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/num_conversion_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 22:04:16,423 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 22:04:16,425 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 22:04:16,443 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 22:04:16,443 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 22:04:16,445 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 22:04:16,447 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 22:04:16,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 22:04:16,453 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 22:04:16,454 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 22:04:16,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 22:04:16,457 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 22:04:16,458 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 22:04:16,459 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 22:04:16,460 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 22:04:16,469 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 22:04:16,470 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 22:04:16,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 22:04:16,476 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 22:04:16,480 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 22:04:16,483 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 22:04:16,484 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 22:04:16,488 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 22:04:16,488 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 22:04:16,489 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 22:04:16,491 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 22:04:16,492 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 22:04:16,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 22:04:16,495 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 22:04:16,497 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 22:04:16,498 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 22:04:16,499 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 22:04:16,500 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 22:04:16,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 22:04:16,502 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 22:04:16,503 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 22:04:16,503 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 [2018-09-23 22:04:16,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 22:04:16,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 22:04:16,525 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 22:04:16,526 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 22:04:16,526 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 22:04:16,526 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 22:04:16,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 22:04:16,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 22:04:16,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 22:04:16,527 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 22:04:16,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 22:04:16,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 22:04:16,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 22:04:16,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 22:04:16,529 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 22:04:16,529 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 22:04:16,529 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 22:04:16,529 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 22:04:16,529 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 22:04:16,530 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 22:04:16,530 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 22:04:16,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:04:16,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 22:04:16,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 22:04:16,531 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 22:04:16,531 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 22:04:16,531 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 22:04:16,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 22:04:16,532 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 22:04:16,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 22:04:16,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 22:04:16,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 22:04:16,619 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 22:04:16,619 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 22:04:16,620 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_2.i_3.bpl [2018-09-23 22:04:16,621 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_2.i_3.bpl' [2018-09-23 22:04:16,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 22:04:16,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 22:04:16,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 22:04:16,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 22:04:16,693 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 22:04:16,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (1/1) ... [2018-09-23 22:04:16,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (1/1) ... [2018-09-23 22:04:16,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 22:04:16,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 22:04:16,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 22:04:16,737 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 22:04:16,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (1/1) ... [2018-09-23 22:04:16,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (1/1) ... [2018-09-23 22:04:16,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (1/1) ... [2018-09-23 22:04:16,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (1/1) ... [2018-09-23 22:04:16,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (1/1) ... [2018-09-23 22:04:16,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (1/1) ... [2018-09-23 22:04:16,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (1/1) ... [2018-09-23 22:04:16,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 22:04:16,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 22:04:16,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 22:04:16,761 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 22:04:16,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:04:16" (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 [2018-09-23 22:04:16,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 22:04:16,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 22:04:17,014 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 22:04:17,014 INFO L202 PluginConnector]: Adding new model num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:04:17 BoogieIcfgContainer [2018-09-23 22:04:17,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 22:04:17,015 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 22:04:17,015 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 22:04:17,027 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 22:04:17,027 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:04:17" (1/1) ... [2018-09-23 22:04:17,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 22:04:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:17,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-23 22:04:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-23 22:04:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-23 22:04:17,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-23 22:04:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-23 22:04:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 22:04:17,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:17,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-23 22:04:17,796 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-23 22:04:17,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 22:04:17,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:18,982 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-09-23 22:04:19,966 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-23 22:04:20,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:20,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-23 22:04:20,006 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-23 22:04:20,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 22:04:20,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:20,118 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:21,132 WARN L178 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-23 22:04:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:24,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-23 22:04:24,078 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-23 22:04:24,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 22:04:24,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:29,309 WARN L178 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 33 [2018-09-23 22:04:36,213 WARN L178 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 34 [2018-09-23 22:04:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-23 22:04:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-23 22:04:36,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:04:36,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:08,142 WARN L178 SmtUtils]: Spent 7.05 s on a formula simplification that was a NOOP. DAG size: 39 [2018-09-23 22:05:17,478 WARN L178 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 40 [2018-09-23 22:05:18,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:18,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-23 22:05:18,082 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-23 22:05:18,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:05:18,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:45,930 WARN L178 SmtUtils]: Spent 6.34 s on a formula simplification that was a NOOP. DAG size: 45 [2018-09-23 22:06:09,260 WARN L178 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 46 [2018-09-23 22:06:09,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-23 22:06:09,836 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-23 22:06:09,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:06:09,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:05,309 WARN L178 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 51 [2018-09-23 22:07:41,542 WARN L178 SmtUtils]: Spent 21.59 s on a formula simplification that was a NOOP. DAG size: 52 [2018-09-23 22:07:44,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-09-23 22:07:44,937 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-09-23 22:07:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:07:44,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-23 22:07:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-23 22:07:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-23 22:07:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-23 22:07:45,071 WARN L491 CodeCheckObserver]: This program is UNSAFE, Check terminated with 0 iterations. [2018-09-23 22:07:45,143 INFO L202 PluginConnector]: Adding new model num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.09 10:07:45 ImpRootNode [2018-09-23 22:07:45,143 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-23 22:07:45,147 INFO L168 Benchmark]: Toolchain (without parser) took 208455.41 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 211.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 7.1 GB. [2018-09-23 22:07:45,149 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:07:45,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:07:45,150 INFO L168 Benchmark]: Boogie Preprocessor took 23.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:07:45,151 INFO L168 Benchmark]: RCFGBuilder took 254.29 ms. Allocated memory is still 1.5 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. [2018-09-23 22:07:45,152 INFO L168 Benchmark]: CodeCheck took 208128.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. [2018-09-23 22:07:45,162 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, 208.0s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 384 SDtfs, 764 SDslu, 1272 SDs, 0 SdLazy, 2290 SolverSat, 1274 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 9936 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/168 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 - UnprovableResult [Line: 46]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: overapproximation of shiftLeft at line 39, overapproximation of bitwiseAnd at line 40. Possible FailurePath: [L15] havoc main_#res; [L16] havoc main_#t~nondet0, main_~i~6, main_~bit~6, main_~x~5, main_~y~5, main_~c~5; [L17] main_~x~5 := main_#t~nondet0; [L18] havoc main_#t~nondet0; [L19] havoc main_~y~5; [L20] havoc main_~c~5; [L21] main_~y~5 := 0; [L22] main_~c~5 := 0; VAL [main_~c~5=0, main_~y~5=0] [L25] assume true; VAL [main_~c~5=0, main_~y~5=0] [L38] assume !!(main_~c~5 % 256 < 8); [L39] main_~i~6 := ~shiftLeft(1, main_~c~5 % 256); [L40] main_~bit~6 := ~bitwiseAnd(main_~x~5 % 256, main_~i~6 % 256); [L41] assume main_~bit~6 % 256 != 0; [L42] main_~y~5 := main_~y~5 % 256 + main_~i~6 % 256; [L43] main_~c~5 := main_~c~5 % 256 + 1; VAL [main_~bit~6=1, main_~c~5=1, main_~i~6=0, main_~y~5=0] [L25] assume true; VAL [main_~bit~6=1, main_~c~5=1, main_~i~6=0, main_~y~5=0] [L38] assume !!(main_~c~5 % 256 < 8); [L39] main_~i~6 := ~shiftLeft(1, main_~c~5 % 256); [L40] main_~bit~6 := ~bitwiseAnd(main_~x~5 % 256, main_~i~6 % 256); [L41] assume main_~bit~6 % 256 != 0; [L42] main_~y~5 := main_~y~5 % 256 + main_~i~6 % 256; [L43] main_~c~5 := main_~c~5 % 256 + 1; VAL [main_~bit~6=1, main_~c~5=2, main_~i~6=0, main_~y~5=0] [L25] assume true; VAL [main_~bit~6=1, main_~c~5=2, main_~i~6=0, main_~y~5=0] [L38] assume !!(main_~c~5 % 256 < 8); [L39] main_~i~6 := ~shiftLeft(1, main_~c~5 % 256); [L40] main_~bit~6 := ~bitwiseAnd(main_~x~5 % 256, main_~i~6 % 256); [L41] assume main_~bit~6 % 256 != 0; [L42] main_~y~5 := main_~y~5 % 256 + main_~i~6 % 256; [L43] main_~c~5 := main_~c~5 % 256 + 1; VAL [main_~bit~6=1, main_~c~5=3, main_~i~6=0, main_~y~5=0] [L25] assume true; VAL [main_~bit~6=1, main_~c~5=3, main_~i~6=0, main_~y~5=0] [L38] assume !!(main_~c~5 % 256 < 8); [L39] main_~i~6 := ~shiftLeft(1, main_~c~5 % 256); [L40] main_~bit~6 := ~bitwiseAnd(main_~x~5 % 256, main_~i~6 % 256); [L41] assume main_~bit~6 % 256 != 0; [L42] main_~y~5 := main_~y~5 % 256 + main_~i~6 % 256; [L43] main_~c~5 := main_~c~5 % 256 + 1; VAL [main_~bit~6=1, main_~c~5=4, main_~i~6=0, main_~y~5=0] [L25] assume true; VAL [main_~bit~6=1, main_~c~5=4, main_~i~6=0, main_~y~5=0] [L38] assume !!(main_~c~5 % 256 < 8); [L39] main_~i~6 := ~shiftLeft(1, main_~c~5 % 256); [L40] main_~bit~6 := ~bitwiseAnd(main_~x~5 % 256, main_~i~6 % 256); [L41] assume main_~bit~6 % 256 != 0; [L42] main_~y~5 := main_~y~5 % 256 + main_~i~6 % 256; [L43] main_~c~5 := main_~c~5 % 256 + 1; VAL [main_~bit~6=1, main_~c~5=5, main_~i~6=0, main_~y~5=0] [L25] assume true; VAL [main_~bit~6=1, main_~c~5=5, main_~i~6=0, main_~y~5=0] [L38] assume !!(main_~c~5 % 256 < 8); [L39] main_~i~6 := ~shiftLeft(1, main_~c~5 % 256); [L40] main_~bit~6 := ~bitwiseAnd(main_~x~5 % 256, main_~i~6 % 256); [L41] assume main_~bit~6 % 256 != 0; [L42] main_~y~5 := main_~y~5 % 256 + main_~i~6 % 256; [L43] main_~c~5 := main_~c~5 % 256 + 1; VAL [main_~bit~6=1, main_~c~5=6, main_~i~6=0, main_~y~5=0] [L25] assume true; VAL [main_~bit~6=1, main_~c~5=6, main_~i~6=0, main_~y~5=0] [L38] assume !!(main_~c~5 % 256 < 8); [L39] main_~i~6 := ~shiftLeft(1, main_~c~5 % 256); [L40] main_~bit~6 := ~bitwiseAnd(main_~x~5 % 256, main_~i~6 % 256); [L41] assume main_~bit~6 % 256 != 0; [L42] main_~y~5 := main_~y~5 % 256 + main_~i~6 % 256; [L43] main_~c~5 := main_~c~5 % 256 + 1; VAL [main_~bit~6=1, main_~c~5=7, main_~i~6=0, main_~y~5=0] [L25] assume true; VAL [main_~bit~6=1, main_~c~5=7, main_~i~6=0, main_~y~5=0] [L38] assume !!(main_~c~5 % 256 < 8); [L39] main_~i~6 := ~shiftLeft(1, main_~c~5 % 256); [L40] main_~bit~6 := ~bitwiseAnd(main_~x~5 % 256, main_~i~6 % 256); [L41] assume main_~bit~6 % 256 != 0; [L42] main_~y~5 := main_~y~5 % 256 + main_~i~6 % 256; [L43] main_~c~5 := main_~c~5 % 256 + 1; VAL [main_~bit~6=1, main_~c~5=8, main_~i~6=0, main_~y~5=0] [L25] assume true; VAL [main_~bit~6=1, main_~c~5=8, main_~i~6=0, main_~y~5=0] [L30] assume !(main_~c~5 % 256 < 8); [L31] __VERIFIER_assert_#in~cond := (if main_~x~5 % 256 == main_~y~5 % 256 then 1 else 0); [L32] havoc __VERIFIER_assert_~cond; [L33] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L34] assume __VERIFIER_assert_~cond == 0; [L35] assume !false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~bit~6=1, main_~c~5=8, main_~i~6=0, main_~x~5=1, main_~y~5=0] [L46] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~bit~6=1, main_~c~5=8, main_~i~6=0, main_~x~5=1, main_~y~5=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 254.29 ms. Allocated memory is still 1.5 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 208128.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/num_conversion_2.i_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-23_22-07-45-191.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/num_conversion_2.i_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_22-07-45-191.csv Received shutdown request...