java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 22:03:49,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 22:03:49,609 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 22:03:49,623 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 22:03:49,624 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 22:03:49,625 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 22:03:49,626 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 22:03:49,629 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 22:03:49,633 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 22:03:49,634 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 22:03:49,637 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 22:03:49,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 22:03:49,638 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 22:03:49,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 22:03:49,640 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 22:03:49,642 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 22:03:49,643 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 22:03:49,646 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 22:03:49,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 22:03:49,659 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 22:03:49,660 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 22:03:49,661 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 22:03:49,666 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 22:03:49,666 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 22:03:49,666 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 22:03:49,667 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 22:03:49,668 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 22:03:49,670 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 22:03:49,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 22:03:49,674 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 22:03:49,674 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 22:03:49,675 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 22:03:49,675 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 22:03:49,675 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 22:03:49,676 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 22:03:49,677 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 22:03:49,677 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 [2018-09-23 22:03:49,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 22:03:49,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 22:03:49,693 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 22:03:49,693 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 22:03:49,694 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 22:03:49,694 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 22:03:49,694 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 22:03:49,694 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 22:03:49,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 22:03:49,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 22:03:49,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 22:03:49,695 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 22:03:49,695 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 22:03:49,695 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 22:03:49,696 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 22:03:49,696 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 22:03:49,696 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 22:03:49,696 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 22:03:49,696 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 22:03:49,697 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 22:03:49,697 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 22:03:49,697 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:03:49,697 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 22:03:49,697 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 22:03:49,698 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 22:03:49,698 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 22:03:49,698 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 22:03:49,698 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 22:03:49,698 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 22:03:49,748 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 22:03:49,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 22:03:49,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 22:03:49,768 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 22:03:49,769 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 22:03:49,769 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2018-09-23 22:03:49,770 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2018-09-23 22:03:49,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 22:03:49,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 22:03:49,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 22:03:49,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 22:03:49,848 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 22:03:49,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... [2018-09-23 22:03:49,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... [2018-09-23 22:03:49,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 22:03:49,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 22:03:49,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 22:03:49,893 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 22:03:49,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... [2018-09-23 22:03:49,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... [2018-09-23 22:03:49,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... [2018-09-23 22:03:49,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... [2018-09-23 22:03:49,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... [2018-09-23 22:03:49,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... [2018-09-23 22:03:49,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... [2018-09-23 22:03:49,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 22:03:49,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 22:03:49,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 22:03:49,938 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 22:03:49,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:03:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:03:50,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 22:03:50,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 22:03:50,342 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 22:03:50,343 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:03:50 BoogieIcfgContainer [2018-09-23 22:03:50,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 22:03:50,344 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 22:03:50,344 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 22:03:50,358 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 22:03:50,359 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:03:50" (1/1) ... [2018-09-23 22:03:50,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 22:03:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-23 22:03:50,500 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-23 22:03:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-23 22:03:50,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:51,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-23 22:03:51,171 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-23 22:03:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 22:03:51,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:51,488 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 13 [2018-09-23 22:03:51,822 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-09-23 22:03:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:52,697 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-23 22:03:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-09-23 22:03:53,411 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-09-23 22:03:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 22:03:53,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:54,055 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:55,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 14 states and 30 transitions. [2018-09-23 22:03:55,488 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 30 transitions. [2018-09-23 22:03:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 22:03:55,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:56,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:56,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 16 states and 38 transitions. [2018-09-23 22:03:56,792 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 38 transitions. [2018-09-23 22:03:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 22:03:56,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 17 states and 38 transitions. [2018-09-23 22:03:57,576 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 38 transitions. [2018-09-23 22:03:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 22:03:57,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:58,576 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2018-09-23 22:03:58,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:58,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 39 transitions. [2018-09-23 22:03:58,611 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 39 transitions. [2018-09-23 22:03:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 22:03:58,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:00,173 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2018-09-23 22:04:00,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:00,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 21 states and 48 transitions. [2018-09-23 22:04:00,588 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 48 transitions. [2018-09-23 22:04:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 22:04:00,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 22 states and 48 transitions. [2018-09-23 22:04:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 48 transitions. [2018-09-23 22:04:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 22:04:01,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:01,825 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2018-09-23 22:04:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2018-09-23 22:04:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:04:02,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:04,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:04,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 26 states and 56 transitions. [2018-09-23 22:04:04,768 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 56 transitions. [2018-09-23 22:04:04,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:04:04,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:05,258 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:05,900 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-09-23 22:04:06,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:06,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 27 states and 56 transitions. [2018-09-23 22:04:06,248 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 56 transitions. [2018-09-23 22:04:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:04:06,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:07,907 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-09-23 22:04:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2018-09-23 22:04:07,943 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2018-09-23 22:04:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:04:07,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:09,373 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-23 22:04:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:10,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 31 states and 64 transitions. [2018-09-23 22:04:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 64 transitions. [2018-09-23 22:04:10,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:04:10,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:11,944 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-23 22:04:12,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:12,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 32 states and 64 transitions. [2018-09-23 22:04:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 64 transitions. [2018-09-23 22:04:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 22:04:12,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-09-23 22:04:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-09-23 22:04:13,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:04:13,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:15,463 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:16,641 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-09-23 22:04:17,611 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-09-23 22:04:18,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2018-09-23 22:04:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2018-09-23 22:04:18,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:04:18,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:18,639 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:19,316 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 31 [2018-09-23 22:04:19,532 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-09-23 22:04:20,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2018-09-23 22:04:20,022 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2018-09-23 22:04:20,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 22:04:20,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:20,729 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-23 22:04:21,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:21,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2018-09-23 22:04:21,215 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2018-09-23 22:04:21,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:04:21,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:21,537 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:22,542 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-09-23 22:04:23,515 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2018-09-23 22:04:24,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:24,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2018-09-23 22:04:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2018-09-23 22:04:24,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:04:24,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:24,359 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:24,891 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-09-23 22:04:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:25,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 80 transitions. [2018-09-23 22:04:25,481 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2018-09-23 22:04:25,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:04:25,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:26,536 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-09-23 22:04:27,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:27,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2018-09-23 22:04:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2018-09-23 22:04:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 22:04:27,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:27,670 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:27,955 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-09-23 22:04:28,834 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-09-23 22:04:29,958 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-09-23 22:04:30,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-09-23 22:04:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-09-23 22:04:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 22:04:30,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:31,753 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-09-23 22:04:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:32,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2018-09-23 22:04:32,444 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2018-09-23 22:04:32,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 22:04:32,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:33,087 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-09-23 22:04:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:33,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2018-09-23 22:04:33,791 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2018-09-23 22:04:33,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:04:33,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:34,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:34,891 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-09-23 22:04:35,617 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-09-23 22:04:35,851 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2018-09-23 22:04:36,528 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2018-09-23 22:04:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2018-09-23 22:04:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2018-09-23 22:04:37,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:04:37,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:38,182 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-09-23 22:04:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:38,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2018-09-23 22:04:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2018-09-23 22:04:38,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:04:38,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:40,053 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2018-09-23 22:04:41,049 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-09-23 22:04:41,551 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-09-23 22:04:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2018-09-23 22:04:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2018-09-23 22:04:41,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 22:04:41,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:42,251 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:42,856 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-23 22:04:44,499 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2018-09-23 22:04:45,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 55 states and 101 transitions. [2018-09-23 22:04:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2018-09-23 22:04:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 22:04:45,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:45,778 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2018-09-23 22:04:46,124 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-09-23 22:04:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:47,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2018-09-23 22:04:47,036 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2018-09-23 22:04:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 22:04:47,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:48,065 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-09-23 22:04:49,080 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-09-23 22:04:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:49,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2018-09-23 22:04:49,558 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2018-09-23 22:04:49,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:04:49,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:50,701 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-09-23 22:04:51,661 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-23 22:04:51,965 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 31 [2018-09-23 22:04:52,648 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2018-09-23 22:04:53,537 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-23 22:04:53,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:53,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2018-09-23 22:04:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2018-09-23 22:04:53,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:04:53,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:53,960 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:54,190 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 31 [2018-09-23 22:04:54,502 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-23 22:04:55,469 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-23 22:04:55,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2018-09-23 22:04:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2018-09-23 22:04:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 22:04:55,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:56,184 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-09-23 22:04:57,407 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-09-23 22:04:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:04:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2018-09-23 22:04:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2018-09-23 22:04:57,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:04:57,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:04:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:04:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:04:59,117 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2018-09-23 22:05:00,477 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-09-23 22:05:01,058 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-23 22:05:02,144 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2018-09-23 22:05:03,135 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-23 22:05:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:03,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 66 states and 120 transitions. [2018-09-23 22:05:03,200 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 120 transitions. [2018-09-23 22:05:03,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:05:03,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:04,043 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-09-23 22:05:05,133 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-23 22:05:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 67 states and 120 transitions. [2018-09-23 22:05:05,169 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 120 transitions. [2018-09-23 22:05:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:05:05,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:05,400 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:06,030 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-09-23 22:05:07,091 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-23 22:05:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 68 states and 120 transitions. [2018-09-23 22:05:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2018-09-23 22:05:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:05:07,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:08,129 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:08,717 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2018-09-23 22:05:10,186 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-09-23 22:05:10,867 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-23 22:05:12,065 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2018-09-23 22:05:13,170 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-23 22:05:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2018-09-23 22:05:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2018-09-23 22:05:13,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:05:13,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:14,092 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-09-23 22:05:15,198 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-23 22:05:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:15,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2018-09-23 22:05:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2018-09-23 22:05:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 22:05:15,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:15,825 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 31 [2018-09-23 22:05:16,196 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-09-23 22:05:17,453 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-23 22:05:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 73 states and 128 transitions. [2018-09-23 22:05:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2018-09-23 22:05:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:05:17,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:18,213 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:18,759 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2018-09-23 22:05:20,263 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-09-23 22:05:20,955 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-23 22:05:22,271 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 132 [2018-09-23 22:05:23,461 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-23 22:05:23,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:23,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 76 states and 136 transitions. [2018-09-23 22:05:23,519 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 136 transitions. [2018-09-23 22:05:23,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:05:23,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:24,483 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-09-23 22:05:25,825 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-23 22:05:25,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 77 states and 136 transitions. [2018-09-23 22:05:25,859 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 136 transitions. [2018-09-23 22:05:25,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:05:25,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:26,884 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 31 [2018-09-23 22:05:27,404 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-09-23 22:05:28,671 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-23 22:05:28,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:28,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 78 states and 136 transitions. [2018-09-23 22:05:28,713 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 136 transitions. [2018-09-23 22:05:28,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:05:28,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:30,220 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-09-23 22:05:31,522 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-23 22:05:31,875 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 31 [2018-09-23 22:05:32,940 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2018-09-23 22:05:34,320 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-23 22:05:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 80 states and 141 transitions. [2018-09-23 22:05:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 141 transitions. [2018-09-23 22:05:34,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:05:34,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:34,983 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 31 [2018-09-23 22:05:35,414 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-09-23 22:05:37,047 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-23 22:05:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 81 states and 141 transitions. [2018-09-23 22:05:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 141 transitions. [2018-09-23 22:05:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 22:05:37,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:37,916 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2018-09-23 22:05:38,980 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-23 22:05:39,584 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-09-23 22:05:40,435 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-23 22:05:40,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 144 transitions. [2018-09-23 22:05:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2018-09-23 22:05:40,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:05:40,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:41,188 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:41,991 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2018-09-23 22:05:43,254 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-23 22:05:43,969 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-09-23 22:05:44,874 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-23 22:05:46,251 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 148 [2018-09-23 22:05:47,700 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-23 22:05:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:47,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 86 states and 152 transitions. [2018-09-23 22:05:47,766 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 152 transitions. [2018-09-23 22:05:47,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:05:47,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:48,849 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-09-23 22:05:50,377 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-09-23 22:05:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:50,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 87 states and 152 transitions. [2018-09-23 22:05:50,417 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 152 transitions. [2018-09-23 22:05:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:05:50,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:50,915 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:51,298 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 31 [2018-09-23 22:05:51,866 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-09-23 22:05:53,354 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-23 22:05:53,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:05:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 88 states and 152 transitions. [2018-09-23 22:05:53,402 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 152 transitions. [2018-09-23 22:05:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:05:53,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:05:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:05:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:05:54,876 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2018-09-23 22:05:56,117 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-09-23 22:05:56,981 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-09-23 22:05:57,993 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-23 22:05:59,495 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2018-09-23 22:06:01,021 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-23 22:06:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2018-09-23 22:06:01,090 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2018-09-23 22:06:01,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:06:01,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:01,333 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:02,213 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-09-23 22:06:03,866 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-23 22:06:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2018-09-23 22:06:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2018-09-23 22:06:03,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:06:03,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:04,479 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 31 [2018-09-23 22:06:05,026 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-09-23 22:06:06,671 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-09-23 22:06:06,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:06,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 93 states and 160 transitions. [2018-09-23 22:06:06,716 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 160 transitions. [2018-09-23 22:06:06,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:06:06,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:08,669 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 146 [2018-09-23 22:06:10,189 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-23 22:06:10,992 WARN L178 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-09-23 22:06:12,040 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-09-23 22:06:13,681 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2018-09-23 22:06:15,457 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-09-23 22:06:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:15,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 96 states and 168 transitions. [2018-09-23 22:06:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 168 transitions. [2018-09-23 22:06:15,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:06:15,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:16,744 WARN L178 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-09-23 22:06:18,690 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-23 22:06:18,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:18,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 97 states and 168 transitions. [2018-09-23 22:06:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 168 transitions. [2018-09-23 22:06:18,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:06:18,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:19,313 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 31 [2018-09-23 22:06:19,956 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-09-23 22:06:21,682 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-23 22:06:21,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:21,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 98 states and 168 transitions. [2018-09-23 22:06:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 168 transitions. [2018-09-23 22:06:21,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:06:21,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:23,529 WARN L178 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2018-09-23 22:06:25,103 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-23 22:06:26,000 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-09-23 22:06:27,187 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-23 22:06:28,977 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 172 [2018-09-23 22:06:30,849 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-23 22:06:30,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 101 states and 176 transitions. [2018-09-23 22:06:30,912 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 176 transitions. [2018-09-23 22:06:30,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:06:30,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:31,083 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:32,142 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2018-09-23 22:06:33,967 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-23 22:06:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 176 transitions. [2018-09-23 22:06:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2018-09-23 22:06:34,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:06:34,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:35,255 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2018-09-23 22:06:35,856 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-09-23 22:06:37,698 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-23 22:06:37,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 176 transitions. [2018-09-23 22:06:37,749 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 176 transitions. [2018-09-23 22:06:37,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:06:37,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:40,351 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-09-23 22:06:42,247 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-09-23 22:06:44,127 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 180 [2018-09-23 22:06:46,123 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-09-23 22:06:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 105 states and 181 transitions. [2018-09-23 22:06:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 181 transitions. [2018-09-23 22:06:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:06:46,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:47,258 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 31 [2018-09-23 22:06:47,901 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2018-09-23 22:06:49,898 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-23 22:06:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:49,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 106 states and 181 transitions. [2018-09-23 22:06:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 181 transitions. [2018-09-23 22:06:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:06:49,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:51,654 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2018-09-23 22:06:53,423 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-23 22:06:54,360 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-09-23 22:06:55,572 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-23 22:06:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:06:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 184 transitions. [2018-09-23 22:06:55,626 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-09-23 22:06:55,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:06:55,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:06:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:06:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:06:57,733 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 31 [2018-09-23 22:06:58,407 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-09-23 22:07:00,633 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-09-23 22:07:01,130 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 31 [2018-09-23 22:07:02,728 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2018-09-23 22:07:04,968 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-09-23 22:07:05,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 189 transitions. [2018-09-23 22:07:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2018-09-23 22:07:05,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:07:05,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:07:05,818 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:06,740 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2018-09-23 22:07:08,559 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-23 22:07:09,615 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2018-09-23 22:07:11,039 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-23 22:07:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 192 transitions. [2018-09-23 22:07:11,090 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2018-09-23 22:07:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:07:11,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:07:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:12,258 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 31 [2018-09-23 22:07:12,949 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-09-23 22:07:15,075 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-09-23 22:07:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 192 transitions. [2018-09-23 22:07:15,123 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 192 transitions. [2018-09-23 22:07:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:07:15,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:07:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:17,667 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 178 [2018-09-23 22:07:19,549 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-09-23 22:07:20,586 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-09-23 22:07:21,987 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-09-23 22:07:22,489 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 31 [2018-09-23 22:07:24,121 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2018-09-23 22:07:26,439 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-23 22:07:26,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2018-09-23 22:07:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2018-09-23 22:07:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:07:26,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:07:27,177 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:27,645 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 31 [2018-09-23 22:07:28,430 WARN L178 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2018-09-23 22:07:30,670 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-23 22:07:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 117 states and 200 transitions. [2018-09-23 22:07:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 200 transitions. [2018-09-23 22:07:30,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:07:30,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:07:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:31,910 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 31 [2018-09-23 22:07:32,600 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-09-23 22:07:34,934 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-09-23 22:07:35,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:35,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2018-09-23 22:07:35,007 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2018-09-23 22:07:35,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:07:35,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:07:36,585 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:37,036 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 29 [2018-09-23 22:07:37,717 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2018-09-23 22:07:39,744 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-09-23 22:07:41,022 WARN L178 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-09-23 22:07:42,502 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-09-23 22:07:44,700 WARN L178 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 204 [2018-09-23 22:07:47,174 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-23 22:07:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:47,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 121 states and 208 transitions. [2018-09-23 22:07:47,248 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 208 transitions. [2018-09-23 22:07:47,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:07:47,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:07:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:48,462 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2018-09-23 22:07:49,240 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2018-09-23 22:07:51,625 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-09-23 22:07:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2018-09-23 22:07:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2018-09-23 22:07:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:07:51,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:07:52,454 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:52,967 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 31 [2018-09-23 22:07:53,746 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2018-09-23 22:07:56,131 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-23 22:07:56,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:07:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 123 states and 208 transitions. [2018-09-23 22:07:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2018-09-23 22:07:56,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:07:56,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:07:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:07:57,958 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:07:58,426 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 31 [2018-09-23 22:07:59,225 WARN L178 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 217 [2018-09-23 22:08:01,797 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-23 22:08:02,359 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 31 [2018-09-23 22:08:04,233 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 [2018-09-23 22:08:06,874 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-23 22:08:06,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:08:06,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 125 states and 213 transitions. [2018-09-23 22:08:06,964 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 213 transitions. [2018-09-23 22:08:06,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:08:06,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:08:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:08:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:08:08,236 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 31 Received shutdown request... [2018-09-23 22:08:08,381 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 22:08:08,383 INFO L168 Benchmark]: Toolchain (without parser) took 258538.62 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -48.8 MB). Free memory was 1.5 GB in the beginning and 907.6 MB in the end (delta: 562.3 MB). Peak memory consumption was 513.5 MB. Max. memory is 7.1 GB. [2018-09-23 22:08:08,384 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-09-23 22:08:08,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.32 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. [2018-09-23 22:08:08,385 INFO L168 Benchmark]: Boogie Preprocessor took 44.55 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. [2018-09-23 22:08:08,385 INFO L168 Benchmark]: RCFGBuilder took 405.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-23 22:08:08,386 INFO L168 Benchmark]: CodeCheck took 258038.79 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -48.8 MB). Free memory was 1.4 GB in the beginning and 907.6 MB in the end (delta: 541.2 MB). Peak memory consumption was 492.4 MB. Max. memory is 7.1 GB. [2018-09-23 22:08:08,388 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 497 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 44.32 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 44.55 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 405.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 258038.79 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -48.8 MB). Free memory was 1.4 GB in the beginning and 907.6 MB in the end (delta: 541.2 MB). Peak memory consumption was 492.4 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/linear_sea.ch.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_22-08-08-401.csv Completed graceful shutdown