java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 09:46:58,080 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 09:46:58,082 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 09:46:58,099 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 09:46:58,100 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 09:46:58,101 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 09:46:58,103 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 09:46:58,106 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 09:46:58,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 09:46:58,111 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 09:46:58,112 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 09:46:58,113 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 09:46:58,115 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 09:46:58,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 09:46:58,125 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 09:46:58,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 09:46:58,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 09:46:58,132 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 09:46:58,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 09:46:58,137 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 09:46:58,138 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 09:46:58,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 09:46:58,144 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 09:46:58,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 09:46:58,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 09:46:58,146 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 09:46:58,147 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 09:46:58,148 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 09:46:58,148 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 09:46:58,149 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 09:46:58,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 09:46:58,152 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 09:46:58,152 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 09:46:58,152 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 09:46:58,154 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 09:46:58,155 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 09:46:58,157 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-03 09:46:58,180 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 09:46:58,180 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 09:46:58,181 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 09:46:58,181 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 09:46:58,182 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 09:46:58,182 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 09:46:58,182 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 09:46:58,183 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 09:46:58,183 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 09:46:58,183 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 09:46:58,183 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 09:46:58,184 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 09:46:58,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 09:46:58,185 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 09:46:58,185 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 09:46:58,185 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 09:46:58,185 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 09:46:58,186 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 09:46:58,187 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 09:46:58,187 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 09:46:58,187 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 09:46:58,187 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 09:46:58,187 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 09:46:58,188 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 09:46:58,188 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 09:46:58,188 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 09:46:58,188 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 09:46:58,188 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 09:46:58,189 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 09:46:58,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 09:46:58,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 09:46:58,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 09:46:58,269 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 09:46:58,270 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 09:46:58,270 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox2.i_3.bpl [2018-10-03 09:46:58,270 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/underapprox2.i_3.bpl' [2018-10-03 09:46:58,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 09:46:58,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 09:46:58,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 09:46:58,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 09:46:58,322 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 09:46:58,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 09:46:58,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 09:46:58,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 09:46:58,362 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 09:46:58,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 09:46:58,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 09:46:58,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 09:46:58,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 09:46:58,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 09:46:58" (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:10000 (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:10000 [2018-10-03 09:46:58,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 09:46:58,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 09:46:58,729 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 09:46:58,729 INFO L202 PluginConnector]: Adding new model underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:46:58 BoogieIcfgContainer [2018-10-03 09:46:58,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 09:46:58,730 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 09:46:58,730 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 09:46:58,742 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 09:46:58,742 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 09:46:58" (1/1) ... [2018-10-03 09:46:58,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-03 09:46:58,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-03 09:46:58,790 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-03 09:46:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 09:46:58,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:58,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:46:59,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-03 09:46:59,172 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-03 09:46:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 09:46:59,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:46:59,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-03 09:46:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-03 09:46:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 09:46:59,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:46:59,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:46:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:46:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-10-03 09:46:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-10-03 09:46:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 09:46:59,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:46:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:00,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:00,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-10-03 09:47:00,362 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-10-03 09:47:00,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 09:47:00,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:00,499 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:00,926 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-03 09:47:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-10-03 09:47:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-10-03 09:47:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 09:47:01,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 09:47:01,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 09:47:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 09:47:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-10-03 09:47:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-10-03 09:47:01,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 09:47:01,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 09:47:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-03 09:47:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-03 09:47:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-03 09:47:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-03 09:47:01,505 WARN L491 CodeCheckObserver]: This program is UNSAFE, Check terminated with 0 iterations. [2018-10-03 09:47:01,522 INFO L760 CodeCheckObserver]: 0 DeclaredPredicates, 345 GetRequests, 293 SyntacticMatches, 30 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2018-10-03 09:47:01,567 INFO L202 PluginConnector]: Adding new model underapprox2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.10 09:47:01 ImpRootNode [2018-10-03 09:47:01,568 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-03 09:47:01,569 INFO L168 Benchmark]: Toolchain (without parser) took 3251.82 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 126.9 MB). Peak memory consumption was 126.9 MB. Max. memory is 7.1 GB. [2018-10-03 09:47:01,573 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:47:01,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.61 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:47:01,578 INFO L168 Benchmark]: Boogie Preprocessor took 19.47 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 09:47:01,579 INFO L168 Benchmark]: RCFGBuilder took 348.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-03 09:47:01,580 INFO L168 Benchmark]: CodeCheck took 2837.47 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. [2018-10-03 09:47:01,591 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNSAFE Result, 2.7s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 188 SDslu, 312 SDs, 0 SdLazy, 470 SolverSat, 282 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 2890 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/70 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 36]: assertion can be violated assertion can be violated We found a FailurePath: [L10] havoc main_#res; [L11] havoc main_#t~post0, main_~x~4, main_~y~4; [L12] main_~x~4 := 0; [L13] main_~y~4 := 1; VAL [main_~x~4=0, main_~y~4=1] [L16] assume true; VAL [main_~x~4=0, main_~y~4=1] [L29] assume !!(main_~x~4 % 4294967296 < 6); [L30] main_#t~post0 := main_~x~4; [L31] main_~x~4 := main_#t~post0 + 1; [L32] havoc main_#t~post0; [L33] main_~y~4 := main_~y~4 * 2; VAL [main_~x~4=1, main_~y~4=2] [L16] assume true; VAL [main_~x~4=1, main_~y~4=2] [L29] assume !!(main_~x~4 % 4294967296 < 6); [L30] main_#t~post0 := main_~x~4; [L31] main_~x~4 := main_#t~post0 + 1; [L32] havoc main_#t~post0; [L33] main_~y~4 := main_~y~4 * 2; VAL [main_~x~4=2, main_~y~4=4] [L16] assume true; VAL [main_~x~4=2, main_~y~4=4] [L29] assume !!(main_~x~4 % 4294967296 < 6); [L30] main_#t~post0 := main_~x~4; [L31] main_~x~4 := main_#t~post0 + 1; [L32] havoc main_#t~post0; [L33] main_~y~4 := main_~y~4 * 2; VAL [main_~x~4=3, main_~y~4=8] [L16] assume true; VAL [main_~x~4=3, main_~y~4=8] [L29] assume !!(main_~x~4 % 4294967296 < 6); [L30] main_#t~post0 := main_~x~4; [L31] main_~x~4 := main_#t~post0 + 1; [L32] havoc main_#t~post0; [L33] main_~y~4 := main_~y~4 * 2; VAL [main_~x~4=4, main_~y~4=16] [L16] assume true; VAL [main_~x~4=4, main_~y~4=16] [L29] assume !!(main_~x~4 % 4294967296 < 6); [L30] main_#t~post0 := main_~x~4; [L31] main_~x~4 := main_#t~post0 + 1; [L32] havoc main_#t~post0; [L33] main_~y~4 := main_~y~4 * 2; VAL [main_~x~4=5, main_~y~4=32] [L16] assume true; VAL [main_~x~4=5, main_~y~4=32] [L29] assume !!(main_~x~4 % 4294967296 < 6); [L30] main_#t~post0 := main_~x~4; [L31] main_~x~4 := main_#t~post0 + 1; [L32] havoc main_#t~post0; [L33] main_~y~4 := main_~y~4 * 2; VAL [main_~x~4=6, main_~y~4=64] [L16] assume true; VAL [main_~x~4=6, main_~y~4=64] [L21] assume !(main_~x~4 % 4294967296 < 6); [L22] __VERIFIER_assert_#in~cond := (if main_~x~4 % 4294967296 != 6 then 1 else 0); [L23] havoc __VERIFIER_assert_~cond; [L24] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L25] assume __VERIFIER_assert_~cond == 0; [L26] assume !false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~4=6, main_~y~4=64] [L36] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~x~4=6, main_~y~4=64] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.61 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.47 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 348.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 2837.47 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/underapprox2.i_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-03_09-47-01-612.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/underapprox2.i_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-03_09-47-01-612.csv Received shutdown request...