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/afnp2014.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:42:54,616 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:42:54,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:42:54,631 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:42:54,632 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:42:54,633 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:42:54,634 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:42:54,636 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:42:54,638 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:42:54,638 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:42:54,639 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:42:54,640 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:42:54,641 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:42:54,642 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:42:54,643 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:42:54,643 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:42:54,644 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:42:54,646 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:42:54,648 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:42:54,649 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:42:54,650 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:42:54,652 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:42:54,654 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:42:54,654 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:42:54,654 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:42:54,655 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:42:54,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:42:54,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:42:54,658 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:42:54,659 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:42:54,659 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:42:54,660 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:42:54,660 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:42:54,660 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:42:54,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:42:54,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:42:54,662 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 13:42:54,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:42:54,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:42:54,679 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:42:54,679 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:42:54,679 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:42:54,679 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:42:54,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:42:54,680 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:42:54,680 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:42:54,680 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:42:54,680 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:42:54,681 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:42:54,681 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:42:54,681 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:42:54,681 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:42:54,681 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:42:54,682 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:42:54,682 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:42:54,682 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:42:54,682 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:42:54,682 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:42:54,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:42:54,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:42:54,683 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:42:54,683 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:42:54,683 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:42:54,684 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:42:54,684 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:42:54,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:42:54,684 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:42:54,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:42:54,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:42:54,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:42:54,750 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:42:54,751 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:42:54,751 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl [2018-10-04 13:42:54,752 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl' [2018-10-04 13:42:54,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:42:54,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:42:54,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:42:54,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:42:54,826 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:42:54,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (1/1) ... [2018-10-04 13:42:54,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (1/1) ... [2018-10-04 13:42:54,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:42:54,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:42:54,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:42:54,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:42:54,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (1/1) ... [2018-10-04 13:42:54,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (1/1) ... [2018-10-04 13:42:54,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (1/1) ... [2018-10-04 13:42:54,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (1/1) ... [2018-10-04 13:42:54,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (1/1) ... [2018-10-04 13:42:54,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (1/1) ... [2018-10-04 13:42:54,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (1/1) ... [2018-10-04 13:42:54,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:42:54,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:42:54,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:42:54,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:42:54,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:42:54" (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 13:42:54,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:42:54,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:42:55,186 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:42:55,187 INFO L202 PluginConnector]: Adding new model afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:42:55 BoogieIcfgContainer [2018-10-04 13:42:55,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:42:55,188 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:42:55,188 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:42:55,202 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:42:55,202 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:42:55" (1/1) ... [2018-10-04 13:42:55,221 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:42:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:42:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 13:42:55,265 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 13:42:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:42:55,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:42:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:42:55,428 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 13:42:55,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:42:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-04 13:42:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-04 13:42:55,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:42:55,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:42:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:42:55,878 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 13:42:56,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:42:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2018-10-04 13:42:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2018-10-04 13:42:56,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:42:56,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:42:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:42:56,974 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 13:42:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:42:57,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2018-10-04 13:42:57,713 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2018-10-04 13:42:57,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:42:57,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:42:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:42:57,778 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 13:42:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:42:58,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2018-10-04 13:42:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2018-10-04 13:42:58,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:42:58,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:42:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:42:58,356 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 13:42:58,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:42:58,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-10-04 13:42:58,904 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-10-04 13:42:58,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:42:58,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:42:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:42:59,104 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 13:43:00,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-10-04 13:43:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-10-04 13:43:00,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:43:00,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:00,719 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 13:43:01,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2018-10-04 13:43:01,796 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2018-10-04 13:43:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:43:01,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:02,038 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 13:43:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:03,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2018-10-04 13:43:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2018-10-04 13:43:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:43:03,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:03,348 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 13:43:04,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2018-10-04 13:43:04,717 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2018-10-04 13:43:04,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:43:04,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:05,210 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 13:43:06,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:06,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-10-04 13:43:06,507 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-10-04 13:43:06,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:43:06,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:06,908 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 13:43:08,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:08,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2018-10-04 13:43:08,448 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2018-10-04 13:43:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:43:08,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:08,935 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 13:43:09,438 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 28 new depth: 16 [2018-10-04 13:43:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:11,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 31 states and 65 transitions. [2018-10-04 13:43:11,536 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 65 transitions. [2018-10-04 13:43:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:43:11,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:12,349 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 13:43:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:15,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 33 states and 72 transitions. [2018-10-04 13:43:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 72 transitions. [2018-10-04 13:43:15,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:43:15,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:16,219 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 13:43:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:19,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 35 states and 80 transitions. [2018-10-04 13:43:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 80 transitions. [2018-10-04 13:43:19,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:43:19,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:21,475 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 13:43:25,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 37 states and 88 transitions. [2018-10-04 13:43:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 88 transitions. [2018-10-04 13:43:25,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:43:25,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:26,598 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 13:43:30,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:30,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 39 states and 96 transitions. [2018-10-04 13:43:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 96 transitions. [2018-10-04 13:43:30,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:43:30,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:31,707 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 13:43:35,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 41 states and 105 transitions. [2018-10-04 13:43:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 105 transitions. [2018-10-04 13:43:35,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:43:35,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:36,479 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 13:43:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 43 states and 114 transitions. [2018-10-04 13:43:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 114 transitions. [2018-10-04 13:43:40,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:43:40,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:42,125 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 13:43:47,436 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 38 new depth: 30 [2018-10-04 13:43:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:47,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 45 states and 123 transitions. [2018-10-04 13:43:47,463 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 123 transitions. [2018-10-04 13:43:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:43:47,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:48,932 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 13:43:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:43:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-10-04 13:43:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-10-04 13:43:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:43:54,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:43:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:43:55,676 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 13:44:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:44:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 49 states and 143 transitions. [2018-10-04 13:44:01,742 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 143 transitions. [2018-10-04 13:44:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:44:01,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:44:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:44:03,599 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 13:44:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:44:10,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 51 states and 153 transitions. [2018-10-04 13:44:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 153 transitions. [2018-10-04 13:44:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:44:10,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:44:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:44:13,532 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 13:44:21,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:44:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 53 states and 164 transitions. [2018-10-04 13:44:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 164 transitions. [2018-10-04 13:44:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:44:21,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:44:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:44:25,007 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 13:44:32,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:44:32,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 55 states and 174 transitions. [2018-10-04 13:44:32,948 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 174 transitions. [2018-10-04 13:44:32,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:44:32,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:44:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:44:35,207 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 13:44:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:44:44,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 57 states and 185 transitions. [2018-10-04 13:44:44,285 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 185 transitions. [2018-10-04 13:44:44,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:44:44,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:44:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:44:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:44:56,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:44:56,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 59 states and 197 transitions. [2018-10-04 13:44:56,795 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 197 transitions. [2018-10-04 13:44:56,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:44:56,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:44:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:44:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:45:11,453 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 54 new depth: 33 [2018-10-04 13:45:11,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:45:11,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 61 states and 208 transitions. [2018-10-04 13:45:11,488 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 208 transitions. [2018-10-04 13:45:11,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:45:11,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:45:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:45:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:45:24,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:45:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 63 states and 219 transitions. [2018-10-04 13:45:24,698 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 219 transitions. [2018-10-04 13:45:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:45:24,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:45:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:45:27,372 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:45:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:45:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 65 states and 232 transitions. [2018-10-04 13:45:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 232 transitions. [2018-10-04 13:45:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:45:38,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:45:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:45:42,050 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:45:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:45:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 67 states and 244 transitions. [2018-10-04 13:45:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 244 transitions. [2018-10-04 13:45:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:45:55,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:45:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:45:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:46:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:46:15,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 69 states and 256 transitions. [2018-10-04 13:46:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 256 transitions. [2018-10-04 13:46:15,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:46:15,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:46:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:46:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:46:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:46:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 71 states and 269 transitions. [2018-10-04 13:46:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 269 transitions. [2018-10-04 13:46:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:46:39,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:46:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:46:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:06,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 73 states and 282 transitions. [2018-10-04 13:47:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 282 transitions. [2018-10-04 13:47:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:47:06,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown