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/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:45:05,599 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:45:05,601 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:45:05,613 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:45:05,613 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:45:05,614 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:45:05,616 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:45:05,617 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:45:05,619 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:45:05,620 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:45:05,621 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:45:05,621 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:45:05,622 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:45:05,623 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:45:05,627 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:45:05,628 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:45:05,629 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:45:05,634 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:45:05,637 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:45:05,639 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:45:05,642 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:45:05,645 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:45:05,648 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:45:05,649 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:45:05,649 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:45:05,650 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:45:05,651 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:45:05,652 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:45:05,653 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:45:05,654 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:45:05,654 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:45:05,654 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:45:05,655 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:45:05,655 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:45:05,656 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:45:05,656 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:45:05,657 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 21:45:05,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:45:05,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:45:05,672 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:45:05,672 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:45:05,673 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:45:05,673 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:45:05,673 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:45:05,674 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:45:05,674 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:45:05,674 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:45:05,674 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:45:05,674 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:45:05,675 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:45:05,675 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:45:05,675 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:45:05,675 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:45:05,675 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:45:05,675 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:45:05,676 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:45:05,676 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:45:05,676 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:45:05,676 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:45:05,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:45:05,677 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:45:05,677 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:45:05,677 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:45:05,677 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:45:05,677 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:45:05,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:45:05,678 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:45:05,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:45:05,756 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:45:05,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:45:05,765 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:45:05,766 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:45:05,767 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2018-09-30 21:45:05,767 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2018-09-30 21:45:05,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:45:05,830 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:45:05,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:45:05,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:45:05,831 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:45:05,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (1/1) ... [2018-09-30 21:45:05,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (1/1) ... [2018-09-30 21:45:05,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:45:05,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:45:05,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:45:05,877 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:45:05,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (1/1) ... [2018-09-30 21:45:05,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (1/1) ... [2018-09-30 21:45:05,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (1/1) ... [2018-09-30 21:45:05,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (1/1) ... [2018-09-30 21:45:05,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (1/1) ... [2018-09-30 21:45:05,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (1/1) ... [2018-09-30 21:45:05,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (1/1) ... [2018-09-30 21:45:05,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:45:05,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:45:05,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:45:05,900 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:45:05,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:45:05" (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 21:45:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:45:05,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:45:06,268 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:45:06,269 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:45:06 BoogieIcfgContainer [2018-09-30 21:45:06,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:45:06,270 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:45:06,270 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:45:06,279 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:45:06,280 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:45:06" (1/1) ... [2018-09-30 21:45:06,298 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:45:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:06,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 21:45:06,335 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 21:45:06,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:45:06,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:06,559 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 21:45:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-09-30 21:45:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-09-30 21:45:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:45:07,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:07,426 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 21:45:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-09-30 21:45:08,804 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-09-30 21:45:08,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:45:08,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:08,979 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 21:45:09,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:09,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-09-30 21:45:09,935 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-09-30 21:45:09,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:45:09,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:10,040 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 21:45:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2018-09-30 21:45:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-09-30 21:45:11,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:45:11,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:11,499 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 21:45:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:13,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-09-30 21:45:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-09-30 21:45:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:45:13,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:13,443 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 21:45:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2018-09-30 21:45:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-09-30 21:45:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:45:14,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:14,818 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 21:45:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-09-30 21:45:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-09-30 21:45:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:45:17,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:17,438 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 21:45:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2018-09-30 21:45:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2018-09-30 21:45:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:45:19,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:19,170 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 21:45:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2018-09-30 21:45:20,603 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-09-30 21:45:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:45:20,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:20,861 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 21:45:22,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:22,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2018-09-30 21:45:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-09-30 21:45:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:45:22,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:22,344 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 21:45:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-09-30 21:45:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-09-30 21:45:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:45:23,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:24,121 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 21:45:25,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2018-09-30 21:45:25,687 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2018-09-30 21:45:25,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:45:25,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:25,849 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 21:45:29,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:29,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2018-09-30 21:45:29,324 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2018-09-30 21:45:29,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:45:29,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:29,609 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 21:45:31,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:31,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-09-30 21:45:31,952 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-09-30 21:45:31,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:45:31,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:32,190 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 21:45:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2018-09-30 21:45:34,190 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2018-09-30 21:45:34,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:45:34,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:34,636 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 21:45:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 59 states and 70 transitions. [2018-09-30 21:45:36,428 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2018-09-30 21:45:36,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:45:36,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:36,687 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 21:45:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:38,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-09-30 21:45:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-09-30 21:45:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:45:38,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:39,949 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 21:45:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 65 states and 77 transitions. [2018-09-30 21:45:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2018-09-30 21:45:42,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:45:42,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:42,484 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 21:45:44,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2018-09-30 21:45:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2018-09-30 21:45:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:45:44,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:45,905 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 21:45:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2018-09-30 21:45:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2018-09-30 21:45:48,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:45:48,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:48,556 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 21:45:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 75 states and 89 transitions. [2018-09-30 21:45:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2018-09-30 21:45:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:45:51,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:51,610 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 21:45:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 77 states and 91 transitions. [2018-09-30 21:45:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2018-09-30 21:45:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:45:54,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:54,605 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 21:45:57,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:45:57,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2018-09-30 21:45:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2018-09-30 21:45:57,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:45:57,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:45:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:45:58,317 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 21:46:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2018-09-30 21:46:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2018-09-30 21:46:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:46:01,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:01,855 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 21:46:05,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:05,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2018-09-30 21:46:05,165 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2018-09-30 21:46:05,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:46:05,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:46:08,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:08,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2018-09-30 21:46:08,884 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2018-09-30 21:46:08,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:46:08,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:09,785 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 21:46:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:13,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2018-09-30 21:46:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2018-09-30 21:46:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:46:13,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:13,857 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 21:46:17,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2018-09-30 21:46:17,414 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2018-09-30 21:46:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:46:17,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:17,747 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 21:46:21,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:21,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 99 states and 117 transitions. [2018-09-30 21:46:21,637 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions. [2018-09-30 21:46:21,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:46:21,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:22,177 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 21:46:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 101 states and 119 transitions. [2018-09-30 21:46:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2018-09-30 21:46:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:46:25,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:26,243 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 21:46:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 105 states and 124 transitions. [2018-09-30 21:46:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2018-09-30 21:46:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:46:30,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:31,150 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 21:46:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:35,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 107 states and 126 transitions. [2018-09-30 21:46:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2018-09-30 21:46:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:46:35,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:35,850 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 21:46:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2018-09-30 21:46:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2018-09-30 21:46:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:46:40,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:40,978 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 21:46:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2018-09-30 21:46:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2018-09-30 21:46:45,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:46:45,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:46,155 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 21:46:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:51,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 117 states and 138 transitions. [2018-09-30 21:46:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2018-09-30 21:46:51,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:46:51,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:51,752 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 21:46:56,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:46:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 119 states and 140 transitions. [2018-09-30 21:46:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 140 transitions. [2018-09-30 21:46:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:46:56,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:46:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:46:57,012 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 21:47:02,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:02,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2018-09-30 21:47:02,230 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-09-30 21:47:02,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:47:02,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:03,328 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 21:47:08,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:08,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 125 states and 147 transitions. [2018-09-30 21:47:08,480 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-09-30 21:47:08,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:47:08,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:09,338 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 21:47:15,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:15,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 129 states and 152 transitions. [2018-09-30 21:47:15,103 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-09-30 21:47:15,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:47:15,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:15,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:15,912 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 21:47:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:21,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 131 states and 154 transitions. [2018-09-30 21:47:21,653 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-09-30 21:47:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:47:21,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:22,193 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 21:47:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:28,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 135 states and 159 transitions. [2018-09-30 21:47:28,304 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2018-09-30 21:47:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:47:28,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:29,114 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 21:47:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 137 states and 161 transitions. [2018-09-30 21:47:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2018-09-30 21:47:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:47:35,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:35,700 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 21:47:42,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:42,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 141 states and 166 transitions. [2018-09-30 21:47:42,274 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-09-30 21:47:42,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:47:42,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:43,112 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 21:47:49,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:47:49,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 143 states and 168 transitions. [2018-09-30 21:47:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-09-30 21:47:49,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:47:49,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:47:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:47:50,129 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 21:48:00,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:00,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 147 states and 173 transitions. [2018-09-30 21:48:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2018-09-30 21:48:00,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:48:00,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:01,197 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 21:48:08,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 149 states and 175 transitions. [2018-09-30 21:48:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 175 transitions. [2018-09-30 21:48:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 21:48:08,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:09,256 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 21:48:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 180 transitions. [2018-09-30 21:48:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2018-09-30 21:48:16,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 21:48:16,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:17,590 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 21:48:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:24,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 155 states and 182 transitions. [2018-09-30 21:48:24,695 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-09-30 21:48:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 21:48:24,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:25,849 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 21:48:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 159 states and 187 transitions. [2018-09-30 21:48:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 187 transitions. [2018-09-30 21:48:33,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 21:48:33,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:48:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 161 states and 189 transitions. [2018-09-30 21:48:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 189 transitions. [2018-09-30 21:48:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-30 21:48:42,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:43,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:48:51,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:48:51,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 165 states and 194 transitions. [2018-09-30 21:48:51,734 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2018-09-30 21:48:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 21:48:51,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:48:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:48:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:49:01,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 167 states and 196 transitions. [2018-09-30 21:49:01,128 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 196 transitions. [2018-09-30 21:49:01,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-30 21:49:01,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:49:11,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 171 states and 201 transitions. [2018-09-30 21:49:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 201 transitions. [2018-09-30 21:49:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-30 21:49:11,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:49:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 173 states and 203 transitions. [2018-09-30 21:49:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 203 transitions. [2018-09-30 21:49:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-30 21:49:21,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown