/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:28:44,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:28:44,475 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:28:44,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:28:44,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:28:44,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:28:44,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:28:44,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:28:44,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:28:44,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:28:44,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:28:44,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:28:44,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:28:44,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:28:44,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:28:44,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:28:44,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:28:44,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:28:44,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:28:44,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:28:44,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:28:44,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:28:44,604 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:28:44,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:28:44,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 22:28:44,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 22:28:44,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 22:28:44,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 22:28:44,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 22:28:44,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 22:28:44,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 22:28:44,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 22:28:44,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 22:28:44,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 22:28:44,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 22:28:44,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 22:28:44,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 22:28:44,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 22:28:44,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:28:44,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:28:44,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:28:44,624 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:28:44,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:28:44,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:28:44,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:28:44,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:28:44,652 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:28:44,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:28:44,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:28:44,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:28:44,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:28:44,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:28:44,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:28:44,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:28:44,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:28:44,653 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:28:44,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:28:44,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:28:44,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:28:44,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:28:44,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:28:44,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:28:44,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:28:44,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:28:44,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:28:44,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:28:44,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:28:44,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:28:44,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:28:44,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:28:44,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:28:44,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:28:44,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:28:45,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:28:45,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:28:45,021 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:28:45,022 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:28:45,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2020-11-06 22:28:45,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb461a07b/5907fe4810d24b52b3d1f0b2dc95b6db/FLAG35a21013c [2020-11-06 22:28:45,742 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:28:45,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2020-11-06 22:28:45,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb461a07b/5907fe4810d24b52b3d1f0b2dc95b6db/FLAG35a21013c [2020-11-06 22:28:46,109 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb461a07b/5907fe4810d24b52b3d1f0b2dc95b6db [2020-11-06 22:28:46,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:28:46,119 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:28:46,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:28:46,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:28:46,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:28:46,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:46" (1/1) ... [2020-11-06 22:28:46,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23822043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46, skipping insertion in model container [2020-11-06 22:28:46,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:46" (1/1) ... [2020-11-06 22:28:46,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:28:46,159 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:28:46,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:28:46,332 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:28:46,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:28:46,370 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:28:46,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46 WrapperNode [2020-11-06 22:28:46,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:28:46,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:28:46,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:28:46,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:28:46,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46" (1/1) ... [2020-11-06 22:28:46,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46" (1/1) ... [2020-11-06 22:28:46,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46" (1/1) ... [2020-11-06 22:28:46,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46" (1/1) ... [2020-11-06 22:28:46,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46" (1/1) ... [2020-11-06 22:28:46,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46" (1/1) ... [2020-11-06 22:28:46,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46" (1/1) ... [2020-11-06 22:28:46,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:28:46,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:28:46,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:28:46,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:28:46,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46" (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 [2020-11-06 22:28:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:28:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:28:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:28:46,493 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2020-11-06 22:28:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2020-11-06 22:28:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:28:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:28:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:28:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:28:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:28:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure g [2020-11-06 22:28:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 22:28:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 22:28:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:28:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure f [2020-11-06 22:28:46,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:28:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:28:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:28:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:28:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:28:46,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:28:46,996 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:28:46,997 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 22:28:46,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:46 BoogieIcfgContainer [2020-11-06 22:28:46,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:28:47,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:28:47,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:28:47,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:28:47,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:28:46" (1/3) ... [2020-11-06 22:28:47,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d1bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:47, skipping insertion in model container [2020-11-06 22:28:47,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:46" (2/3) ... [2020-11-06 22:28:47,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9d1bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:47, skipping insertion in model container [2020-11-06 22:28:47,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:46" (3/3) ... [2020-11-06 22:28:47,009 INFO L111 eAbstractionObserver]: Analyzing ICFG test05.c [2020-11-06 22:28:47,027 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:28:47,031 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:28:47,045 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:28:47,074 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:28:47,075 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:28:47,075 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:28:47,075 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:28:47,075 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:28:47,075 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:28:47,075 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:28:47,075 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:28:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-11-06 22:28:47,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-06 22:28:47,100 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:28:47,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:28:47,101 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:28:47,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:28:47,109 INFO L82 PathProgramCache]: Analyzing trace with hash -2038116802, now seen corresponding path program 1 times [2020-11-06 22:28:47,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:28:47,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833021103] [2020-11-06 22:28:47,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:28:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:47,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:47,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:28:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:47,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:28:47,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833021103] [2020-11-06 22:28:47,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:28:47,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:28:47,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789894392] [2020-11-06 22:28:47,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:28:47,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:28:47,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:28:47,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:28:47,486 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 7 states. [2020-11-06 22:28:47,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:28:47,834 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2020-11-06 22:28:47,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:28:47,836 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-11-06 22:28:47,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:28:47,845 INFO L225 Difference]: With dead ends: 41 [2020-11-06 22:28:47,845 INFO L226 Difference]: Without dead ends: 22 [2020-11-06 22:28:47,848 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:28:47,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-06 22:28:47,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-11-06 22:28:47,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-06 22:28:47,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2020-11-06 22:28:47,892 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 15 [2020-11-06 22:28:47,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:28:47,892 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2020-11-06 22:28:47,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:28:47,893 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2020-11-06 22:28:47,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-06 22:28:47,894 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:28:47,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:28:47,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:28:47,894 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:28:47,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:28:47,896 INFO L82 PathProgramCache]: Analyzing trace with hash -196382947, now seen corresponding path program 1 times [2020-11-06 22:28:47,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:28:47,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412378328] [2020-11-06 22:28:47,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:28:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:48,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:48,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:28:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:48,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 22:28:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:28:48,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412378328] [2020-11-06 22:28:48,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:28:48,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:28:48,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301812914] [2020-11-06 22:28:48,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:28:48,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:28:48,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:28:48,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:28:48,185 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 7 states. [2020-11-06 22:28:48,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:28:48,405 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2020-11-06 22:28:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:28:48,406 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-11-06 22:28:48,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:28:48,407 INFO L225 Difference]: With dead ends: 25 [2020-11-06 22:28:48,407 INFO L226 Difference]: Without dead ends: 22 [2020-11-06 22:28:48,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:28:48,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-11-06 22:28:48,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-11-06 22:28:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-11-06 22:28:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2020-11-06 22:28:48,417 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 20 [2020-11-06 22:28:48,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:28:48,417 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2020-11-06 22:28:48,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:28:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2020-11-06 22:28:48,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-06 22:28:48,418 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:28:48,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:28:48,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:28:48,419 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:28:48,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:28:48,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1792857716, now seen corresponding path program 1 times [2020-11-06 22:28:48,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:28:48,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561806179] [2020-11-06 22:28:48,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:28:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:48,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 22:28:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:48,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 22:28:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:48,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:28:48,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561806179] [2020-11-06 22:28:48,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:28:48,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 22:28:48,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845987351] [2020-11-06 22:28:48,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:28:48,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:28:48,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:28:48,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:28:48,840 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 11 states. [2020-11-06 22:28:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:28:49,200 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2020-11-06 22:28:49,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:28:49,200 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 21 [2020-11-06 22:28:49,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:28:49,201 INFO L225 Difference]: With dead ends: 22 [2020-11-06 22:28:49,201 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:28:49,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-11-06 22:28:49,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:28:49,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:28:49,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:28:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:28:49,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2020-11-06 22:28:49,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:28:49,203 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:28:49,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:28:49,204 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:28:49,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:28:49,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:28:49,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:28:49,418 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:28:49,418 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:28:49,418 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:28:49,419 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:28:49,419 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:28:49,419 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:28:49,419 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:28:49,419 INFO L262 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |f_#in~a| f_~a) (= |#memory_int| |old(#memory_int)|) (= |f_#in~p2.base| f_~p2.base) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= f_~p1.offset |f_#in~p1.offset|) (= |f_#in~p1.base| f_~p1.base) (= f_~p2.offset |f_#in~p2.offset|)) [2020-11-06 22:28:49,419 INFO L266 CegarLoopResult]: For program point L14(lines 14 19) no Hoare annotation was computed. [2020-11-06 22:28:49,420 INFO L266 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2020-11-06 22:28:49,420 INFO L266 CegarLoopResult]: For program point fEXIT(lines 13 20) no Hoare annotation was computed. [2020-11-06 22:28:49,420 INFO L262 CegarLoopResult]: At program point fENTRY(lines 13 20) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-11-06 22:28:49,420 INFO L266 CegarLoopResult]: For program point fFINAL(lines 13 20) no Hoare annotation was computed. [2020-11-06 22:28:49,420 INFO L266 CegarLoopResult]: For program point gEXIT(lines 6 11) no Hoare annotation was computed. [2020-11-06 22:28:49,420 INFO L266 CegarLoopResult]: For program point gFINAL(lines 6 11) no Hoare annotation was computed. [2020-11-06 22:28:49,421 INFO L262 CegarLoopResult]: At program point gENTRY(lines 6 11) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-11-06 22:28:49,421 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:28:49,421 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:28:49,421 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:28:49,421 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:28:49,421 INFO L266 CegarLoopResult]: For program point L34-1(line 34) no Hoare annotation was computed. [2020-11-06 22:28:49,421 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 22 48) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:28:49,422 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 22 48) no Hoare annotation was computed. [2020-11-06 22:28:49,422 INFO L266 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-06 22:28:49,422 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 22 48) no Hoare annotation was computed. [2020-11-06 22:28:49,422 INFO L262 CegarLoopResult]: At program point L41(lines 22 48) the Hoare annotation is: false [2020-11-06 22:28:49,422 INFO L266 CegarLoopResult]: For program point L40(lines 40 42) no Hoare annotation was computed. [2020-11-06 22:28:49,422 INFO L266 CegarLoopResult]: For program point L36(lines 36 38) no Hoare annotation was computed. [2020-11-06 22:28:49,423 INFO L262 CegarLoopResult]: At program point L34(line 34) the Hoare annotation is: (let ((.cse0 (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (and (not (= .cse0 |main_~#a~0.base|)) (= |main_#t~mem11| 4) (not (= |main_~#p2~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#a~0.base|)) (not (= |main_~#p1~0.base| |main_~#p2~0.base|)) (not (= .cse0 |main_~#p1~0.base|)))) [2020-11-06 22:28:49,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:28:49 BoogieIcfgContainer [2020-11-06 22:28:49,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:28:49,442 INFO L168 Benchmark]: Toolchain (without parser) took 3320.97 ms. Allocated memory was 164.6 MB in the beginning and 203.4 MB in the end (delta: 38.8 MB). Free memory was 140.0 MB in the beginning and 152.3 MB in the end (delta: -12.4 MB). Peak memory consumption was 110.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:49,443 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 164.6 MB. Free memory was 135.8 MB in the beginning and 135.7 MB in the end (delta: 102.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:28:49,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.31 ms. Allocated memory is still 164.6 MB. Free memory was 139.3 MB in the beginning and 129.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:49,445 INFO L168 Benchmark]: Boogie Preprocessor took 40.26 ms. Allocated memory is still 164.6 MB. Free memory was 129.9 MB in the beginning and 128.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:49,446 INFO L168 Benchmark]: RCFGBuilder took 586.18 ms. Allocated memory is still 164.6 MB. Free memory was 128.2 MB in the beginning and 146.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:49,447 INFO L168 Benchmark]: TraceAbstraction took 2432.55 ms. Allocated memory was 164.6 MB in the beginning and 203.4 MB in the end (delta: 38.8 MB). Free memory was 145.7 MB in the beginning and 152.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 115.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:49,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 164.6 MB. Free memory was 135.8 MB in the beginning and 135.7 MB in the end (delta: 102.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 250.31 ms. Allocated memory is still 164.6 MB. Free memory was 139.3 MB in the beginning and 129.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.26 ms. Allocated memory is still 164.6 MB. Free memory was 129.9 MB in the beginning and 128.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 586.18 ms. Allocated memory is still 164.6 MB. Free memory was 128.2 MB in the beginning and 146.2 MB in the end (delta: -18.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2432.55 ms. Allocated memory was 164.6 MB in the beginning and 203.4 MB in the end (delta: 38.8 MB). Free memory was 145.7 MB in the beginning and 152.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 115.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 SDtfs, 38 SDslu, 86 SDs, 0 SdLazy, 241 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 12 NumberOfFragments, 128 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 123 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 9239 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...