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.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 12:39:17,681 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:39:17,683 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:39:17,697 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:39:17,697 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:39:17,699 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:39:17,700 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:39:17,703 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:39:17,705 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:39:17,706 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:39:17,714 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:39:17,714 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:39:17,715 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:39:17,716 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:39:17,717 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:39:17,718 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:39:17,719 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:39:17,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:39:17,723 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:39:17,724 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:39:17,725 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:39:17,729 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:39:17,731 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:39:17,731 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:39:17,732 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:39:17,733 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:39:17,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:39:17,739 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:39:17,740 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:39:17,741 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:39:17,741 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:39:17,742 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:39:17,742 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:39:17,742 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:39:17,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:39:17,747 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:39:17,747 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-02 12:39:17,775 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:39:17,776 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:39:17,777 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:39:17,777 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:39:17,778 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:39:17,779 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:39:17,779 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:39:17,779 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:39:17,779 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:39:17,779 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:39:17,780 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:39:17,780 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:39:17,780 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:39:17,780 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:39:17,781 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:39:17,781 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:39:17,781 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:39:17,781 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:39:17,782 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:39:17,782 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:39:17,782 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:39:17,782 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:39:17,782 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:39:17,783 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:39:17,783 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:39:17,783 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:39:17,783 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:39:17,785 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:39:17,785 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:39:17,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:39:17,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:39:17,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:39:17,872 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:39:17,873 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:39:17,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-10-02 12:39:17,874 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-10-02 12:39:17,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:39:17,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:39:17,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:39:17,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:39:17,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:39:17,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... [2018-10-02 12:39:17,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... [2018-10-02 12:39:17,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:39:17,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:39:17,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:39:17,985 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:39:17,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... [2018-10-02 12:39:17,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... [2018-10-02 12:39:17,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... [2018-10-02 12:39:17,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... [2018-10-02 12:39:18,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... [2018-10-02 12:39:18,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... [2018-10-02 12:39:18,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... [2018-10-02 12:39:18,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:39:18,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:39:18,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:39:18,013 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:39:18,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:39:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:39:18,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 12:39:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 12:39:18,327 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 12:39:18,328 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:39:18 BoogieIcfgContainer [2018-10-02 12:39:18,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:39:18,329 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:39:18,329 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:39:18,340 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:39:18,340 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:39:18" (1/1) ... [2018-10-02 12:39:18,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:39:18,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-02 12:39:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-02 12:39:18,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 12:39:18,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-02 12:39:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-02 12:39:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:39:18,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-02 12:39:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-02 12:39:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:39:20,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:21,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-02 12:39:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-02 12:39:21,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:39:21,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:21,767 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-10-02 12:39:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-02 12:39:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-02 12:39:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:39:22,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:23,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:23,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-02 12:39:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-02 12:39:23,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:39:23,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:24,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:24,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-02 12:39:24,425 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-02 12:39:24,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:39:24,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-02 12:39:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-02 12:39:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 12:39:26,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:26,804 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:27,380 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-10-02 12:39:29,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:29,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-02 12:39:29,106 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-02 12:39:29,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 12:39:29,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:30,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:30,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-02 12:39:30,330 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-02 12:39:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 12:39:30,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:31,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-02 12:39:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-02 12:39:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 12:39:31,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:32,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-02 12:39:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-02 12:39:32,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 12:39:32,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:34,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-02 12:39:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-02 12:39:34,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 12:39:34,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-02 12:39:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-02 12:39:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 12:39:35,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:37,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-02 12:39:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-02 12:39:37,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 12:39:37,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-02 12:39:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-02 12:39:39,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 12:39:39,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:39,650 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:41,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-02 12:39:41,041 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-02 12:39:41,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 12:39:41,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:41,318 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:42,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:42,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-02 12:39:42,666 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-02 12:39:42,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 12:39:42,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:43,163 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-02 12:39:44,713 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-02 12:39:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 12:39:44,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:46,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-02 12:39:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-02 12:39:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 12:39:46,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:48,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:48,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-02 12:39:48,916 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-02 12:39:48,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 12:39:48,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:49,377 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-02 12:39:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-02 12:39:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 12:39:51,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:53,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:53,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-02 12:39:53,860 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-02 12:39:53,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 12:39:53,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-02 12:39:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-02 12:39:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 12:39:56,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:39:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:39:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:39:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-02 12:39:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-02 12:39:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 12:39:59,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:39:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:00,213 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-02 12:40:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-02 12:40:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 12:40:02,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:05,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:05,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-02 12:40:05,159 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-02 12:40:05,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 12:40:05,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:05,571 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-02 12:40:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-02 12:40:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 12:40:07,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:08,152 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:10,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:10,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-02 12:40:10,847 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-02 12:40:10,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 12:40:10,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:13,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-02 12:40:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-02 12:40:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 12:40:13,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:15,205 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-02 12:40:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-02 12:40:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 12:40:17,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:20,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:20,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-02 12:40:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-02 12:40:20,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 12:40:20,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:24,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-02 12:40:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-02 12:40:24,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 12:40:24,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:27,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:27,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-02 12:40:27,785 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-02 12:40:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 12:40:27,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:31,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-02 12:40:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-02 12:40:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 12:40:31,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:34,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-02 12:40:34,874 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-02 12:40:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 12:40:34,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:35,617 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:38,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-02 12:40:38,481 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-02 12:40:38,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 12:40:38,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:39,327 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:42,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-02 12:40:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-02 12:40:42,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 12:40:42,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-02 12:40:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-02 12:40:46,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 12:40:46,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-02 12:40:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-02 12:40:53,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 12:40:53,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:54,859 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:40:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:40:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-02 12:40:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-02 12:40:57,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 12:40:57,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:40:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:40:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-02 12:41:01,956 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-02 12:41:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 12:41:01,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:02,845 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-02 12:41:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-02 12:41:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 12:41:06,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:07,589 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-02 12:41:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-02 12:41:10,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 12:41:10,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:11,772 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:15,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-02 12:41:15,530 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-02 12:41:15,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 12:41:15,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:19,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:19,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-02 12:41:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-02 12:41:19,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-02 12:41:19,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:20,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-02 12:41:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-02 12:41:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-02 12:41:24,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:28,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:28,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-02 12:41:28,663 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-02 12:41:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-02 12:41:28,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:33,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-02 12:41:33,287 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-02 12:41:33,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-02 12:41:33,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-02 12:41:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-02 12:41:37,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-02 12:41:37,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:42,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:42,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-10-02 12:41:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-10-02 12:41:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-02 12:41:42,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:48,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:48,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-10-02 12:41:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-10-02 12:41:48,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-02 12:41:48,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:54,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-10-02 12:41:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-10-02 12:41:54,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-02 12:41:54,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:41:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:41:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:41:59,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-10-02 12:41:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-10-02 12:41:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-02 12:41:59,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:41:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 168 states and 575 transitions. [2018-10-02 12:42:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 575 transitions. [2018-10-02 12:42:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-02 12:42:04,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:05,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 172 states and 608 transitions. [2018-10-02 12:42:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 608 transitions. [2018-10-02 12:42:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-02 12:42:09,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:11,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:15,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 174 states and 610 transitions. [2018-10-02 12:42:15,799 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 610 transitions. [2018-10-02 12:42:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-02 12:42:15,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 178 states and 644 transitions. [2018-10-02 12:42:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 644 transitions. [2018-10-02 12:42:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-02 12:42:21,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:22,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:27,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 180 states and 646 transitions. [2018-10-02 12:42:27,335 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 646 transitions. [2018-10-02 12:42:27,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-02 12:42:27,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:33,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 184 states and 681 transitions. [2018-10-02 12:42:33,022 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 681 transitions. [2018-10-02 12:42:33,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-02 12:42:33,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 186 states and 683 transitions. [2018-10-02 12:42:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 683 transitions. [2018-10-02 12:42:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-02 12:42:38,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:39,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 190 states and 719 transitions. [2018-10-02 12:42:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 719 transitions. [2018-10-02 12:42:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-02 12:42:44,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 192 states and 721 transitions. [2018-10-02 12:42:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 721 transitions. [2018-10-02 12:42:50,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-02 12:42:50,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:42:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:42:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 196 states and 758 transitions. [2018-10-02 12:42:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 758 transitions. [2018-10-02 12:42:56,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-02 12:42:56,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:42:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:42:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:43:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:43:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 198 states and 760 transitions. [2018-10-02 12:43:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 760 transitions. [2018-10-02 12:43:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-02 12:43:03,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:43:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:43:04,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1056 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:43:09,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:43:09,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 202 states and 798 transitions. [2018-10-02 12:43:09,547 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 798 transitions. [2018-10-02 12:43:09,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-02 12:43:09,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:43:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:43:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1122 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:43:15,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:43:15,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 204 states and 800 transitions. [2018-10-02 12:43:15,775 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 800 transitions. [2018-10-02 12:43:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-02 12:43:15,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:43:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:43:16,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1122 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-02 12:43:19,982 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-02 12:43:19,984 INFO L168 Benchmark]: Toolchain (without parser) took 242045.33 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: -990.5 MB). Peak memory consumption was 911.6 MB. Max. memory is 7.1 GB. [2018-10-02 12:43:19,985 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:43:19,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:43:19,986 INFO L168 Benchmark]: Boogie Preprocessor took 26.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:43:19,987 INFO L168 Benchmark]: RCFGBuilder took 315.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-02 12:43:19,987 INFO L168 Benchmark]: CodeCheck took 241655.03 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 890.5 MB. Max. memory is 7.1 GB. [2018-10-02 12:43:19,991 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1062 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 315.64 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 241655.03 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 890.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-02_12-43-20-003.csv Completed graceful shutdown