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/seq.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:52:06,797 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:52:06,799 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:52:06,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:52:06,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:52:06,812 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:52:06,813 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:52:06,815 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:52:06,817 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:52:06,818 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:52:06,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:52:06,819 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:52:06,820 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:52:06,821 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:52:06,822 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:52:06,823 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:52:06,823 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:52:06,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:52:06,827 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:52:06,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:52:06,830 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:52:06,831 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:52:06,834 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:52:06,834 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:52:06,834 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:52:06,835 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:52:06,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:52:06,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:52:06,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:52:06,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:52:06,839 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:52:06,840 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:52:06,840 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:52:06,840 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:52:06,841 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:52:06,842 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:52:06,843 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 [2018-09-30 21:52:06,871 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:52:06,871 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:52:06,875 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:52:06,875 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:52:06,876 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:52:06,876 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:52:06,879 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:52:06,879 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:52:06,879 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:52:06,880 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:52:06,880 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:52:06,880 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:52:06,880 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:52:06,880 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:52:06,881 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:52:06,881 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:52:06,881 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:52:06,881 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:52:06,881 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:52:06,883 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:52:06,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:52:06,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:52:06,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:52:06,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:52:06,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:52:06,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:52:06,884 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:52:06,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:52:06,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:52:06,885 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:52:06,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:52:06,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:52:06,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:52:06,947 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:52:06,948 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:52:06,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2018-09-30 21:52:06,949 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2018-09-30 21:52:07,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:52:07,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:52:07,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:52:07,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:52:07,019 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:52:07,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (1/1) ... [2018-09-30 21:52:07,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (1/1) ... [2018-09-30 21:52:07,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:52:07,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:52:07,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:52:07,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:52:07,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (1/1) ... [2018-09-30 21:52:07,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (1/1) ... [2018-09-30 21:52:07,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (1/1) ... [2018-09-30 21:52:07,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (1/1) ... [2018-09-30 21:52:07,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (1/1) ... [2018-09-30 21:52:07,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (1/1) ... [2018-09-30 21:52:07,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (1/1) ... [2018-09-30 21:52:07,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:52:07,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:52:07,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:52:07,088 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:52:07,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:52:06" (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 [2018-09-30 21:52:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:52:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:52:07,440 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:52:07,441 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:52:07 BoogieIcfgContainer [2018-09-30 21:52:07,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:52:07,442 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:52:07,442 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:52:07,454 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:52:07,454 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:52:07" (1/1) ... [2018-09-30 21:52:07,470 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:52:07,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:07,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 21:52:07,513 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 21:52:07,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:52:07,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:08,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-09-30 21:52:08,471 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-09-30 21:52:08,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:52:08,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:10,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:10,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-09-30 21:52:10,141 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-09-30 21:52:10,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:52:10,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:10,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:11,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-30 21:52:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-30 21:52:11,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:52:11,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:11,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:13,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-09-30 21:52:13,326 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-09-30 21:52:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:52:13,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:13,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-30 21:52:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-30 21:52:14,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:52:14,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:15,051 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:16,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-09-30 21:52:16,532 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-09-30 21:52:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:52:16,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:17,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-09-30 21:52:17,737 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-09-30 21:52:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:52:17,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-09-30 21:52:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-09-30 21:52:19,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:52:19,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-09-30 21:52:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-09-30 21:52:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:52:20,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:22,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-09-30 21:52:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-09-30 21:52:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:52:22,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:22,476 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:23,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:23,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-09-30 21:52:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-09-30 21:52:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:52:23,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-09-30 21:52:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-09-30 21:52:25,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:52:25,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-09-30 21:52:27,962 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-09-30 21:52:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:52:27,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-09-30 21:52:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-09-30 21:52:30,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:52:30,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:33,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-09-30 21:52:33,399 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-09-30 21:52:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:52:33,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:33,664 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-09-30 21:52:35,824 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-09-30 21:52:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:52:35,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:36,485 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-09-30 21:52:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-09-30 21:52:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:52:38,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:39,314 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-09-30 21:52:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-09-30 21:52:41,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:52:41,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:41,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:45,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:45,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-09-30 21:52:45,044 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-09-30 21:52:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:52:45,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:45,399 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:48,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-09-30 21:52:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-09-30 21:52:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:52:48,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:48,327 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:51,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:51,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-09-30 21:52:51,126 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-09-30 21:52:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:52:51,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:51,549 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:54,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-09-30 21:52:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-09-30 21:52:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:52:54,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:55,377 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:52:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-09-30 21:52:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-09-30 21:52:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:52:58,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:59,138 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:02,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-09-30 21:53:02,611 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-09-30 21:53:02,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:53:02,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:03,076 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:06,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:06,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-09-30 21:53:06,774 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-09-30 21:53:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:53:06,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-09-30 21:53:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-09-30 21:53:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:53:11,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-09-30 21:53:16,797 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-09-30 21:53:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:53:16,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:17,291 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:21,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-09-30 21:53:21,623 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-09-30 21:53:21,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:53:21,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:21,971 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-09-30 21:53:26,557 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-09-30 21:53:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:53:26,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:31,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:31,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-09-30 21:53:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-09-30 21:53:31,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:53:31,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:32,091 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:37,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:37,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-09-30 21:53:37,281 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-09-30 21:53:37,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:53:37,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-09-30 21:53:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-09-30 21:53:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:53:43,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:43,580 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:49,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-09-30 21:53:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-09-30 21:53:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:53:49,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:53:55,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:55,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-09-30 21:53:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-09-30 21:53:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:53:55,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-09-30 21:54:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-09-30 21:54:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:54:02,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-09-30 21:54:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-09-30 21:54:09,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:54:09,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:16,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-09-30 21:54:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-09-30 21:54:16,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:54:16,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:24,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:24,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-09-30 21:54:24,530 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-09-30 21:54:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:54:24,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-09-30 21:54:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-09-30 21:54:36,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:54:36,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-09-30 21:54:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-09-30 21:54:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:54:44,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:46,029 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:54:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:54:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-09-30 21:54:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-09-30 21:54:54,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:54:54,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:54:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:54:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:03,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-09-30 21:55:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-09-30 21:55:03,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:55:03,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:04,476 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-09-30 21:55:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-09-30 21:55:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:55:14,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:24,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-09-30 21:55:24,580 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-09-30 21:55:24,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:55:24,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:25,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:35,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:35,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-09-30 21:55:35,340 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-09-30 21:55:35,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:55:35,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-09-30 21:55:46,602 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-09-30 21:55:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 21:55:46,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:55:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:55:58,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-09-30 21:55:58,532 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-09-30 21:55:58,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 21:55:58,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:55:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:55:59,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:10,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-09-30 21:56:10,978 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-09-30 21:56:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 21:56:10,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:56:23,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:56:23,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-09-30 21:56:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-09-30 21:56:23,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 21:56:23,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:56:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:56:24,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown