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_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:46:54,415 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:46:54,417 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:46:54,430 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:46:54,431 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:46:54,432 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:46:54,433 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:46:54,435 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:46:54,437 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:46:54,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:46:54,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:46:54,443 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:46:54,444 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:46:54,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:46:54,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:46:54,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:46:54,451 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:46:54,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:46:54,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:46:54,460 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:46:54,461 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:46:54,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:46:54,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:46:54,464 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:46:54,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:46:54,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:46:54,466 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:46:54,467 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:46:54,468 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:46:54,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:46:54,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:46:54,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:46:54,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:46:54,470 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:46:54,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:46:54,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:46:54,472 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 13:46:54,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:46:54,495 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:46:54,496 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:46:54,496 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:46:54,497 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:46:54,497 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:46:54,497 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:46:54,497 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:46:54,497 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:46:54,498 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:46:54,498 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:46:54,498 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:46:54,498 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:46:54,498 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:46:54,499 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:46:54,499 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:46:54,499 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:46:54,499 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:46:54,499 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:46:54,500 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:46:54,500 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:46:54,500 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:46:54,500 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:46:54,500 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:46:54,501 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:46:54,501 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:46:54,501 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:46:54,501 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:46:54,501 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:46:54,501 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:46:54,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:46:54,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:46:54,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:46:54,569 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:46:54,569 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:46:54,571 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-10-04 13:46:54,571 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-10-04 13:46:54,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:46:54,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:46:54,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:46:54,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:46:54,621 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:46:54,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (1/1) ... [2018-10-04 13:46:54,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (1/1) ... [2018-10-04 13:46:54,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:46:54,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:46:54,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:46:54,664 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:46:54,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (1/1) ... [2018-10-04 13:46:54,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (1/1) ... [2018-10-04 13:46:54,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (1/1) ... [2018-10-04 13:46:54,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (1/1) ... [2018-10-04 13:46:54,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (1/1) ... [2018-10-04 13:46:54,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (1/1) ... [2018-10-04 13:46:54,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (1/1) ... [2018-10-04 13:46:54,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:46:54,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:46:54,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:46:54,684 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:46:54,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:46:54" (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 [2018-10-04 13:46:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:46:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:46:55,044 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:46:55,044 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:46:55 BoogieIcfgContainer [2018-10-04 13:46:55,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:46:55,045 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:46:55,045 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:46:55,058 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:46:55,059 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:46:55" (1/1) ... [2018-10-04 13:46:55,076 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:46:55,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:46:55,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 13:46:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 13:46:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:46:55,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:46:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:46:55,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:46:55,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:46:55,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-04 13:46:55,706 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-04 13:46:55,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:46:55,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:46:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:46:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:46:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:46:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-04 13:46:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-04 13:46:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:46:57,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:46:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:46:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:46:58,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:46:58,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-04 13:46:58,363 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-04 13:46:58,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:46:58,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:46:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:46:58,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:46:59,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:46:59,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-04 13:46:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-04 13:46:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:46:59,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:46:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:46:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:00,581 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 22 new depth: 13 [2018-10-04 13:47:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-04 13:47:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-04 13:47:01,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:47:01,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:02,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-04 13:47:02,949 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-04 13:47:02,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:47:02,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-04 13:47:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-04 13:47:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:47:04,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:05,188 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 31 new depth: 20 [2018-10-04 13:47:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-04 13:47:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-04 13:47:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:47:05,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-04 13:47:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-04 13:47:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:47:07,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:08,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:08,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-04 13:47:08,509 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-04 13:47:08,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:47:08,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-04 13:47:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-04 13:47:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:47:09,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:11,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-04 13:47:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-04 13:47:11,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:47:11,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:14,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-04 13:47:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-04 13:47:14,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:47:14,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:14,614 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Solver cannot find a model for the term (let ((.cse0 (not (let ((.cse1 (= ULTIMATE.start___VERIFIER_assert_~cond 1))) (and (not (and (<= 2 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) .cse1))) .cse1 (< 1 ULTIMATE.start_main_~j~5)))))) (and .cse0 (not .cse0))) [2018-10-04 13:47:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:14,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:47:15,076 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver cannot find a model for the term (let ((.cse0 (not (let ((.cse1 (= ULTIMATE.start___VERIFIER_assert_~cond 1))) (and (not (and (<= 2 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) .cse1))) .cse1 (< 1 ULTIMATE.start_main_~j~5)))))) (and .cse0 (not .cse0))) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.PredicateTrie.getWitness(PredicateTrie.java:213) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:391) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:412) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:405) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:405) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:405) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:405) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getWitnessInductive(BPredicateUnifier.java:412) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.restructurePredicateTrie(BPredicateUnifier.java:371) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getOrConstructPredicateInternal(BPredicateUnifier.java:249) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.BPredicateUnifier.getOrConstructPredicate(BPredicateUnifier.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:575) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:286) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:627) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:457) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-04 13:47:15,080 INFO L168 Benchmark]: Toolchain (without parser) took 20462.07 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 191.9 MB). Free memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: -208.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:47:15,085 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2018-10-04 13:47:15,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.21 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. [2018-10-04 13:47:15,089 INFO L168 Benchmark]: Boogie Preprocessor took 19.89 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. [2018-10-04 13:47:15,089 INFO L168 Benchmark]: RCFGBuilder took 360.83 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. [2018-10-04 13:47:15,090 INFO L168 Benchmark]: CodeCheck took 20034.11 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 191.9 MB). Free memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: -230.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:47:15,096 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver cannot find a model for the term (let ((.cse0 (not (let ((.cse1 (= ULTIMATE.start___VERIFIER_assert_~cond 1))) (and (not (and (<= 2 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) .cse1))) .cse1 (< 1 ULTIMATE.start_main_~j~5)))))) (and .cse0 (not .cse0))) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver cannot find a model for the term (let ((.cse0 (not (let ((.cse1 (= ULTIMATE.start___VERIFIER_assert_~cond 1))) (and (not (and (<= 2 ULTIMATE.start_main_~k~5) (or (= 0 ULTIMATE.start___VERIFIER_assert_~cond) .cse1))) .cse1 (< 1 ULTIMATE.start_main_~j~5)))))) (and .cse0 (not .cse0))): de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.biesenb.PredicateTrie.getWitness(PredicateTrie.java:213) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 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 42.21 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 19.89 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 360.83 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 20034.11 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 191.9 MB). Free memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: -230.0 MB). There was no memory consumed. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-47-15-116.csv Received shutdown request...