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-c372c2b [2018-10-02 12:44:04,545 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:44:04,547 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:44:04,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:44:04,565 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:44:04,566 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:44:04,568 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:44:04,569 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:44:04,572 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:44:04,573 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:44:04,574 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:44:04,574 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:44:04,578 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:44:04,579 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:44:04,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:44:04,584 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:44:04,585 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:44:04,586 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:44:04,588 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:44:04,590 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:44:04,591 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:44:04,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:44:04,594 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:44:04,594 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:44:04,594 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:44:04,595 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:44:04,596 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:44:04,597 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:44:04,597 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:44:04,598 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:44:04,599 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:44:04,599 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:44:04,599 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:44:04,600 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:44:04,601 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:44:04,601 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:44:04,602 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 [2018-10-02 12:44:04,625 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:44:04,626 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:44:04,627 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:44:04,627 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:44:04,628 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:44:04,628 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:44:04,629 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:44:04,629 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:44:04,629 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:44:04,629 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:44:04,630 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:44:04,631 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:44:04,631 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:44:04,631 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:44:04,631 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:44:04,631 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:44:04,632 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:44:04,632 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:44:04,633 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:44:04,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:44:04,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:44:04,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:44:04,633 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:44:04,634 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:44:04,634 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:44:04,634 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:44:04,634 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:44:04,635 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:44:04,635 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:44:04,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:44:04,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:44:04,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:44:04,718 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:44:04,718 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:44:04,719 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_2.i_3.bpl [2018-10-02 12:44:04,719 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/num_conversion_2.i_3.bpl' [2018-10-02 12:44:04,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:44:04,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:44:04,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:44:04,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:44:04,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:44:04,795 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 02.10 12:44:04" (1/1) ... [2018-10-02 12:44:04,808 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 02.10 12:44:04" (1/1) ... [2018-10-02 12:44:04,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:44:04,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:44:04,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:44:04,816 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:44:04,825 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 02.10 12:44:04" (1/1) ... [2018-10-02 12:44:04,825 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 02.10 12:44:04" (1/1) ... [2018-10-02 12:44:04,826 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 02.10 12:44:04" (1/1) ... [2018-10-02 12:44:04,826 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 02.10 12:44:04" (1/1) ... [2018-10-02 12:44:04,830 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 02.10 12:44:04" (1/1) ... [2018-10-02 12:44:04,832 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 02.10 12:44:04" (1/1) ... [2018-10-02 12:44:04,833 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 02.10 12:44:04" (1/1) ... [2018-10-02 12:44:04,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:44:04,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:44:04,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:44:04,835 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:44:04,836 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 02.10 12:44:04" (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 [2018-10-02 12:44:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 12:44:04,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 12:44:05,211 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 12:44:05,212 INFO L202 PluginConnector]: Adding new model num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:44:05 BoogieIcfgContainer [2018-10-02 12:44:05,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:44:05,214 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:44:05,214 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:44:05,227 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:44:05,227 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 02.10 12:44:05" (1/1) ... [2018-10-02 12:44:05,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:44:05,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:44:05,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-02 12:44:05,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-02 12:44:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 12:44:05,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:44:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:44:05,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:44:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:44:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-02 12:44:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-02 12:44:05,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 12:44:05,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:44:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:44:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:44:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:44:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-02 12:44:05,985 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-02 12:44:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:44:05,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:44:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:44:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:44:07,160 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-02 12:44:08,160 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-02 12:44:08,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:44:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-02 12:44:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-02 12:44:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:44:08,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:44:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:44:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:44:09,348 WARN L178 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-02 12:44:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:44:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-02 12:44:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-02 12:44:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:44:12,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:44:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:44:12,914 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:44:17,451 WARN L178 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 33 [2018-10-02 12:44:24,409 WARN L178 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 34 [2018-10-02 12:44:24,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:44:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-02 12:44:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-02 12:44:24,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:44:24,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:44:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:44:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:44:52,488 WARN L178 SmtUtils]: Spent 5.63 s on a formula simplification that was a NOOP. DAG size: 39 [2018-10-02 12:44:55,784 WARN L178 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-10-02 12:44:58,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:44:58,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-02 12:44:58,315 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-02 12:44:58,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:44:58,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:44:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:45:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:45:28,582 WARN L178 SmtUtils]: Spent 4.07 s on a formula simplification that was a NOOP. DAG size: 45 [2018-10-02 12:45:50,484 WARN L178 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 46 [2018-10-02 12:45:54,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:45:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-02 12:45:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-02 12:45:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:45:54,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:45:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:45:58,275 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:46:38,709 WARN L178 SmtUtils]: Spent 11.48 s on a formula simplification that was a NOOP. DAG size: 51 [2018-10-02 12:47:09,051 WARN L178 SmtUtils]: Spent 12.02 s on a formula simplification that was a NOOP. DAG size: 52 [2018-10-02 12:47:10,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:47:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-10-02 12:47:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-10-02 12:47:10,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 12:47:10,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:47:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-02 12:47:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-02 12:47:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-02 12:47:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-02 12:47:10,587 WARN L491 CodeCheckObserver]: This program is UNSAFE, Check terminated with 0 iterations. [2018-10-02 12:47:10,599 INFO L760 CodeCheckObserver]: 0 DeclaredPredicates, 590 GetRequests, 504 SyntacticMatches, 56 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 173.3s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2018-10-02 12:47:10,626 INFO L202 PluginConnector]: Adding new model num_conversion_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.10 12:47:10 ImpRootNode [2018-10-02 12:47:10,626 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-02 12:47:10,627 INFO L168 Benchmark]: Toolchain (without parser) took 185859.18 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 211.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 7.1 GB. [2018-10-02 12:47:10,631 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. [2018-10-02 12:47:10,634 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.68 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. [2018-10-02 12:47:10,635 INFO L168 Benchmark]: Boogie Preprocessor took 18.62 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. [2018-10-02 12:47:10,637 INFO L168 Benchmark]: RCFGBuilder took 377.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-02 12:47:10,641 INFO L168 Benchmark]: CodeCheck took 185412.54 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Peak memory consumption was 190.3 MB. Max. memory is 7.1 GB. [2018-10-02 12:47:10,647 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, 185.3s 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, 32.1s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 11.7s 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 43.68 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 18.62 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 377.15 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 185412.54 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.2 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-0-2018-10-02_12-47-10-678.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-0-2018-10-02_12-47-10-678.csv Received shutdown request...