/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 19:17:31,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 19:17:31,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 19:17:31,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 19:17:31,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 19:17:31,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 19:17:31,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 19:17:31,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 19:17:31,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 19:17:31,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 19:17:31,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 19:17:31,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 19:17:31,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 19:17:31,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 19:17:31,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 19:17:31,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 19:17:31,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 19:17:31,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 19:17:31,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 19:17:31,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 19:17:31,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 19:17:31,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 19:17:31,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 19:17:31,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 19:17:31,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-22 19:17:31,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-22 19:17:31,587 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 19:17:31,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 19:17:31,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 19:17:31,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 19:17:31,593 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 19:17:31,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 19:17:31,593 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-22 19:17:31,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 19:17:31,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 19:17:31,594 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-22 19:17:31,595 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-22 19:17:31,595 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-22 19:17:31,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 19:17:31,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-22 19:17:31,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 19:17:31,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 19:17:31,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 19:17:31,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 19:17:31,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:17:31,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 19:17:31,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 19:17:31,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 19:17:31,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 19:17:31,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 19:17:31,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 19:17:32,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 19:17:32,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 19:17:32,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 19:17:32,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 19:17:32,081 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 19:17:32,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2020-12-22 19:17:32,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e205e63b0/b87361b27b314482807cc420c9901114/FLAG11437e930 [2020-12-22 19:17:32,876 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 19:17:32,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2020-12-22 19:17:32,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e205e63b0/b87361b27b314482807cc420c9901114/FLAG11437e930 [2020-12-22 19:17:33,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e205e63b0/b87361b27b314482807cc420c9901114 [2020-12-22 19:17:33,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 19:17:33,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 19:17:33,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 19:17:33,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 19:17:33,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 19:17:33,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7a8363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33, skipping insertion in model container [2020-12-22 19:17:33,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 19:17:33,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 19:17:33,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:17:33,517 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 19:17:33,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:17:33,557 INFO L208 MainTranslator]: Completed translation [2020-12-22 19:17:33,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33 WrapperNode [2020-12-22 19:17:33,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 19:17:33,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 19:17:33,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 19:17:33,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 19:17:33,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 19:17:33,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 19:17:33,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 19:17:33,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 19:17:33,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (1/1) ... [2020-12-22 19:17:33,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 19:17:33,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 19:17:33,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 19:17:33,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 19:17:33,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (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 [2020-12-22 19:17:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 19:17:33,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 19:17:33,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 19:17:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 19:17:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 19:17:33,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 19:17:34,237 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 19:17:34,237 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-22 19:17:34,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:17:34 BoogieIcfgContainer [2020-12-22 19:17:34,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 19:17:34,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 19:17:34,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 19:17:34,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 19:17:34,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:17:33" (1/3) ... [2020-12-22 19:17:34,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46911523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:17:34, skipping insertion in model container [2020-12-22 19:17:34,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:17:33" (2/3) ... [2020-12-22 19:17:34,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46911523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:17:34, skipping insertion in model container [2020-12-22 19:17:34,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:17:34" (3/3) ... [2020-12-22 19:17:34,248 INFO L111 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength2_-write.c [2020-12-22 19:17:34,255 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 19:17:34,261 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-22 19:17:34,282 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-22 19:17:34,306 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 19:17:34,307 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-22 19:17:34,307 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 19:17:34,307 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 19:17:34,307 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 19:17:34,307 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 19:17:34,308 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 19:17:34,308 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 19:17:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2020-12-22 19:17:34,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-22 19:17:34,332 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:17:34,333 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-22 19:17:34,334 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:17:34,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:17:34,341 INFO L82 PathProgramCache]: Analyzing trace with hash 28698921, now seen corresponding path program 1 times [2020-12-22 19:17:34,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:17:34,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104012267] [2020-12-22 19:17:34,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:17:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:17:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:17:34,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104012267] [2020-12-22 19:17:34,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:17:34,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:17:34,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633196321] [2020-12-22 19:17:34,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:17:34,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:17:34,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:17:34,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:17:34,617 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2020-12-22 19:17:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:17:34,798 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2020-12-22 19:17:34,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:17:34,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-22 19:17:34,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:17:34,810 INFO L225 Difference]: With dead ends: 38 [2020-12-22 19:17:34,810 INFO L226 Difference]: Without dead ends: 36 [2020-12-22 19:17:34,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:17:34,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-12-22 19:17:34,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-12-22 19:17:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-12-22 19:17:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2020-12-22 19:17:34,850 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 5 [2020-12-22 19:17:34,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:17:34,851 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2020-12-22 19:17:34,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:17:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2020-12-22 19:17:34,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-22 19:17:34,852 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:17:34,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-22 19:17:34,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 19:17:34,853 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:17:34,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:17:34,854 INFO L82 PathProgramCache]: Analyzing trace with hash 28698922, now seen corresponding path program 1 times [2020-12-22 19:17:34,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:17:34,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726709235] [2020-12-22 19:17:34,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:17:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:17:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:17:34,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726709235] [2020-12-22 19:17:34,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:17:34,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:17:34,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501696157] [2020-12-22 19:17:34,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:17:34,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:17:34,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:17:34,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:17:34,977 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 4 states. [2020-12-22 19:17:35,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:17:35,138 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2020-12-22 19:17:35,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 19:17:35,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-12-22 19:17:35,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:17:35,143 INFO L225 Difference]: With dead ends: 95 [2020-12-22 19:17:35,143 INFO L226 Difference]: Without dead ends: 95 [2020-12-22 19:17:35,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 19:17:35,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-12-22 19:17:35,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 39. [2020-12-22 19:17:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-12-22 19:17:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2020-12-22 19:17:35,166 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 5 [2020-12-22 19:17:35,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:17:35,167 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2020-12-22 19:17:35,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:17:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2020-12-22 19:17:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 19:17:35,170 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:17:35,171 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-22 19:17:35,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 19:17:35,172 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:17:35,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:17:35,173 INFO L82 PathProgramCache]: Analyzing trace with hash 889656834, now seen corresponding path program 1 times [2020-12-22 19:17:35,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:17:35,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948140111] [2020-12-22 19:17:35,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:17:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:17:35,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:17:35,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948140111] [2020-12-22 19:17:35,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:17:35,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:17:35,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909670132] [2020-12-22 19:17:35,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:17:35,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:17:35,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:17:35,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:17:35,229 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand 3 states. [2020-12-22 19:17:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:17:35,265 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2020-12-22 19:17:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:17:35,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-22 19:17:35,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:17:35,267 INFO L225 Difference]: With dead ends: 62 [2020-12-22 19:17:35,267 INFO L226 Difference]: Without dead ends: 62 [2020-12-22 19:17:35,267 INFO L677 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 [2020-12-22 19:17:35,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-12-22 19:17:35,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 38. [2020-12-22 19:17:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-22 19:17:35,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2020-12-22 19:17:35,274 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 6 [2020-12-22 19:17:35,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:17:35,274 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2020-12-22 19:17:35,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:17:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2020-12-22 19:17:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 19:17:35,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:17:35,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-22 19:17:35,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 19:17:35,275 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:17:35,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:17:35,276 INFO L82 PathProgramCache]: Analyzing trace with hash 889666543, now seen corresponding path program 1 times [2020-12-22 19:17:35,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:17:35,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917067198] [2020-12-22 19:17:35,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:17:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:17:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 19:17:35,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917067198] [2020-12-22 19:17:35,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:17:35,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:17:35,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602345694] [2020-12-22 19:17:35,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:17:35,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:17:35,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:17:35,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:17:35,310 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 3 states. [2020-12-22 19:17:35,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:17:35,335 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2020-12-22 19:17:35,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:17:35,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-22 19:17:35,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:17:35,336 INFO L225 Difference]: With dead ends: 37 [2020-12-22 19:17:35,336 INFO L226 Difference]: Without dead ends: 37 [2020-12-22 19:17:35,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:17:35,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-12-22 19:17:35,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-12-22 19:17:35,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-12-22 19:17:35,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2020-12-22 19:17:35,342 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 6 [2020-12-22 19:17:35,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:17:35,342 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2020-12-22 19:17:35,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:17:35,342 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2020-12-22 19:17:35,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-22 19:17:35,343 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:17:35,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-22 19:17:35,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 19:17:35,343 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:17:35,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:17:35,344 INFO L82 PathProgramCache]: Analyzing trace with hash 889666544, now seen corresponding path program 1 times [2020-12-22 19:17:35,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:17:35,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279933309] [2020-12-22 19:17:35,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:17:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 19:17:35,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 19:17:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 19:17:35,385 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 19:17:35,411 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 19:17:35,412 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 19:17:35,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 19:17:35,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 07:17:35 BoogieIcfgContainer [2020-12-22 19:17:35,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 19:17:35,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 19:17:35,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 19:17:35,437 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 19:17:35,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:17:34" (3/4) ... [2020-12-22 19:17:35,440 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-22 19:17:35,479 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/ldv-memsafety/ArraysOfVariableLength2_-write.c-witness.graphml [2020-12-22 19:17:35,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 19:17:35,481 INFO L168 Benchmark]: Toolchain (without parser) took 2229.48 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 86.2 MB in the end (delta: 40.1 MB). Peak memory consumption was 40.7 MB. Max. memory is 8.0 GB. [2020-12-22 19:17:35,482 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:17:35,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.26 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 116.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-22 19:17:35,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.74 ms. Allocated memory is still 151.0 MB. Free memory was 116.6 MB in the beginning and 115.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:17:35,484 INFO L168 Benchmark]: Boogie Preprocessor took 29.21 ms. Allocated memory is still 151.0 MB. Free memory was 115.1 MB in the beginning and 113.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 19:17:35,485 INFO L168 Benchmark]: RCFGBuilder took 604.11 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 95.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-12-22 19:17:35,486 INFO L168 Benchmark]: TraceAbstraction took 1194.72 ms. Allocated memory is still 151.0 MB. Free memory was 95.2 MB in the beginning and 87.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 8.0 GB. [2020-12-22 19:17:35,487 INFO L168 Benchmark]: Witness Printer took 43.02 ms. Allocated memory is still 151.0 MB. Free memory was 87.8 MB in the beginning and 86.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 19:17:35,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 304.26 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 116.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.74 ms. Allocated memory is still 151.0 MB. Free memory was 116.6 MB in the beginning and 115.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.21 ms. Allocated memory is still 151.0 MB. Free memory was 115.1 MB in the beginning and 113.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 604.11 ms. Allocated memory is still 151.0 MB. Free memory was 113.8 MB in the beginning and 95.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1194.72 ms. Allocated memory is still 151.0 MB. Free memory was 95.2 MB in the beginning and 87.8 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.2 MB. Max. memory is 8.0 GB. * Witness Printer took 43.02 ms. Allocated memory is still 151.0 MB. Free memory was 87.8 MB in the beginning and 86.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 23]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L33] i = 0 [L33] COND TRUE i < 100 [L21] int a[n], i; [L22] i = 0 [L22] COND TRUE i < size [L23] EXPR b[i] [L23] a[i] = b[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 120 SDtfs, 174 SDslu, 88 SDs, 0 SdLazy, 132 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 80 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...