/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-bitabs-dcfa08f [2020-12-23 17:36:35,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 17:36:35,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 17:36:35,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 17:36:35,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 17:36:35,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 17:36:35,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 17:36:35,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 17:36:35,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 17:36:35,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 17:36:35,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 17:36:35,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 17:36:35,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 17:36:35,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 17:36:35,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 17:36:35,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 17:36:35,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 17:36:35,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 17:36:35,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 17:36:35,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 17:36:35,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 17:36:35,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 17:36:35,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 17:36:35,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 17:36:35,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 17:36:35,648 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 17:36:35,648 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 17:36:35,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 17:36:35,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 17:36:35,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 17:36:35,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 17:36:35,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 17:36:35,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 17:36:35,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 17:36:35,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 17:36:35,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 17:36:35,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 17:36:35,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 17:36:35,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 17:36:35,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 17:36:35,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 17:36:35,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-12-23 17:36:35,720 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 17:36:35,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 17:36:35,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 17:36:35,723 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 17:36:35,723 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 17:36:35,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 17:36:35,723 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-23 17:36:35,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 17:36:35,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 17:36:35,724 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-23 17:36:35,724 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-23 17:36:35,724 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-23 17:36:35,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 17:36:35,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-23 17:36:35,725 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 17:36:35,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 17:36:35,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 17:36:35,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 17:36:35,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 17:36:35,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 17:36:35,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 17:36:35,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 17:36:35,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 17:36:35,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 17:36:35,729 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-bitabs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 17:36:36,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 17:36:36,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 17:36:36,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 17:36:36,107 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 17:36:36,108 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 17:36:36,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2020-12-23 17:36:36,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/dbbf065f0/57d1d566524a4c83a4f8f6716caff246/FLAGd156095cf [2020-12-23 17:36:36,843 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 17:36:36,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-1.c [2020-12-23 17:36:36,851 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/dbbf065f0/57d1d566524a4c83a4f8f6716caff246/FLAGd156095cf [2020-12-23 17:36:37,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/dbbf065f0/57d1d566524a4c83a4f8f6716caff246 [2020-12-23 17:36:37,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 17:36:37,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 17:36:37,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 17:36:37,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 17:36:37,219 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 17:36:37,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4d96e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37, skipping insertion in model container [2020-12-23 17:36:37,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 17:36:37,242 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: address: IdentifierExpression[~p~0,] [2020-12-23 17:36:37,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:36:37,397 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: address: IdentifierExpression[~p~0,] [2020-12-23 17:36:37,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 17:36:37,427 INFO L208 MainTranslator]: Completed translation [2020-12-23 17:36:37,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37 WrapperNode [2020-12-23 17:36:37,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 17:36:37,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 17:36:37,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 17:36:37,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 17:36:37,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 17:36:37,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 17:36:37,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 17:36:37,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 17:36:37,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... [2020-12-23 17:36:37,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 17:36:37,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 17:36:37,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 17:36:37,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 17:36:37,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 17:36:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 17:36:37,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-23 17:36:37,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 17:36:37,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 17:36:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 17:36:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 17:36:37,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 17:36:37,853 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-23 17:36:37,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:36:37 BoogieIcfgContainer [2020-12-23 17:36:37,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 17:36:37,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 17:36:37,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 17:36:37,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 17:36:37,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:36:37" (1/3) ... [2020-12-23 17:36:37,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb21d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:36:37, skipping insertion in model container [2020-12-23 17:36:37,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:36:37" (2/3) ... [2020-12-23 17:36:37,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cb21d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:36:37, skipping insertion in model container [2020-12-23 17:36:37,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:36:37" (3/3) ... [2020-12-23 17:36:37,872 INFO L111 eAbstractionObserver]: Analyzing ICFG SyntaxSupportPointer01-1.c [2020-12-23 17:36:37,880 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 17:36:37,885 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2020-12-23 17:36:37,907 INFO L253 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2020-12-23 17:36:37,952 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 17:36:37,952 INFO L378 AbstractCegarLoop]: Hoare is false [2020-12-23 17:36:37,953 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 17:36:37,953 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 17:36:37,953 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 17:36:37,953 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 17:36:37,954 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 17:36:37,954 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 17:36:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-12-23 17:36:37,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 17:36:37,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:36:37,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 17:36:37,981 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]=== [2020-12-23 17:36:37,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:36:37,988 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2020-12-23 17:36:37,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:36:37,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511579858] [2020-12-23 17:36:37,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:36:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:36:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:36:38,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511579858] [2020-12-23 17:36:38,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:36:38,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 17:36:38,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557104463] [2020-12-23 17:36:38,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:36:38,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:36:38,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:36:38,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:36:38,193 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 3 states. [2020-12-23 17:36:38,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:36:38,251 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2020-12-23 17:36:38,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:36:38,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 17:36:38,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:36:38,262 INFO L225 Difference]: With dead ends: 23 [2020-12-23 17:36:38,263 INFO L226 Difference]: Without dead ends: 21 [2020-12-23 17:36:38,265 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 [2020-12-23 17:36:38,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-12-23 17:36:38,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-12-23 17:36:38,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-12-23 17:36:38,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2020-12-23 17:36:38,339 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 3 [2020-12-23 17:36:38,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:36:38,339 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2020-12-23 17:36:38,339 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:36:38,339 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2020-12-23 17:36:38,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-23 17:36:38,340 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:36:38,340 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-12-23 17:36:38,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 17:36:38,341 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]=== [2020-12-23 17:36:38,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:36:38,345 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2020-12-23 17:36:38,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:36:38,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991250110] [2020-12-23 17:36:38,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:36:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:36:38,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:36:38,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991250110] [2020-12-23 17:36:38,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:36:38,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 17:36:38,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896876174] [2020-12-23 17:36:38,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:36:38,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:36:38,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:36:38,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:36:38,456 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 3 states. [2020-12-23 17:36:38,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:36:38,501 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-12-23 17:36:38,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:36:38,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-12-23 17:36:38,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:36:38,503 INFO L225 Difference]: With dead ends: 16 [2020-12-23 17:36:38,503 INFO L226 Difference]: Without dead ends: 16 [2020-12-23 17:36:38,504 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 [2020-12-23 17:36:38,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-23 17:36:38,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-23 17:36:38,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-23 17:36:38,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-12-23 17:36:38,509 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 3 [2020-12-23 17:36:38,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:36:38,509 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-12-23 17:36:38,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:36:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-12-23 17:36:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-23 17:36:38,511 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:36:38,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:36:38,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 17:36:38,512 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]=== [2020-12-23 17:36:38,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:36:38,515 INFO L82 PathProgramCache]: Analyzing trace with hash 59325548, now seen corresponding path program 1 times [2020-12-23 17:36:38,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:36:38,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465833047] [2020-12-23 17:36:38,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:36:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:36:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:36:38,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465833047] [2020-12-23 17:36:38,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:36:38,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 17:36:38,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634579031] [2020-12-23 17:36:38,598 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 17:36:38,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:36:38,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 17:36:38,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 17:36:38,608 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 3 states. [2020-12-23 17:36:38,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:36:38,626 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2020-12-23 17:36:38,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 17:36:38,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-12-23 17:36:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:36:38,628 INFO L225 Difference]: With dead ends: 15 [2020-12-23 17:36:38,628 INFO L226 Difference]: Without dead ends: 15 [2020-12-23 17:36:38,629 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 [2020-12-23 17:36:38,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-12-23 17:36:38,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-12-23 17:36:38,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-23 17:36:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2020-12-23 17:36:38,635 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2020-12-23 17:36:38,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:36:38,635 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2020-12-23 17:36:38,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 17:36:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2020-12-23 17:36:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-23 17:36:38,636 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 17:36:38,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 17:36:38,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 17:36:38,639 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]=== [2020-12-23 17:36:38,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 17:36:38,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1177278863, now seen corresponding path program 1 times [2020-12-23 17:36:38,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 17:36:38,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673750372] [2020-12-23 17:36:38,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 17:36:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 17:36:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 17:36:38,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673750372] [2020-12-23 17:36:38,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 17:36:38,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 17:36:38,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927000226] [2020-12-23 17:36:38,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 17:36:38,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 17:36:38,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 17:36:38,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 17:36:38,765 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 4 states. [2020-12-23 17:36:38,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 17:36:38,811 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2020-12-23 17:36:38,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 17:36:38,812 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-12-23 17:36:38,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 17:36:38,813 INFO L225 Difference]: With dead ends: 14 [2020-12-23 17:36:38,813 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 17:36:38,814 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 [2020-12-23 17:36:38,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 17:36:38,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 17:36:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 17:36:38,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 17:36:38,815 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-12-23 17:36:38,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 17:36:38,816 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 17:36:38,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 17:36:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 17:36:38,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 17:36:38,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 17:36:38,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 05:36:38 BoogieIcfgContainer [2020-12-23 17:36:38,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 17:36:38,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 17:36:38,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 17:36:38,824 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 17:36:38,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:36:37" (3/4) ... [2020-12-23 17:36:38,828 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 17:36:38,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-23 17:36:38,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-23 17:36:38,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 17:36:38,901 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/termination-crafted/SyntaxSupportPointer01-1.c-witness.graphml [2020-12-23 17:36:38,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 17:36:38,903 INFO L168 Benchmark]: Toolchain (without parser) took 1688.34 ms. Allocated memory is still 155.2 MB. Free memory was 129.7 MB in the beginning and 97.8 MB in the end (delta: 31.9 MB). Peak memory consumption was 33.4 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:38,904 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 155.2 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 17:36:38,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.67 ms. Allocated memory is still 155.2 MB. Free memory was 129.5 MB in the beginning and 120.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:38,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.62 ms. Allocated memory is still 155.2 MB. Free memory was 120.7 MB in the beginning and 119.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:38,913 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 118.3 MB in the end (delta: 974.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:38,914 INFO L168 Benchmark]: RCFGBuilder took 369.91 ms. Allocated memory is still 155.2 MB. Free memory was 118.3 MB in the beginning and 105.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:38,914 INFO L168 Benchmark]: TraceAbstraction took 963.13 ms. Allocated memory is still 155.2 MB. Free memory was 105.1 MB in the beginning and 99.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:38,915 INFO L168 Benchmark]: Witness Printer took 77.64 ms. Allocated memory is still 155.2 MB. Free memory was 99.9 MB in the beginning and 97.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 17:36:38,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 155.2 MB. Free memory is still 128.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 212.67 ms. Allocated memory is still 155.2 MB. Free memory was 129.5 MB in the beginning and 120.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 34.62 ms. Allocated memory is still 155.2 MB. Free memory was 120.7 MB in the beginning and 119.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 23.19 ms. Allocated memory is still 155.2 MB. Free memory was 119.3 MB in the beginning and 118.3 MB in the end (delta: 974.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 369.91 ms. Allocated memory is still 155.2 MB. Free memory was 118.3 MB in the beginning and 105.5 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 963.13 ms. Allocated memory is still 155.2 MB. Free memory was 105.1 MB in the beginning and 99.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.1 MB. Max. memory is 8.0 GB. * Witness Printer took 77.64 ms. Allocated memory is still 155.2 MB. Free memory was 99.9 MB in the beginning and 97.8 MB in the end (delta: 2.1 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: 0.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, 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, 0.0s 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, 0.1s 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...