/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/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-23 21:56:34,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-23 21:56:34,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-23 21:56:34,962 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-23 21:56:34,971 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-23 21:56:34,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-23 21:56:34,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-23 21:56:34,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-23 21:56:34,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-23 21:56:34,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-23 21:56:34,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-23 21:56:34,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-23 21:56:34,981 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-23 21:56:34,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-23 21:56:34,983 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-23 21:56:34,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-23 21:56:34,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-23 21:56:34,996 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 [2019-11-23 21:56:35,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-23 21:56:35,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-23 21:56:35,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-23 21:56:35,020 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-23 21:56:35,020 INFO L138 SettingsManager]: * Use SBE=true [2019-11-23 21:56:35,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-23 21:56:35,020 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-23 21:56:35,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-23 21:56:35,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-23 21:56:35,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-23 21:56:35,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-23 21:56:35,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-23 21:56:35,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-23 21:56:35,022 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-23 21:56:35,023 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-23 21:56:35,023 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-23 21:56:35,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-23 21:56:35,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-23 21:56:35,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-23 21:56:35,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-23 21:56:35,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-23 21:56:35,024 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-23 21:56:35,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-23 21:56:35,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-23 21:56:35,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-23 21:56:35,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-23 21:56:35,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-23 21:56:35,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-23 21:56:35,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-23 21:56:35,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-23 21:56:35,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-23 21:56:35,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-23 21:56:35,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-23 21:56:35,313 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-23 21:56:35,313 INFO L275 PluginConnector]: CDTParser initialized [2019-11-23 21:56:35,314 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2019-11-23 21:56:35,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/034d4fbfa/7cb097b950514a839732bf032ee36ce1/FLAGdd41ccc4b [2019-11-23 21:56:35,874 INFO L306 CDTParser]: Found 1 translation units. [2019-11-23 21:56:35,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2019-11-23 21:56:35,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/034d4fbfa/7cb097b950514a839732bf032ee36ce1/FLAGdd41ccc4b [2019-11-23 21:56:36,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/034d4fbfa/7cb097b950514a839732bf032ee36ce1 [2019-11-23 21:56:36,239 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-23 21:56:36,241 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-23 21:56:36,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-23 21:56:36,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-23 21:56:36,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-23 21:56:36,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb64901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36, skipping insertion in model container [2019-11-23 21:56:36,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-23 21:56:36,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-23 21:56:36,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:56:36,469 INFO L203 MainTranslator]: Completed pre-run [2019-11-23 21:56:36,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-23 21:56:36,609 INFO L208 MainTranslator]: Completed translation [2019-11-23 21:56:36,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36 WrapperNode [2019-11-23 21:56:36,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-23 21:56:36,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-23 21:56:36,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-23 21:56:36,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-23 21:56:36,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-23 21:56:36,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-23 21:56:36,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-23 21:56:36,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-23 21:56:36,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (1/1) ... [2019-11-23 21:56:36,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-23 21:56:36,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-23 21:56:36,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-23 21:56:36,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-23 21:56:36,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (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 [2019-11-23 21:56:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-23 21:56:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-23 21:56:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-23 21:56:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-23 21:56:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-23 21:56:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-23 21:56:37,119 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-23 21:56:37,119 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-11-23 21:56:37,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:56:37 BoogieIcfgContainer [2019-11-23 21:56:37,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-23 21:56:37,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-23 21:56:37,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-23 21:56:37,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-23 21:56:37,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:56:36" (1/3) ... [2019-11-23 21:56:37,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1335fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:56:37, skipping insertion in model container [2019-11-23 21:56:37,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:56:36" (2/3) ... [2019-11-23 21:56:37,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1335fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:56:37, skipping insertion in model container [2019-11-23 21:56:37,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:56:37" (3/3) ... [2019-11-23 21:56:37,129 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2019-11-23 21:56:37,139 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-23 21:56:37,147 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-23 21:56:37,158 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-23 21:56:37,183 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-23 21:56:37,184 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-23 21:56:37,184 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-23 21:56:37,184 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-23 21:56:37,184 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-23 21:56:37,184 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-23 21:56:37,184 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-23 21:56:37,184 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-23 21:56:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2019-11-23 21:56:37,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-23 21:56:37,203 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:56:37,204 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:56:37,205 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:56:37,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:56:37,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1391500388, now seen corresponding path program 1 times [2019-11-23 21:56:37,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:56:37,219 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193481932] [2019-11-23 21:56:37,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:56:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:56:37,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:56:37,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193481932] [2019-11-23 21:56:37,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:56:37,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:56:37,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119835213] [2019-11-23 21:56:37,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:56:37,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:56:37,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:56:37,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:56:37,431 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 5 states. [2019-11-23 21:56:37,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:56:37,570 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2019-11-23 21:56:37,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-23 21:56:37,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-11-23 21:56:37,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:56:37,583 INFO L225 Difference]: With dead ends: 37 [2019-11-23 21:56:37,583 INFO L226 Difference]: Without dead ends: 25 [2019-11-23 21:56:37,587 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-23 21:56:37,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-23 21:56:37,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-23 21:56:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-23 21:56:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-11-23 21:56:37,627 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 10 [2019-11-23 21:56:37,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:56:37,628 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-11-23 21:56:37,628 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:56:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2019-11-23 21:56:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-23 21:56:37,629 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:56:37,629 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:56:37,630 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:56:37,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:56:37,630 INFO L82 PathProgramCache]: Analyzing trace with hash -545430346, now seen corresponding path program 1 times [2019-11-23 21:56:37,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:56:37,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065243555] [2019-11-23 21:56:37,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:56:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:56:37,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:56:37,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065243555] [2019-11-23 21:56:37,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:56:37,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-23 21:56:37,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658906116] [2019-11-23 21:56:37,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-23 21:56:37,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:56:37,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-23 21:56:37,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-23 21:56:37,743 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 5 states. [2019-11-23 21:56:37,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:56:37,809 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2019-11-23 21:56:37,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-23 21:56:37,809 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-11-23 21:56:37,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:56:37,810 INFO L225 Difference]: With dead ends: 31 [2019-11-23 21:56:37,810 INFO L226 Difference]: Without dead ends: 25 [2019-11-23 21:56:37,811 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-23 21:56:37,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-23 21:56:37,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-11-23 21:56:37,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-11-23 21:56:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-11-23 21:56:37,818 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 13 [2019-11-23 21:56:37,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:56:37,818 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-11-23 21:56:37,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-23 21:56:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-11-23 21:56:37,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-23 21:56:37,819 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:56:37,819 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:56:37,820 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:56:37,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:56:37,820 INFO L82 PathProgramCache]: Analyzing trace with hash 116488903, now seen corresponding path program 1 times [2019-11-23 21:56:37,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:56:37,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337048112] [2019-11-23 21:56:37,821 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:56:37,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:56:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:56:37,946 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337048112] [2019-11-23 21:56:37,946 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:56:37,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:56:37,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033682058] [2019-11-23 21:56:37,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:56:37,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:56:37,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:56:37,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:56:37,950 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 3 states. [2019-11-23 21:56:37,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:56:37,964 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2019-11-23 21:56:37,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:56:37,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-23 21:56:37,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:56:37,966 INFO L225 Difference]: With dead ends: 34 [2019-11-23 21:56:37,966 INFO L226 Difference]: Without dead ends: 21 [2019-11-23 21:56:37,966 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:56:37,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-23 21:56:37,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-23 21:56:37,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-23 21:56:37,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2019-11-23 21:56:37,972 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 18 [2019-11-23 21:56:37,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:56:37,972 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2019-11-23 21:56:37,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:56:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2019-11-23 21:56:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-23 21:56:37,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-23 21:56:37,974 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-23 21:56:37,974 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-23 21:56:37,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-23 21:56:37,974 INFO L82 PathProgramCache]: Analyzing trace with hash -733347331, now seen corresponding path program 1 times [2019-11-23 21:56:37,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-23 21:56:37,975 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911502764] [2019-11-23 21:56:37,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-23 21:56:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-23 21:56:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-23 21:56:38,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911502764] [2019-11-23 21:56:38,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-23 21:56:38,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-23 21:56:38,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003605127] [2019-11-23 21:56:38,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-23 21:56:38,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-23 21:56:38,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-23 21:56:38,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:56:38,029 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 3 states. [2019-11-23 21:56:38,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-23 21:56:38,047 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2019-11-23 21:56:38,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-23 21:56:38,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2019-11-23 21:56:38,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-23 21:56:38,050 INFO L225 Difference]: With dead ends: 22 [2019-11-23 21:56:38,050 INFO L226 Difference]: Without dead ends: 0 [2019-11-23 21:56:38,050 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-23 21:56:38,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-23 21:56:38,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-23 21:56:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-23 21:56:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-23 21:56:38,052 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2019-11-23 21:56:38,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-23 21:56:38,052 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-23 21:56:38,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-23 21:56:38,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-23 21:56:38,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-23 21:56:38,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-23 21:56:38,272 INFO L440 ceAbstractionStarter]: At program point L56(lines 55 57) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-23 21:56:38,272 INFO L444 ceAbstractionStarter]: For program point L48(lines 48 51) no Hoare annotation was computed. [2019-11-23 21:56:38,273 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 48 51) no Hoare annotation was computed. [2019-11-23 21:56:38,273 INFO L440 ceAbstractionStarter]: At program point L131(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0))) (.cse2 (not (= ~tmp_slot~0.base 0))) (.cse3 (not (= 0 |ULTIMATE.start_kzalloc_#res.base|)))) (or (and .cse0 (= ~used_tmp_slot~0 1) .cse1 .cse2 .cse3) (and .cse0 (= ~freed_tmp_slot~0 1) .cse1 .cse2 .cse3))) [2019-11-23 21:56:38,273 INFO L444 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-11-23 21:56:38,273 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-23 21:56:38,274 INFO L440 ceAbstractionStarter]: At program point L127(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0))) (.cse2 (not (= ~tmp_slot~0.base 0))) (.cse3 (not (= 0 |ULTIMATE.start_kzalloc_#res.base|)))) (or (and .cse0 (= ~used_tmp_slot~0 1) .cse1 .cse2 .cse3) (and .cse0 (= ~freed_tmp_slot~0 1) .cse1 .cse2 .cse3))) [2019-11-23 21:56:38,275 INFO L444 ceAbstractionStarter]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-11-23 21:56:38,275 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-23 21:56:38,275 INFO L444 ceAbstractionStarter]: For program point L-1-2(line -1) no Hoare annotation was computed. [2019-11-23 21:56:38,275 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-23 21:56:38,276 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-23 21:56:38,276 INFO L444 ceAbstractionStarter]: For program point L86(lines 86 89) no Hoare annotation was computed. [2019-11-23 21:56:38,276 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2019-11-23 21:56:38,276 INFO L444 ceAbstractionStarter]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2019-11-23 21:56:38,276 INFO L444 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2019-11-23 21:56:38,276 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-11-23 21:56:38,276 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-23 21:56:38,277 INFO L444 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2019-11-23 21:56:38,277 INFO L444 ceAbstractionStarter]: For program point L116(lines 116 117) no Hoare annotation was computed. [2019-11-23 21:56:38,278 INFO L440 ceAbstractionStarter]: At program point L46(line 46) the Hoare annotation is: (and (= ~freed_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-23 21:56:38,279 INFO L440 ceAbstractionStarter]: At program point L46-1(line 46) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~freed_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-23 21:56:38,280 INFO L444 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-11-23 21:56:38,280 INFO L440 ceAbstractionStarter]: At program point L63(lines 61 64) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-23 21:56:38,281 INFO L440 ceAbstractionStarter]: At program point L121(lines 71 132) the Hoare annotation is: (let ((.cse0 (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base))) (.cse1 (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0))) (.cse2 (not (= ~tmp_slot~0.base 0))) (.cse3 (not (= 0 |ULTIMATE.start_kzalloc_#res.base|)))) (or (and .cse0 (= ~used_tmp_slot~0 1) .cse1 .cse2 .cse3) (and .cse0 (= ~freed_tmp_slot~0 1) .cse1 .cse2 .cse3))) [2019-11-23 21:56:38,281 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-23 21:56:38,281 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 138) no Hoare annotation was computed. [2019-11-23 21:56:38,281 INFO L440 ceAbstractionStarter]: At program point L68(lines 66 69) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0.base)) (= ~used_tmp_slot~0 1) (not (= |ULTIMATE.start_kzalloc_#t~malloc0.base| 0)) (not (= ~tmp_slot~0.base 0)) (not (= 0 |ULTIMATE.start_kzalloc_#res.base|))) [2019-11-23 21:56:38,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:56:38 BoogieIcfgContainer [2019-11-23 21:56:38,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-23 21:56:38,333 INFO L168 Benchmark]: Toolchain (without parser) took 2088.86 ms. Allocated memory was 145.2 MB in the beginning and 235.9 MB in the end (delta: 90.7 MB). Free memory was 101.4 MB in the beginning and 193.0 MB in the end (delta: -91.5 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:38,335 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-23 21:56:38,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.36 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.4 MB in the beginning and 181.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:38,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.33 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 179.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:38,340 INFO L168 Benchmark]: Boogie Preprocessor took 26.60 ms. Allocated memory is still 203.4 MB. Free memory was 179.0 MB in the beginning and 178.0 MB in the end (delta: 953.9 kB). Peak memory consumption was 953.9 kB. Max. memory is 7.1 GB. [2019-11-23 21:56:38,340 INFO L168 Benchmark]: RCFGBuilder took 423.09 ms. Allocated memory is still 203.4 MB. Free memory was 178.0 MB in the beginning and 156.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:38,342 INFO L168 Benchmark]: TraceAbstraction took 1205.57 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 156.1 MB in the beginning and 193.0 MB in the end (delta: -36.9 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. [2019-11-23 21:56:38,351 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 368.36 ms. Allocated memory was 145.2 MB in the beginning and 203.4 MB in the end (delta: 58.2 MB). Free memory was 101.4 MB in the beginning and 181.8 MB in the end (delta: -80.4 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 60.33 ms. Allocated memory is still 203.4 MB. Free memory was 180.9 MB in the beginning and 179.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.60 ms. Allocated memory is still 203.4 MB. Free memory was 179.0 MB in the beginning and 178.0 MB in the end (delta: 953.9 kB). Peak memory consumption was 953.9 kB. Max. memory is 7.1 GB. * RCFGBuilder took 423.09 ms. Allocated memory is still 203.4 MB. Free memory was 178.0 MB in the beginning and 156.1 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1205.57 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 156.1 MB in the beginning and 193.0 MB in the end (delta: -36.9 MB). Peak memory consumption was 74.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 71]: Loop Invariant Derived loop invariant: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(0 == \result) - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(0 == hp_slot_ptr) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (freed_tmp_slot == 1 && !(calloc(1, size) == 0)) && !(0 == \result) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) || ((((!(0 == hp_slot_ptr) && freed_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((!(0 == hp_slot_ptr) && used_tmp_slot == 1) && !(calloc(1, size) == 0)) && !(tmp_slot == 0)) && !(0 == \result) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 93 SDtfs, 176 SDslu, 29 SDs, 0 SdLazy, 33 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 208 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 1458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...