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/jain_5.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:47:27,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:47:27,601 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:47:27,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:47:27,614 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:47:27,615 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:47:27,616 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:47:27,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:47:27,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:47:27,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:47:27,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:47:27,621 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:47:27,622 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:47:27,623 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:47:27,624 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:47:27,625 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:47:27,626 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:47:27,627 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:47:27,629 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:47:27,631 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:47:27,635 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:47:27,636 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:47:27,638 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:47:27,639 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:47:27,639 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:47:27,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:47:27,640 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:47:27,641 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:47:27,642 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:47:27,643 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:47:27,643 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:47:27,644 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:47:27,644 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:47:27,644 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:47:27,645 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:47:27,646 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:47:27,646 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 13:47:27,661 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:47:27,661 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:47:27,662 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:47:27,662 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:47:27,662 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:47:27,663 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:47:27,663 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:47:27,663 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:47:27,663 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:47:27,663 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:47:27,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:47:27,664 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:47:27,664 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:47:27,664 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:47:27,665 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:47:27,665 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:47:27,665 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:47:27,665 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:47:27,666 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:47:27,666 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:47:27,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:47:27,666 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:47:27,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:47:27,667 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:47:27,667 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:47:27,667 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:47:27,667 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:47:27,667 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:47:27,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:47:27,668 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:47:27,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:47:27,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:47:27,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:47:27,748 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:47:27,748 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:47:27,749 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_5.i_2.bpl [2018-10-04 13:47:27,751 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_5.i_2.bpl' [2018-10-04 13:47:27,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:47:27,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:47:27,803 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:47:27,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:47:27,804 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:47:27,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (1/1) ... [2018-10-04 13:47:27,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (1/1) ... [2018-10-04 13:47:27,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:47:27,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:47:27,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:47:27,844 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:47:27,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (1/1) ... [2018-10-04 13:47:27,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (1/1) ... [2018-10-04 13:47:27,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (1/1) ... [2018-10-04 13:47:27,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (1/1) ... [2018-10-04 13:47:27,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (1/1) ... [2018-10-04 13:47:27,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (1/1) ... [2018-10-04 13:47:27,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (1/1) ... [2018-10-04 13:47:27,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:47:27,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:47:27,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:47:27,864 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:47:27,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:27" (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 13:47:27,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:47:27,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:47:28,216 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:47:28,216 INFO L202 PluginConnector]: Adding new model jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:47:28 BoogieIcfgContainer [2018-10-04 13:47:28,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:47:28,217 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:47:28,217 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:47:28,229 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:47:28,230 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "jain_5.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:47:28" (1/1) ... [2018-10-04 13:47:28,246 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:47:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 13:47:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 13:47:28,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:47:28,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:28,517 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 13:47:28,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-04 13:47:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-04 13:47:28,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:47:28,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:29,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-04 13:47:30,722 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-04 13:47:30,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:47:30,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:30,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2018-10-04 13:47:32,651 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2018-10-04 13:47:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:47:32,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:34,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:34,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 18 states and 32 transitions. [2018-10-04 13:47:34,669 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 32 transitions. [2018-10-04 13:47:34,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:47:34,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2018-10-04 13:47:36,650 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2018-10-04 13:47:36,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:47:36,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 26 states and 58 transitions. [2018-10-04 13:47:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 58 transitions. [2018-10-04 13:47:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:47:38,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:38,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:40,825 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 28 new depth: 22 [2018-10-04 13:47:42,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:42,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 30 states and 74 transitions. [2018-10-04 13:47:42,042 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 74 transitions. [2018-10-04 13:47:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:47:42,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:46,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 34 states and 92 transitions. [2018-10-04 13:47:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 92 transitions. [2018-10-04 13:47:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:47:46,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:51,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 38 states and 112 transitions. [2018-10-04 13:47:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 112 transitions. [2018-10-04 13:47:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:47:51,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:52,210 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 42 states and 134 transitions. [2018-10-04 13:47:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 134 transitions. [2018-10-04 13:47:55,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:47:55,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:00,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:00,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 46 states and 158 transitions. [2018-10-04 13:48:00,847 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 158 transitions. [2018-10-04 13:48:00,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:48:00,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:06,268 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 44 new depth: 44 [2018-10-04 13:48:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:08,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 50 states and 184 transitions. [2018-10-04 13:48:08,511 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 184 transitions. [2018-10-04 13:48:08,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:48:08,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:16,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:16,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 54 states and 212 transitions. [2018-10-04 13:48:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 212 transitions. [2018-10-04 13:48:16,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:48:16,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:18,664 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:25,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:25,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 58 states and 242 transitions. [2018-10-04 13:48:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 242 transitions. [2018-10-04 13:48:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:48:25,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:36,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:36,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 62 states and 274 transitions. [2018-10-04 13:48:36,026 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 274 transitions. [2018-10-04 13:48:36,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:48:36,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:48,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:48,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 66 states and 308 transitions. [2018-10-04 13:48:48,153 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 308 transitions. [2018-10-04 13:48:48,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:48:48,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:50,570 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:00,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:00,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 70 states and 344 transitions. [2018-10-04 13:49:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 344 transitions. [2018-10-04 13:49:00,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:49:00,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:14,701 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 68 new depth: 68 [2018-10-04 13:49:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 74 states and 382 transitions. [2018-10-04 13:49:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 382 transitions. [2018-10-04 13:49:16,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:49:16,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:32,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 78 states and 422 transitions. [2018-10-04 13:49:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 422 transitions. [2018-10-04 13:49:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:49:32,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:36,599 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 82 states and 464 transitions. [2018-10-04 13:49:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 464 transitions. [2018-10-04 13:49:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:49:51,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 86 states and 508 transitions. [2018-10-04 13:50:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 508 transitions. [2018-10-04 13:50:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:50:13,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:37,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 90 states and 554 transitions. [2018-10-04 13:50:37,106 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 554 transitions. [2018-10-04 13:50:37,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:50:37,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:03,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 94 states and 602 transitions. [2018-10-04 13:51:03,779 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 602 transitions. [2018-10-04 13:51:03,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:51:03,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:51:28,624 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 91 new depth: 91 [2018-10-04 13:51:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:51:35,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 98 states and 652 transitions. [2018-10-04 13:51:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 652 transitions. [2018-10-04 13:51:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:51:35,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:51:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:51:43,033 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown