2020-07-10 19:00:39,124 INFO L280 TraceCheckUtils]: 1: Hoare triple {15#true} assume true; {15#true} is VALID [2020-07-10 19:00:39,125 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {15#true} {15#true} #16#return; {15#true} is VALID [2020-07-10 19:00:39,125 INFO L263 TraceCheckUtils]: 3: Hoare triple {15#true} call #t~ret0 := main(); {15#true} is VALID [2020-07-10 19:00:39,127 INFO L280 TraceCheckUtils]: 4: Hoare triple {15#true} assume false; {16#false} is VALID [2020-07-10 19:00:39,128 INFO L280 TraceCheckUtils]: 5: Hoare triple {16#false} assume !false; {16#false} is VALID [2020-07-10 19:00:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-10 19:00:39,129 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-10 19:00:39,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056662749] [2020-07-10 19:00:39,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-10 19:00:39,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-10 19:00:39,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475476543] [2020-07-10 19:00:39,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-07-10 19:00:39,146 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-10 19:00:39,150 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-10 19:00:39,186 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:00:39,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-10 19:00:39,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-10 19:00:39,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-10 19:00:39,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-10 19:00:39,223 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 2 states. [2020-07-10 19:00:39,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:00:39,302 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-07-10 19:00:39,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-10 19:00:39,303 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-07-10 19:00:39,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-10 19:00:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-10 19:00:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 16 transitions. [2020-07-10 19:00:39,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-10 19:00:39,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 16 transitions. [2020-07-10 19:00:39,321 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 16 transitions. [2020-07-10 19:00:39,363 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:00:39,370 INFO L225 Difference]: With dead ends: 17 [2020-07-10 19:00:39,371 INFO L226 Difference]: Without dead ends: 0 [2020-07-10 19:00:39,374 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-10 19:00:39,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-10 19:00:39,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-10 19:00:39,399 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-10 19:00:39,400 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-10 19:00:39,401 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 19:00:39,401 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 19:00:39,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:00:39,402 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 19:00:39,402 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 19:00:39,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:00:39,403 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:00:39,403 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-10 19:00:39,404 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-10 19:00:39,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-10 19:00:39,404 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-10 19:00:39,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 19:00:39,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:00:39,405 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-10 19:00:39,405 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-10 19:00:39,406 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-10 19:00:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-10 19:00:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-10 19:00:39,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-07-10 19:00:39,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-10 19:00:39,408 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-10 19:00:39,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-10 19:00:39,409 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 0 states and 0 transitions. [2020-07-10 19:00:39,409 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-10 19:00:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-10 19:00:39,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-10 19:00:39,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 19:00:39,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-10 19:00:39,490 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-10 19:00:39,491 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-10 19:00:39,491 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-10 19:00:39,491 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-10 19:00:39,492 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-10 19:00:39,492 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-10 19:00:39,492 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) the Hoare annotation is: false [2020-07-10 19:00:39,493 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 5 11) the Hoare annotation is: true [2020-07-10 19:00:39,493 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 5 11) the Hoare annotation is: true [2020-07-10 19:00:39,493 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 5 11) the Hoare annotation is: true [2020-07-10 19:00:39,493 INFO L264 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: false [2020-07-10 19:00:39,494 INFO L271 CegarLoopResult]: At program point L7-1(lines 7 9) the Hoare annotation is: true [2020-07-10 19:00:39,501 INFO L163 areAnnotationChecker]: CFG has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 19:00:39,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 07:00:39 BoogieIcfgContainer [2020-07-10 19:00:39,509 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 19:00:39,513 INFO L168 Benchmark]: Toolchain (without parser) took 1246.37 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 102.2 MB in the beginning and 133.6 MB in the end (delta: -31.3 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:39,515 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-10 19:00:39,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.06 ms. Allocated memory is still 143.7 MB. Free memory was 101.8 MB in the beginning and 92.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:39,517 INFO L168 Benchmark]: Boogie Preprocessor took 31.27 ms. Allocated memory is still 143.7 MB. Free memory was 92.9 MB in the beginning and 91.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:39,518 INFO L168 Benchmark]: RCFGBuilder took 306.76 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 91.6 MB in the beginning and 170.1 MB in the end (delta: -78.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:39,519 INFO L168 Benchmark]: TraceAbstraction took 610.95 ms. Allocated memory is still 200.8 MB. Free memory was 170.1 MB in the beginning and 133.6 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2020-07-10 19:00:39,523 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 290.06 ms. Allocated memory is still 143.7 MB. Free memory was 101.8 MB in the beginning and 92.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.27 ms. Allocated memory is still 143.7 MB. Free memory was 92.9 MB in the beginning and 91.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 306.76 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 91.6 MB in the beginning and 170.1 MB in the end (delta: -78.6 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 610.95 ms. Allocated memory is still 200.8 MB. Free memory was 170.1 MB in the beginning and 133.6 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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 - ProcedureContractResult [Line: 5]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 12 LocationsWithAnnotation, 12 PreInvPairs, 17 NumberOfFragments, 12 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...