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/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 12:48:26,639 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:48:26,642 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:48:26,656 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:48:26,657 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:48:26,659 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:48:26,660 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:48:26,670 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:48:26,672 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:48:26,674 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:48:26,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:48:26,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:48:26,677 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:48:26,678 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:48:26,679 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:48:26,680 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:48:26,681 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:48:26,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:48:26,686 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:48:26,691 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:48:26,692 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:48:26,694 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:48:26,698 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:48:26,701 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:48:26,702 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:48:26,703 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:48:26,703 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:48:26,704 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:48:26,708 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:48:26,709 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:48:26,711 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:48:26,712 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:48:26,712 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:48:26,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:48:26,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:48:26,717 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:48:26,718 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 12:48:26,735 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:48:26,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:48:26,736 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:48:26,736 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:48:26,737 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:48:26,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:48:26,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:48:26,738 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:48:26,738 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:48:26,738 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:48:26,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:48:26,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:48:26,739 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:48:26,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:48:26,739 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:48:26,739 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:48:26,739 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:48:26,740 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:48:26,740 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:48:26,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:48:26,740 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:48:26,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:48:26,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:48:26,741 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:48:26,741 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:48:26,741 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:48:26,741 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:48:26,742 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:48:26,742 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:48:26,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:48:26,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:48:26,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:48:26,818 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:48:26,818 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:48:26,819 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-10-02 12:48:26,820 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-10-02 12:48:26,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:48:26,875 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:48:26,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:48:26,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:48:26,877 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:48:26,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (1/1) ... [2018-10-02 12:48:26,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (1/1) ... [2018-10-02 12:48:26,918 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 12:48:26,918 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 12:48:26,918 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 12:48:26,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:48:26,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:48:26,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:48:26,921 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:48:26,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (1/1) ... [2018-10-02 12:48:26,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (1/1) ... [2018-10-02 12:48:26,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (1/1) ... [2018-10-02 12:48:26,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (1/1) ... [2018-10-02 12:48:26,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (1/1) ... [2018-10-02 12:48:26,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (1/1) ... [2018-10-02 12:48:26,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (1/1) ... [2018-10-02 12:48:26,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:48:26,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:48:26,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:48:26,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:48:26,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:48:26" (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 12:48:27,006 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-10-02 12:48:27,007 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-10-02 12:48:27,198 INFO L337 CfgBuilder]: Using library mode [2018-10-02 12:48:27,199 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:48:27 BoogieIcfgContainer [2018-10-02 12:48:27,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:48:27,200 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:48:27,200 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:48:27,212 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:48:27,212 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:48:27" (1/1) ... [2018-10-02 12:48:27,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:48:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-02 12:48:27,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-02 12:48:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-02 12:48:27,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:27,514 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 12:48:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:27,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-02 12:48:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-02 12:48:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 12:48:27,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:27,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:27,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-10-02 12:48:27,983 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-10-02 12:48:27,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 12:48:27,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:28,409 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-02 12:48:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-02 12:48:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-02 12:48:28,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 12:48:28,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:28,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:28,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-10-02 12:48:28,933 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-10-02 12:48:28,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 12:48:28,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:29,430 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-02 12:48:29,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-10-02 12:48:29,527 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-10-02 12:48:29,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:48:29,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:29,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:29,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-02 12:48:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-02 12:48:29,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:48:29,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:29,962 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:30,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-10-02 12:48:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-10-02 12:48:30,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 12:48:30,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:30,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-10-02 12:48:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-10-02 12:48:30,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:48:30,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:31,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-10-02 12:48:31,219 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-10-02 12:48:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:48:31,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:31,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-10-02 12:48:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-10-02 12:48:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:48:31,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:31,880 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:32,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:32,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-02 12:48:32,205 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-02 12:48:32,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:48:32,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:32,323 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:32,757 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-02 12:48:32,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-10-02 12:48:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-10-02 12:48:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:48:32,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:33,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:33,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-10-02 12:48:33,318 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-10-02 12:48:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:48:33,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:33,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-10-02 12:48:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-10-02 12:48:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:48:33,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:34,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-10-02 12:48:34,478 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-10-02 12:48:34,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:48:34,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:35,149 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-02 12:48:35,470 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2018-10-02 12:48:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:35,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-10-02 12:48:35,524 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-10-02 12:48:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:48:35,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:35,878 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-02 12:48:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-10-02 12:48:36,130 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-10-02 12:48:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 12:48:36,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:36,846 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-10-02 12:48:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-10-02 12:48:36,868 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-10-02 12:48:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 12:48:36,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:36,999 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:37,250 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-02 12:48:37,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-10-02 12:48:37,575 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-10-02 12:48:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 12:48:37,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:37,690 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:38,637 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-02 12:48:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-10-02 12:48:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-10-02 12:48:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 12:48:38,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:39,388 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-02 12:48:39,700 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-02 12:48:39,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-10-02 12:48:39,834 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-10-02 12:48:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 12:48:39,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:39,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:40,533 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-02 12:48:41,337 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-02 12:48:41,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:41,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-10-02 12:48:41,361 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-10-02 12:48:41,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 12:48:41,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:42,390 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-02 12:48:43,260 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-10-02 12:48:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-10-02 12:48:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-10-02 12:48:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-02 12:48:43,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:43,892 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-02 12:48:44,336 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-02 12:48:44,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:44,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-10-02 12:48:44,359 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-10-02 12:48:44,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 12:48:44,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:44,945 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-02 12:48:45,349 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-02 12:48:45,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-10-02 12:48:45,389 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-10-02 12:48:45,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 12:48:45,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:45,680 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:46,113 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-02 12:48:46,561 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-02 12:48:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-10-02 12:48:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-10-02 12:48:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 12:48:46,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:46,778 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:47,285 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-02 12:48:47,724 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-02 12:48:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:47,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-10-02 12:48:47,778 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-10-02 12:48:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 12:48:47,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:48,928 WARN L178 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-02 12:48:49,413 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-02 12:48:49,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:49,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-10-02 12:48:49,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-10-02 12:48:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 12:48:49,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:51,459 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-02 12:48:51,930 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-10-02 12:48:51,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:51,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-10-02 12:48:51,976 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-10-02 12:48:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 12:48:51,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:52,736 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-02 12:48:53,260 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-10-02 12:48:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-10-02 12:48:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-10-02 12:48:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 12:48:53,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:54,251 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-02 12:48:54,798 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-02 12:48:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:54,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-10-02 12:48:54,823 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-10-02 12:48:54,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 12:48:54,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:55,496 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-02 12:48:56,356 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-02 12:48:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-10-02 12:48:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-10-02 12:48:56,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 12:48:56,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:57,167 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-10-02 12:48:57,757 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-10-02 12:48:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-10-02 12:48:57,791 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-10-02 12:48:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-02 12:48:57,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:58,029 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:48:58,530 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-10-02 12:48:59,160 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-10-02 12:48:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:48:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-10-02 12:48:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-10-02 12:48:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 12:48:59,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:48:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:48:59,449 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:00,057 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-02 12:49:00,722 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-02 12:49:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-10-02 12:49:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-10-02 12:49:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-02 12:49:00,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:01,732 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-10-02 12:49:02,442 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-10-02 12:49:02,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-10-02 12:49:02,484 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-10-02 12:49:02,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 12:49:02,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:02,827 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:03,511 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-10-02 12:49:04,248 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-10-02 12:49:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-10-02 12:49:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-10-02 12:49:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 12:49:04,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:05,708 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-10-02 12:49:06,507 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-10-02 12:49:06,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-10-02 12:49:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-10-02 12:49:06,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 12:49:06,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:07,566 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-02 12:49:08,367 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-02 12:49:08,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:08,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-10-02 12:49:08,396 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-10-02 12:49:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-02 12:49:08,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:09,411 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-10-02 12:49:10,230 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-10-02 12:49:10,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-10-02 12:49:10,259 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-10-02 12:49:10,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 12:49:10,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:10,513 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:11,354 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-10-02 12:49:12,207 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-10-02 12:49:12,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:12,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-10-02 12:49:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-10-02 12:49:12,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 12:49:12,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:12,574 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:13,308 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-02 12:49:14,207 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-10-02 12:49:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-10-02 12:49:14,236 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-10-02 12:49:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 12:49:14,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:14,663 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:15,399 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-10-02 12:49:16,408 WARN L178 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-10-02 12:49:16,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-10-02 12:49:16,438 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-10-02 12:49:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 12:49:16,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:17,519 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-10-02 12:49:18,461 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-10-02 12:49:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-10-02 12:49:18,493 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-10-02 12:49:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 12:49:18,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:20,095 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-10-02 12:49:21,131 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-10-02 12:49:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:21,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-10-02 12:49:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-10-02 12:49:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 12:49:21,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:21,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:22,611 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-10-02 12:49:23,622 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-02 12:49:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-10-02 12:49:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-10-02 12:49:23,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 12:49:23,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:23,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:24,784 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-10-02 12:49:25,845 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-10-02 12:49:25,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:25,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-10-02 12:49:25,879 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-10-02 12:49:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-02 12:49:25,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:28,062 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-10-02 12:49:29,156 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-10-02 12:49:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:29,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-10-02 12:49:29,189 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-10-02 12:49:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 12:49:29,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:30,639 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-10-02 12:49:31,876 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-10-02 12:49:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:31,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-10-02 12:49:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-10-02 12:49:31,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 12:49:31,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:32,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:33,212 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-02 12:49:34,373 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-10-02 12:49:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-10-02 12:49:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-10-02 12:49:34,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 12:49:34,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:36,376 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-10-02 12:49:37,606 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-10-02 12:49:37,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:37,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-10-02 12:49:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-10-02 12:49:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 12:49:37,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:38,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:39,026 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-10-02 12:49:40,273 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-10-02 12:49:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-10-02 12:49:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-10-02 12:49:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 12:49:40,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:41,707 WARN L178 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-02 12:49:43,046 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-10-02 12:49:43,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:43,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-10-02 12:49:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-10-02 12:49:43,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-02 12:49:43,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:43,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:44,566 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-10-02 12:49:45,902 WARN L178 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-10-02 12:49:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-10-02 12:49:45,937 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-10-02 12:49:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 12:49:45,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:47,569 WARN L178 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-10-02 12:49:48,975 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-10-02 12:49:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-10-02 12:49:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-10-02 12:49:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 12:49:49,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:49,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:50,485 WARN L178 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-10-02 12:49:51,908 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-10-02 12:49:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-10-02 12:49:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-10-02 12:49:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 12:49:51,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:53,602 WARN L178 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-10-02 12:49:55,059 WARN L178 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-10-02 12:49:55,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-10-02 12:49:55,093 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-10-02 12:49:55,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-02 12:49:55,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:49:56,669 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-10-02 12:49:58,186 WARN L178 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2018-10-02 12:49:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:49:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-10-02 12:49:58,226 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-10-02 12:49:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 12:49:58,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:49:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:49:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:00,139 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-10-02 12:50:01,660 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-10-02 12:50:01,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:01,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-10-02 12:50:01,696 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-10-02 12:50:01,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-02 12:50:01,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:03,575 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-10-02 12:50:05,160 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-10-02 12:50:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-10-02 12:50:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-10-02 12:50:05,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 12:50:05,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:06,863 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-02 12:50:08,534 WARN L178 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-02 12:50:08,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-10-02 12:50:08,567 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-10-02 12:50:08,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-02 12:50:08,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:10,291 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-10-02 12:50:11,959 WARN L178 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-10-02 12:50:11,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:11,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-10-02 12:50:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-10-02 12:50:11,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 12:50:11,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:12,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:13,977 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-10-02 12:50:15,664 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-10-02 12:50:15,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-10-02 12:50:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-10-02 12:50:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-02 12:50:15,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:18,977 WARN L178 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-02 12:50:20,719 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-10-02 12:50:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-10-02 12:50:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-10-02 12:50:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 12:50:20,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:22,691 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-10-02 12:50:24,514 WARN L178 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-10-02 12:50:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-10-02 12:50:24,552 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-10-02 12:50:24,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-02 12:50:24,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:26,455 WARN L178 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-10-02 12:50:28,403 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-10-02 12:50:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-10-02 12:50:28,440 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-10-02 12:50:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 12:50:28,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:30,576 WARN L178 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-10-02 12:50:32,467 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-10-02 12:50:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:32,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-10-02 12:50:32,505 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-10-02 12:50:32,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-02 12:50:32,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:33,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:34,654 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-10-02 12:50:36,576 WARN L178 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-10-02 12:50:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-10-02 12:50:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-10-02 12:50:36,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 12:50:36,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:38,756 WARN L178 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-10-02 12:50:40,717 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-10-02 12:50:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:40,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-10-02 12:50:40,761 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-10-02 12:50:40,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-02 12:50:40,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:42,943 WARN L178 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-10-02 12:50:45,005 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-10-02 12:50:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-10-02 12:50:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-10-02 12:50:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 12:50:45,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:47,143 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-10-02 12:50:49,252 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-10-02 12:50:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:49,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-10-02 12:50:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-10-02 12:50:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-02 12:50:49,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:51,488 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-10-02 12:50:53,732 WARN L178 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-10-02 12:50:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-10-02 12:50:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-10-02 12:50:53,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 12:50:53,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:50:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:50:57,304 WARN L178 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-10-02 12:50:59,530 WARN L178 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-10-02 12:50:59,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:50:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-10-02 12:50:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-10-02 12:50:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-02 12:50:59,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:50:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:02,568 WARN L178 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-10-02 12:51:04,860 WARN L178 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-10-02 12:51:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-10-02 12:51:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-10-02 12:51:04,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 12:51:04,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:06,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:08,187 WARN L178 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-02 12:51:10,541 WARN L178 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-10-02 12:51:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-10-02 12:51:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-10-02 12:51:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-02 12:51:10,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:13,013 WARN L178 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-10-02 12:51:15,411 WARN L178 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-10-02 12:51:15,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-10-02 12:51:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-10-02 12:51:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 12:51:15,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:18,737 WARN L178 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-10-02 12:51:21,215 WARN L178 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-10-02 12:51:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:21,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-10-02 12:51:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-10-02 12:51:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-02 12:51:21,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:21,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:23,817 WARN L178 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-10-02 12:51:26,291 WARN L178 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-10-02 12:51:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-10-02 12:51:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-10-02 12:51:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 12:51:26,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:29,183 WARN L178 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2018-10-02 12:51:31,748 WARN L178 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-10-02 12:51:31,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-10-02 12:51:31,793 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-10-02 12:51:31,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-02 12:51:31,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:34,423 WARN L178 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-10-02 12:51:37,076 WARN L178 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-10-02 12:51:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-10-02 12:51:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-10-02 12:51:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 12:51:37,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:38,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:40,728 WARN L178 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-10-02 12:51:43,403 WARN L178 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-10-02 12:51:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-10-02 12:51:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-10-02 12:51:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-02 12:51:43,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:46,397 WARN L178 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-10-02 12:51:49,110 WARN L178 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2018-10-02 12:51:49,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-10-02 12:51:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-10-02 12:51:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 12:51:49,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:52,058 WARN L178 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-10-02 12:51:54,877 WARN L178 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-10-02 12:51:54,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:51:54,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-10-02 12:51:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-10-02 12:51:54,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-02 12:51:54,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:51:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:51:55,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:51:57,988 WARN L178 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-10-02 12:52:00,862 WARN L178 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-10-02 12:52:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:00,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-10-02 12:52:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-10-02 12:52:00,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 12:52:00,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:03,878 WARN L178 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-10-02 12:52:06,778 WARN L178 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-10-02 12:52:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:06,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-10-02 12:52:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-10-02 12:52:06,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-02 12:52:06,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:09,917 WARN L178 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-10-02 12:52:12,869 WARN L178 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-10-02 12:52:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-10-02 12:52:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-10-02 12:52:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 12:52:12,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:16,106 WARN L178 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-10-02 12:52:19,214 WARN L178 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-10-02 12:52:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-10-02 12:52:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-10-02 12:52:19,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-02 12:52:19,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:22,518 WARN L178 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-10-02 12:52:25,674 WARN L178 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-10-02 12:52:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-10-02 12:52:25,724 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-10-02 12:52:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 12:52:25,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:29,031 WARN L178 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-10-02 12:52:32,207 WARN L178 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-10-02 12:52:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-10-02 12:52:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-10-02 12:52:32,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-02 12:52:32,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:35,492 WARN L178 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2018-10-02 12:52:38,715 WARN L178 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2018-10-02 12:52:38,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:52:38,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 94 states and 185 transitions. [2018-10-02 12:52:38,761 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 185 transitions. [2018-10-02 12:52:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 12:52:38,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:52:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:52:39,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:52:42,107 WARN L178 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 457 Received shutdown request... [2018-10-02 12:52:43,270 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 12:52:43,273 INFO L168 Benchmark]: Toolchain (without parser) took 256400.38 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -144.7 MB). Free memory was 1.5 GB in the beginning and 963.6 MB in the end (delta: 511.0 MB). Peak memory consumption was 366.3 MB. Max. memory is 7.1 GB. [2018-10-02 12:52:43,274 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.93 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 12:52:43,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.26 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 12:52:43,275 INFO L168 Benchmark]: Boogie Preprocessor took 18.97 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 12:52:43,275 INFO L168 Benchmark]: RCFGBuilder took 258.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-02 12:52:43,275 INFO L168 Benchmark]: CodeCheck took 256072.70 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -144.7 MB). Free memory was 1.5 GB in the beginning and 963.6 MB in the end (delta: 489.9 MB). Peak memory consumption was 345.1 MB. Max. memory is 7.1 GB. [2018-10-02 12:52:43,278 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 363 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.93 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 44.26 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 18.97 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 258.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 256072.70 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -144.7 MB). Free memory was 1.5 GB in the beginning and 963.6 MB in the end (delta: 489.9 MB). Peak memory consumption was 345.1 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/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-02_12-52-43-288.csv Completed graceful shutdown