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-c372c2b [2018-10-02 13:14:02,694 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:14:02,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:14:02,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:14:02,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:14:02,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:14:02,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:14:02,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:14:02,718 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:14:02,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:14:02,720 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:14:02,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:14:02,721 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:14:02,722 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:14:02,723 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:14:02,724 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:14:02,725 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:14:02,726 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:14:02,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:14:02,730 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:14:02,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:14:02,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:14:02,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:14:02,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:14:02,736 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:14:02,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:14:02,738 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:14:02,739 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:14:02,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:14:02,741 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:14:02,741 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:14:02,742 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:14:02,742 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:14:02,742 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:14:02,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:14:02,747 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:14:02,751 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 [2018-10-02 13:14:02,780 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:14:02,780 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:14:02,781 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:14:02,781 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:14:02,782 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:14:02,782 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:14:02,782 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:14:02,783 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:14:02,783 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:14:02,783 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:14:02,783 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:14:02,783 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:14:02,784 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:14:02,784 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:14:02,784 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:14:02,784 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:14:02,785 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:14:02,786 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:14:02,786 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:14:02,786 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:14:02,786 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:14:02,787 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:14:02,787 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:14:02,787 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:14:02,787 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:14:02,787 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:14:02,788 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:14:02,788 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:14:02,788 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:14:02,788 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:14:02,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:14:02,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:14:02,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:14:02,883 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:14:02,885 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:14:02,885 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-10-02 13:14:02,886 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-10-02 13:14:02,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:14:02,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:14:02,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:14:02,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:14:02,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:14:02,962 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 02.10 01:14:02" (1/1) ... [2018-10-02 13:14:02,973 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 02.10 01:14:02" (1/1) ... [2018-10-02 13:14:02,978 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:14:02,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:14:02,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:14:02,980 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:14:02,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:14:02" (1/1) ... [2018-10-02 13:14:02,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:14:02" (1/1) ... [2018-10-02 13:14:02,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:14:02" (1/1) ... [2018-10-02 13:14:02,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:14:02" (1/1) ... [2018-10-02 13:14:02,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:14:02" (1/1) ... [2018-10-02 13:14:02,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:14:02" (1/1) ... [2018-10-02 13:14:03,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:14:02" (1/1) ... [2018-10-02 13:14:03,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:14:03,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:14:03,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:14:03,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:14:03,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:14:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:14:03,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 13:14:03,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 13:14:03,362 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 13:14:03,363 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:14:03 BoogieIcfgContainer [2018-10-02 13:14:03,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:14:03,364 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:14:03,364 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:14:03,377 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:14:03,377 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:14:03" (1/1) ... [2018-10-02 13:14:03,392 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:14:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:03,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-02 13:14:03,438 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-02 13:14:03,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:14:03,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:03,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:04,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-02 13:14:04,441 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-02 13:14:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 13:14:04,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-02 13:14:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-02 13:14:06,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 13:14:06,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:06,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:07,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-02 13:14:07,001 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-02 13:14:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:14:07,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-02 13:14:08,463 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-02 13:14:08,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 13:14:08,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-02 13:14:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-02 13:14:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 13:14:10,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:10,383 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-02 13:14:11,757 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-02 13:14:11,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:14:11,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:12,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:12,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-02 13:14:12,965 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-02 13:14:12,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:14:12,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-02 13:14:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-02 13:14:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 13:14:14,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:14,306 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:15,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:15,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-02 13:14:15,422 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-02 13:14:15,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 13:14:15,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:16,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-02 13:14:16,981 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-02 13:14:16,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 13:14:16,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:18,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-02 13:14:18,388 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-02 13:14:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 13:14:18,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-02 13:14:19,965 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-02 13:14:19,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 13:14:19,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-02 13:14:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-02 13:14:22,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 13:14:22,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:22,724 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-02 13:14:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-02 13:14:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 13:14:27,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:29,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-02 13:14:29,486 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-02 13:14:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 13:14:29,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:31,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:31,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-02 13:14:31,530 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-02 13:14:31,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 13:14:31,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:32,072 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:33,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-02 13:14:33,905 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-02 13:14:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 13:14:33,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:34,100 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-02 13:14:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-02 13:14:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 13:14:36,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:38,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:38,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-02 13:14:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-02 13:14:38,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 13:14:38,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:41,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-02 13:14:41,162 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-02 13:14:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 13:14:41,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:44,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-02 13:14:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-02 13:14:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 13:14:44,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:47,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:47,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-02 13:14:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-02 13:14:47,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 13:14:47,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:48,312 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-02 13:14:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-02 13:14:50,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 13:14:50,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-02 13:14:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-02 13:14:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 13:14:54,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:14:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:14:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-02 13:14:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-02 13:14:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 13:14:58,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:14:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:14:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-02 13:15:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-02 13:15:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 13:15:01,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:02,225 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-02 13:15:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-02 13:15:05,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 13:15:05,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-02 13:15:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-02 13:15:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 13:15:09,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:13,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-02 13:15:13,790 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-02 13:15:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 13:15:13,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:18,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:18,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-02 13:15:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-02 13:15:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 13:15:18,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:22,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-02 13:15:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-02 13:15:22,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 13:15:22,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:27,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-02 13:15:27,119 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-02 13:15:27,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 13:15:27,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:32,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-02 13:15:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-02 13:15:32,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 13:15:32,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:32,776 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:37,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-02 13:15:37,585 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-02 13:15:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 13:15:37,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:38,735 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:43,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:43,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-02 13:15:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-02 13:15:43,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 13:15:43,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-02 13:15:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-02 13:15:49,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 13:15:49,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:50,013 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:15:55,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:15:55,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-02 13:15:55,196 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-02 13:15:55,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 13:15:55,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:15:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:15:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:16:01,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:16:01,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-02 13:16:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-02 13:16:01,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 13:16:01,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:16:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:16:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:16:11,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:16:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-02 13:16:11,458 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-02 13:16:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 13:16:11,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:16:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:16:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:16:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:16:18,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-02 13:16:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-02 13:16:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 13:16:18,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:16:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:16:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:16:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:16:26,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-02 13:16:26,060 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-02 13:16:26,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 13:16:26,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:16:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:16:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:16:33,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:16:33,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-02 13:16:33,683 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-02 13:16:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 13:16:33,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:16:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:16:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:16:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:16:41,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-02 13:16:41,382 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-02 13:16:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 13:16:41,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:16:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:16:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:16:49,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:16:49,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-02 13:16:49,174 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-02 13:16:49,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 13:16:49,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:16:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:16:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:16:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:16:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-02 13:16:57,775 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-02 13:16:57,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-02 13:16:57,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:16:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:16:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:17:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:17:06,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-02 13:17:06,390 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-02 13:17:06,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-02 13:17:06,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:17:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:17:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:17:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:17:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-02 13:17:15,086 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-02 13:17:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-02 13:17:15,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:17:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:17:15,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:17:24,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:17:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-02 13:17:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-02 13:17:24,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-02 13:17:24,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:17:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:17:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:17:34,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:17:34,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-02 13:17:34,945 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-02 13:17:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-02 13:17:34,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:17:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:17:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:17:45,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:17:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-10-02 13:17:45,566 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-10-02 13:17:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-02 13:17:45,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:17:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:17:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:17:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:17:55,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-10-02 13:17:55,505 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-10-02 13:17:55,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-02 13:17:55,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:17:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:17:56,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:18:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:18:06,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-10-02 13:18:06,411 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-10-02 13:18:06,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-02 13:18:06,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:18:06,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:18:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:18:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:18:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-10-02 13:18:17,362 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-10-02 13:18:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-02 13:18:17,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:18:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:18:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown