/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/loops/trex02-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:04:03,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:04:03,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:04:03,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:04:03,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:04:03,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:04:03,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:04:03,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:04:03,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:04:03,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:04:03,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:04:03,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:04:03,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:04:03,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:04:03,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:04:03,630 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:04:03,631 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:04:03,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:04:03,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:04:03,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:04:03,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:04:03,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:04:03,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:04:03,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:04:03,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:04:03,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:04:03,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:04:03,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:04:03,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:04:03,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:04:03,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:04:03,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:04:03,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:04:03,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:04:03,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:04:03,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:04:03,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:04:03,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:04:03,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:04:03,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:04:03,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:04:03,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:04:03,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:04:03,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:04:03,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:04:03,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:04:03,685 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:04:03,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:04:03,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:04:03,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:04:03,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:04:03,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:04:03,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:04:03,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:04:03,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:04:03,688 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:04:03,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:04:03,688 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:04:03,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:04:03,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:04:03,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:04:03,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:04:03,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:04:03,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:04:03,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:04:03,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:04:03,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:04:03,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:04:03,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:04:03,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:04:03,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:04:03,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:04:03,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:04:03,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:04:03,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:04:03,992 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:04:03,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex02-2.c [2019-11-07 04:04:04,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb8a00f7/cd7e433a903143cd9fe8003862a9c3e7/FLAGd14adde08 [2019-11-07 04:04:04,533 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:04:04,534 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex02-2.c [2019-11-07 04:04:04,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb8a00f7/cd7e433a903143cd9fe8003862a9c3e7/FLAGd14adde08 [2019-11-07 04:04:04,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb8a00f7/cd7e433a903143cd9fe8003862a9c3e7 [2019-11-07 04:04:04,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:04:04,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:04:05,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:04:05,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:04:05,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:04:05,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:04:04" (1/1) ... [2019-11-07 04:04:05,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@280d278e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05, skipping insertion in model container [2019-11-07 04:04:05,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:04:04" (1/1) ... [2019-11-07 04:04:05,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:04:05,039 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:04:05,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:04:05,215 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:04:05,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:04:05,251 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:04:05,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05 WrapperNode [2019-11-07 04:04:05,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:04:05,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:04:05,253 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:04:05,253 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:04:05,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05" (1/1) ... [2019-11-07 04:04:05,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05" (1/1) ... [2019-11-07 04:04:05,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05" (1/1) ... [2019-11-07 04:04:05,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05" (1/1) ... [2019-11-07 04:04:05,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05" (1/1) ... [2019-11-07 04:04:05,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05" (1/1) ... [2019-11-07 04:04:05,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05" (1/1) ... [2019-11-07 04:04:05,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:04:05,377 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:04:05,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:04:05,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:04:05,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:04:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:04:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:04:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 04:04:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2019-11-07 04:04:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:04:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:04:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 04:04:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 04:04:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:04:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2019-11-07 04:04:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:04:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:04:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:04:05,642 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:04:05,643 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 04:04:05,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:04:05 BoogieIcfgContainer [2019-11-07 04:04:05,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:04:05,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:04:05,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:04:05,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:04:05,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:04:04" (1/3) ... [2019-11-07 04:04:05,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6299600f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:04:05, skipping insertion in model container [2019-11-07 04:04:05,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:04:05" (2/3) ... [2019-11-07 04:04:05,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6299600f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:04:05, skipping insertion in model container [2019-11-07 04:04:05,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:04:05" (3/3) ... [2019-11-07 04:04:05,668 INFO L109 eAbstractionObserver]: Analyzing ICFG trex02-2.c [2019-11-07 04:04:05,688 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:04:05,698 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:04:05,722 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:04:05,753 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:04:05,753 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:04:05,754 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:04:05,754 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:04:05,754 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:04:05,754 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:04:05,754 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:04:05,754 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:04:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-07 04:04:05,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-07 04:04:05,782 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:04:05,783 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:04:05,785 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:04:05,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:04:05,790 INFO L82 PathProgramCache]: Analyzing trace with hash 987415401, now seen corresponding path program 1 times [2019-11-07 04:04:05,797 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:04:05,798 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304076566] [2019-11-07 04:04:05,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:04:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-07 04:04:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-07 04:04:05,913 INFO L172 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-11-07 04:04:05,914 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-07 04:04:05,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:04:05 BoogieIcfgContainer [2019-11-07 04:04:05,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:04:05,940 INFO L168 Benchmark]: Toolchain (without parser) took 950.18 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 101.3 MB in the beginning and 155.7 MB in the end (delta: -54.4 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:05,941 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 04:04:05,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.32 ms. Allocated memory is still 145.2 MB. Free memory was 100.9 MB in the beginning and 91.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:05,944 INFO L168 Benchmark]: Boogie Preprocessor took 123.36 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 91.7 MB in the beginning and 181.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:05,945 INFO L168 Benchmark]: RCFGBuilder took 268.09 ms. Allocated memory is still 202.4 MB. Free memory was 181.1 MB in the beginning and 168.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:05,946 INFO L168 Benchmark]: TraceAbstraction took 290.97 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 155.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:04:05,950 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.32 ms. Allocated memory is still 145.2 MB. Free memory was 100.9 MB in the beginning and 91.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.36 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 91.7 MB in the beginning and 181.1 MB in the end (delta: -89.4 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 268.09 ms. Allocated memory is still 202.4 MB. Free memory was 181.1 MB in the beginning and 168.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 290.97 ms. Allocated memory is still 202.4 MB. Free memory was 167.8 MB in the beginning and 155.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] int x; [L20] x=__VERIFIER_nondet_int() [L21] COND FALSE !(x > 0) VAL [\old(x)=0, x=-1] [L26] CALL __VERIFIER_assert(x==0) VAL [\old(cond)=0, \old(x)=0, x=-1] [L4] COND TRUE !(cond) VAL [\old(cond)=0, \old(x)=0, cond=0, x=-1] [L5] __VERIFIER_error() VAL [\old(cond)=0, \old(x)=0, cond=0, x=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 22 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...