/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/termination-crafted/SyntaxSupportPointer01-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 19:43:57,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 19:43:57,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 19:43:57,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 19:43:57,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 19:43:57,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 19:43:57,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 19:43:57,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 19:43:57,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 19:43:57,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 19:43:57,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 19:43:57,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 19:43:57,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 19:43:57,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 19:43:57,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 19:43:57,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 19:43:57,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 19:43:57,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 19:43:57,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 19:43:57,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 19:43:57,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 19:43:57,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 19:43:57,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 19:43:57,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 19:43:57,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 19:43:57,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 19:43:57,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 19:43:57,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 19:43:57,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 19:43:57,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 19:43:57,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 19:43:57,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 19:43:57,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 19:43:57,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 19:43:57,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 19:43:57,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 19:43:57,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 19:43:57,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 19:43:57,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 19:43:57,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 19:43:57,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 19:43:57,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-22 19:43:57,392 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 19:43:57,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 19:43:57,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 19:43:57,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 19:43:57,397 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 19:43:57,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 19:43:57,397 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-22 19:43:57,397 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 19:43:57,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 19:43:57,398 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-22 19:43:57,398 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-22 19:43:57,398 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-22 19:43:57,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 19:43:57,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-22 19:43:57,399 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 19:43:57,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 19:43:57,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 19:43:57,400 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 19:43:57,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 19:43:57,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 19:43:57,400 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 19:43:57,401 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 19:43:57,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 19:43:57,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 19:43:57,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 19:43:57,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 19:43:57,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 19:43:57,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 19:43:57,831 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 19:43:57,832 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 19:43:57,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2020-12-22 19:43:57,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b6bae7a/7d7460cfa64c47779a204b38c0d134a7/FLAG9f3493fa4 [2020-12-22 19:43:58,604 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 19:43:58,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2020-12-22 19:43:58,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b6bae7a/7d7460cfa64c47779a204b38c0d134a7/FLAG9f3493fa4 [2020-12-22 19:43:58,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b6bae7a/7d7460cfa64c47779a204b38c0d134a7 [2020-12-22 19:43:58,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 19:43:58,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 19:43:58,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 19:43:58,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 19:43:58,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 19:43:58,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:43:58" (1/1) ... [2020-12-22 19:43:58,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208e478c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:58, skipping insertion in model container [2020-12-22 19:43:58,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 07:43:58" (1/1) ... [2020-12-22 19:43:58,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 19:43:59,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 19:43:59,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:43:59,239 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 19:43:59,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 19:43:59,274 INFO L208 MainTranslator]: Completed translation [2020-12-22 19:43:59,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59 WrapperNode [2020-12-22 19:43:59,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 19:43:59,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 19:43:59,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 19:43:59,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 19:43:59,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (1/1) ... [2020-12-22 19:43:59,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (1/1) ... [2020-12-22 19:43:59,317 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 19:43:59,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 19:43:59,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 19:43:59,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 19:43:59,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (1/1) ... [2020-12-22 19:43:59,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (1/1) ... [2020-12-22 19:43:59,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (1/1) ... [2020-12-22 19:43:59,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (1/1) ... [2020-12-22 19:43:59,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (1/1) ... [2020-12-22 19:43:59,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (1/1) ... [2020-12-22 19:43:59,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (1/1) ... [2020-12-22 19:43:59,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 19:43:59,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 19:43:59,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 19:43:59,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 19:43:59,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (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 19:43:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 19:43:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 19:43:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 19:43:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 19:43:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 19:43:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 19:43:59,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 19:43:59,886 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-22 19:43:59,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:43:59 BoogieIcfgContainer [2020-12-22 19:43:59,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 19:43:59,890 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 19:43:59,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 19:43:59,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 19:43:59,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 07:43:58" (1/3) ... [2020-12-22 19:43:59,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7f989c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:43:59, skipping insertion in model container [2020-12-22 19:43:59,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 07:43:59" (2/3) ... [2020-12-22 19:43:59,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b7f989c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 07:43:59, skipping insertion in model container [2020-12-22 19:43:59,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:43:59" (3/3) ... [2020-12-22 19:43:59,901 INFO L111 eAbstractionObserver]: Analyzing ICFG SyntaxSupportPointer01-1.c [2020-12-22 19:43:59,909 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 19:43:59,915 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-12-22 19:43:59,939 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-12-22 19:43:59,968 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 19:43:59,969 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-22 19:43:59,969 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 19:43:59,969 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 19:43:59,969 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 19:43:59,970 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 19:43:59,970 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 19:43:59,970 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 19:43:59,988 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-12-22 19:43:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:43:59,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:43:59,997 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:43:59,997 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:44:00,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:44:00,005 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-22 19:44:00,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:44:00,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534293846] [2020-12-22 19:44:00,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:44:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:44:00,257 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 19:44:00,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534293846] [2020-12-22 19:44:00,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:44:00,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:44:00,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279193787] [2020-12-22 19:44:00,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:44:00,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:44:00,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:44:00,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:44:00,295 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 3 states. [2020-12-22 19:44:00,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:44:00,496 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2020-12-22 19:44:00,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:44:00,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 19:44:00,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:44:00,511 INFO L225 Difference]: With dead ends: 23 [2020-12-22 19:44:00,512 INFO L226 Difference]: Without dead ends: 21 [2020-12-22 19:44:00,513 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 19:44:00,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-22 19:44:00,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-22 19:44:00,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-22 19:44:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-12-22 19:44:00,558 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 3 [2020-12-22 19:44:00,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:44:00,558 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-12-22 19:44:00,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:44:00,559 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-12-22 19:44:00,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-22 19:44:00,559 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:44:00,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-22 19:44:00,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 19:44:00,561 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:44:00,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:44:00,562 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-12-22 19:44:00,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:44:00,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058438147] [2020-12-22 19:44:00,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:44:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:44:00,631 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 19:44:00,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058438147] [2020-12-22 19:44:00,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:44:00,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:44:00,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820958534] [2020-12-22 19:44:00,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:44:00,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:44:00,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:44:00,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:44:00,636 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 3 states. [2020-12-22 19:44:00,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:44:00,688 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-12-22 19:44:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:44:00,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-22 19:44:00,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:44:00,690 INFO L225 Difference]: With dead ends: 16 [2020-12-22 19:44:00,690 INFO L226 Difference]: Without dead ends: 16 [2020-12-22 19:44:00,691 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 19:44:00,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-22 19:44:00,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-22 19:44:00,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-22 19:44:00,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-12-22 19:44:00,695 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 3 [2020-12-22 19:44:00,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:44:00,696 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-12-22 19:44:00,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:44:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-12-22 19:44:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-22 19:44:00,697 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:44:00,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:44:00,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 19:44:00,698 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:44:00,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:44:00,699 INFO L82 PathProgramCache]: Analyzing trace with hash 59325548, now seen corresponding path program 1 times [2020-12-22 19:44:00,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:44:00,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388995542] [2020-12-22 19:44:00,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:44:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:44:00,737 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 19:44:00,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388995542] [2020-12-22 19:44:00,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:44:00,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 19:44:00,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165637632] [2020-12-22 19:44:00,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 19:44:00,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:44:00,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 19:44:00,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 19:44:00,741 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2020-12-22 19:44:00,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:44:00,755 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2020-12-22 19:44:00,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 19:44:00,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-12-22 19:44:00,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:44:00,756 INFO L225 Difference]: With dead ends: 15 [2020-12-22 19:44:00,756 INFO L226 Difference]: Without dead ends: 15 [2020-12-22 19:44:00,757 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 19:44:00,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-22 19:44:00,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-22 19:44:00,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-22 19:44:00,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-12-22 19:44:00,760 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2020-12-22 19:44:00,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:44:00,761 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-12-22 19:44:00,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 19:44:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-12-22 19:44:00,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-22 19:44:00,762 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 19:44:00,762 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 19:44:00,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 19:44:00,763 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr9ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2REQUIRES_VIOLATION]=== [2020-12-22 19:44:00,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 19:44:00,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1177278863, now seen corresponding path program 1 times [2020-12-22 19:44:00,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 19:44:00,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793361075] [2020-12-22 19:44:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 19:44:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 19:44:00,823 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 19:44:00,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793361075] [2020-12-22 19:44:00,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 19:44:00,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 19:44:00,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668251123] [2020-12-22 19:44:00,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 19:44:00,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 19:44:00,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 19:44:00,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 19:44:00,827 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2020-12-22 19:44:00,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 19:44:00,870 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-12-22 19:44:00,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 19:44:00,871 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-22 19:44:00,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 19:44:00,872 INFO L225 Difference]: With dead ends: 14 [2020-12-22 19:44:00,872 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 19:44:00,873 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 19:44:00,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 19:44:00,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 19:44:00,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 19:44:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 19:44:00,874 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-12-22 19:44:00,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 19:44:00,874 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 19:44:00,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 19:44:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 19:44:00,875 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 19:44:00,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 19:44:00,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 07:44:00 BoogieIcfgContainer [2020-12-22 19:44:00,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 19:44:00,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 19:44:00,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 19:44:00,883 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 19:44:00,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 07:43:59" (3/4) ... [2020-12-22 19:44:00,887 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 19:44:00,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-22 19:44:00,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-22 19:44:00,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 19:44:00,949 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/termination-crafted/SyntaxSupportPointer01-1.c-witness.graphml [2020-12-22 19:44:00,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 19:44:00,951 INFO L168 Benchmark]: Toolchain (without parser) took 1985.04 ms. Allocated memory is still 155.2 MB. Free memory was 129.8 MB in the beginning and 61.8 MB in the end (delta: 67.9 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2020-12-22 19:44:00,952 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory was 130.2 MB in the beginning and 130.1 MB in the end (delta: 91.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 19:44:00,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.12 ms. Allocated memory is still 155.2 MB. Free memory was 129.4 MB in the beginning and 120.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-22 19:44:00,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.28 ms. Allocated memory is still 155.2 MB. Free memory was 120.3 MB in the beginning and 118.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:44:00,955 INFO L168 Benchmark]: Boogie Preprocessor took 25.67 ms. Allocated memory is still 155.2 MB. Free memory was 118.9 MB in the beginning and 117.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-22 19:44:00,956 INFO L168 Benchmark]: RCFGBuilder took 543.64 ms. Allocated memory is still 155.2 MB. Free memory was 117.9 MB in the beginning and 104.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-12-22 19:44:00,957 INFO L168 Benchmark]: TraceAbstraction took 991.21 ms. Allocated memory is still 155.2 MB. Free memory was 104.0 MB in the beginning and 64.2 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. [2020-12-22 19:44:00,957 INFO L168 Benchmark]: Witness Printer took 66.89 ms. Allocated memory is still 155.2 MB. Free memory was 64.2 MB in the beginning and 61.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-22 19:44:00,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 155.2 MB. Free memory was 130.2 MB in the beginning and 130.1 MB in the end (delta: 91.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 308.12 ms. Allocated memory is still 155.2 MB. Free memory was 129.4 MB in the beginning and 120.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.28 ms. Allocated memory is still 155.2 MB. Free memory was 120.3 MB in the beginning and 118.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.67 ms. Allocated memory is still 155.2 MB. Free memory was 118.9 MB in the beginning and 117.9 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 543.64 ms. Allocated memory is still 155.2 MB. Free memory was 117.9 MB in the beginning and 104.2 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 991.21 ms. Allocated memory is still 155.2 MB. Free memory was 104.0 MB in the beginning and 64.2 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 8.0 GB. * Witness Printer took 66.89 ms. Allocated memory is still 155.2 MB. Free memory was 64.2 MB in the beginning and 61.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 19]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 17]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 12 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 37 SDtfs, 44 SDslu, 8 SDs, 0 SdLazy, 44 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 663 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 correct! Received shutdown request...