java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:16:23,637 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:16:23,639 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:16:23,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:16:23,660 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:16:23,661 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:16:23,662 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:16:23,665 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:16:23,668 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:16:23,674 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:16:23,676 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:16:23,676 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:16:23,677 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:16:23,681 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:16:23,686 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:16:23,687 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:16:23,688 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:16:23,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:16:23,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:16:23,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:16:23,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:16:23,705 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:16:23,708 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:16:23,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:16:23,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:16:23,709 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:16:23,710 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:16:23,711 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:16:23,711 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:16:23,712 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:16:23,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:16:23,713 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:16:23,713 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:16:23,714 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:16:23,715 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:16:23,715 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:16:23,716 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 [2018-09-26 22:16:23,731 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:16:23,731 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:16:23,732 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:16:23,732 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:16:23,733 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:16:23,733 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:16:23,733 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:16:23,733 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:16:23,734 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:16:23,734 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:16:23,734 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:16:23,734 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:16:23,734 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:16:23,735 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:16:23,735 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:16:23,735 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:16:23,735 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:16:23,735 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:16:23,736 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:16:23,736 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:16:23,736 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:16:23,736 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:16:23,736 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:16:23,737 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:16:23,737 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:16:23,737 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:16:23,737 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:16:23,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:16:23,738 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:16:23,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:16:23,797 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:16:23,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:16:23,807 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:16:23,807 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:16:23,809 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl [2018-09-26 22:16:23,809 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/down.i_4.bpl' [2018-09-26 22:16:23,873 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:16:23,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:16:23,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:16:23,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:16:23,878 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:16:23,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (1/1) ... [2018-09-26 22:16:23,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (1/1) ... [2018-09-26 22:16:23,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:16:23,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:16:23,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:16:23,925 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:16:23,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (1/1) ... [2018-09-26 22:16:23,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (1/1) ... [2018-09-26 22:16:23,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (1/1) ... [2018-09-26 22:16:23,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (1/1) ... [2018-09-26 22:16:23,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (1/1) ... [2018-09-26 22:16:23,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (1/1) ... [2018-09-26 22:16:23,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (1/1) ... [2018-09-26 22:16:23,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:16:23,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:16:23,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:16:23,949 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:16:23,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:16:23" (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 [2018-09-26 22:16:24,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:16:24,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:16:24,319 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:16:24,320 INFO L202 PluginConnector]: Adding new model down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:16:24 BoogieIcfgContainer [2018-09-26 22:16:24,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:16:24,321 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:16:24,321 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:16:24,333 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:16:24,334 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:16:24" (1/1) ... [2018-09-26 22:16:24,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:16:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-26 22:16:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-26 22:16:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:16:24,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:24,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-09-26 22:16:24,812 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-09-26 22:16:24,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:16:24,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-09-26 22:16:26,163 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-09-26 22:16:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:16:26,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:26,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-26 22:16:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-26 22:16:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:16:26,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:27,606 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 9 [2018-09-26 22:16:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:28,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-09-26 22:16:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-09-26 22:16:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:16:28,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-09-26 22:16:29,064 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-09-26 22:16:29,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:16:29,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-09-26 22:16:30,014 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-09-26 22:16:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:16:30,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:30,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-09-26 22:16:31,522 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-09-26 22:16:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:16:31,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:32,332 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-26 22:16:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-09-26 22:16:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-09-26 22:16:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:16:33,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:33,872 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-09-26 22:16:34,921 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-09-26 22:16:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:16:34,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:36,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-09-26 22:16:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-09-26 22:16:36,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:16:36,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:37,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-09-26 22:16:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-09-26 22:16:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:16:37,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:38,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-09-26 22:16:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-09-26 22:16:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:16:38,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-09-26 22:16:40,231 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-09-26 22:16:40,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:16:40,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:40,536 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:42,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-09-26 22:16:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-09-26 22:16:42,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:16:42,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:43,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-09-26 22:16:43,552 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-09-26 22:16:43,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:16:43,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-09-26 22:16:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-09-26 22:16:45,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:16:45,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:47,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-09-26 22:16:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-09-26 22:16:47,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:16:47,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-09-26 22:16:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-09-26 22:16:49,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:16:49,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-09-26 22:16:51,669 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-09-26 22:16:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:16:51,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:52,887 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:54,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-09-26 22:16:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-09-26 22:16:54,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:16:54,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:55,068 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-09-26 22:16:57,107 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-09-26 22:16:57,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:16:57,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:16:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:16:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-09-26 22:16:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-09-26 22:16:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:16:59,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:16:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:16:59,884 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-09-26 22:17:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-09-26 22:17:02,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:17:02,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:04,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-09-26 22:17:04,570 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-09-26 22:17:04,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:17:04,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-09-26 22:17:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-09-26 22:17:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:17:07,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:09,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-09-26 22:17:09,628 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-09-26 22:17:09,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:17:09,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:12,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-09-26 22:17:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-09-26 22:17:12,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:17:12,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:13,534 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-09-26 22:17:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-09-26 22:17:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:17:15,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:19,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-09-26 22:17:19,112 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-09-26 22:17:19,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:17:19,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:22,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:22,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-09-26 22:17:22,938 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-09-26 22:17:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:17:22,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:23,476 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:25,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-09-26 22:17:25,803 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-09-26 22:17:25,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:17:25,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:29,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:29,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-09-26 22:17:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-09-26 22:17:29,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:17:29,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:29,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:30,637 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-09-26 22:17:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-09-26 22:17:33,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:17:33,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:34,085 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-09-26 22:17:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-09-26 22:17:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 22:17:36,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:37,907 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:40,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:40,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-09-26 22:17:40,648 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-09-26 22:17:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 22:17:40,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-09-26 22:17:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-09-26 22:17:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 22:17:44,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:48,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-09-26 22:17:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-09-26 22:17:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:17:48,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:52,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-09-26 22:17:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-09-26 22:17:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:17:52,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:17:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:17:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:17:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-09-26 22:17:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-09-26 22:17:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:17:59,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:17:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:04,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:04,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-09-26 22:18:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-09-26 22:18:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 22:18:04,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:04,811 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:08,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:08,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-09-26 22:18:08,034 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-09-26 22:18:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 22:18:08,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:08,887 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:12,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:12,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-09-26 22:18:12,106 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-09-26 22:18:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:18:12,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:12,769 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:16,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-09-26 22:18:16,332 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-09-26 22:18:16,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 22:18:16,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-09-26 22:18:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-09-26 22:18:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 22:18:20,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:25,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-09-26 22:18:25,178 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-09-26 22:18:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 22:18:25,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:25,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-09-26 22:18:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-09-26 22:18:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-26 22:18:29,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:34,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-09-26 22:18:34,315 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-09-26 22:18:34,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 22:18:34,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:39,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:39,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-09-26 22:18:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-09-26 22:18:39,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-26 22:18:39,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:44,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-09-26 22:18:44,349 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-09-26 22:18:44,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-26 22:18:44,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:49,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-09-26 22:18:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-09-26 22:18:49,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-26 22:18:49,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-09-26 22:18:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-09-26 22:18:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-26 22:18:54,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:18:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:18:59,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:18:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-09-26 22:18:59,644 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-09-26 22:18:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-26 22:18:59,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:18:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:00,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:04,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 166 states and 573 transitions. [2018-09-26 22:19:04,747 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 573 transitions. [2018-09-26 22:19:04,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-26 22:19:04,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:05,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:10,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:10,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 168 states and 575 transitions. [2018-09-26 22:19:10,230 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 575 transitions. [2018-09-26 22:19:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-26 22:19:10,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:15,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 172 states and 608 transitions. [2018-09-26 22:19:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 608 transitions. [2018-09-26 22:19:15,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-26 22:19:15,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 174 states and 610 transitions. [2018-09-26 22:19:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 610 transitions. [2018-09-26 22:19:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-26 22:19:21,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:21,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 178 states and 644 transitions. [2018-09-26 22:19:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 644 transitions. [2018-09-26 22:19:26,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-26 22:19:26,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:32,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 180 states and 646 transitions. [2018-09-26 22:19:32,123 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 646 transitions. [2018-09-26 22:19:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-26 22:19:32,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 184 states and 681 transitions. [2018-09-26 22:19:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 681 transitions. [2018-09-26 22:19:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-26 22:19:38,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 186 states and 683 transitions. [2018-09-26 22:19:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 683 transitions. [2018-09-26 22:19:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-26 22:19:43,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:49,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:49,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 190 states and 719 transitions. [2018-09-26 22:19:49,744 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 719 transitions. [2018-09-26 22:19:49,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-26 22:19:49,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:50,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:19:55,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:19:55,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 192 states and 721 transitions. [2018-09-26 22:19:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 721 transitions. [2018-09-26 22:19:55,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-26 22:19:55,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:19:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:19:56,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:01,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 196 states and 758 transitions. [2018-09-26 22:20:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 758 transitions. [2018-09-26 22:20:01,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-26 22:20:01,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:02,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:07,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 198 states and 760 transitions. [2018-09-26 22:20:07,908 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 760 transitions. [2018-09-26 22:20:07,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-26 22:20:07,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1056 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 202 states and 798 transitions. [2018-09-26 22:20:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 798 transitions. [2018-09-26 22:20:14,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-26 22:20:14,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 1122 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:20,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:20,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 204 states and 800 transitions. [2018-09-26 22:20:20,381 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 800 transitions. [2018-09-26 22:20:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-26 22:20:20,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1122 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:20:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:20:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 208 states and 839 transitions. [2018-09-26 22:20:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 839 transitions. [2018-09-26 22:20:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-26 22:20:27,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:20:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-26 22:20:27,055 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,055 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,056 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,056 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,056 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,056 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,056 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,057 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,058 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,059 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,059 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,059 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,059 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,059 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,060 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,060 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,060 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,060 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,060 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,061 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,061 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,061 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,061 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,062 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,062 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,062 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,062 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,063 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,063 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,063 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,063 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,063 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,064 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,064 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,064 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,064 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,065 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,065 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,065 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,067 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,068 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,068 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,068 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,068 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,069 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,069 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,069 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,069 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,070 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,070 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,070 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,070 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,070 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,071 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,071 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,071 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,071 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,072 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,072 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,072 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,072 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,072 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,073 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,073 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,073 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,073 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,073 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,074 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,074 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,074 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,074 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,074 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,075 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,075 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,075 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,075 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,075 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,076 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,076 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,076 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,076 WARN L250 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2018-09-26 22:20:27,082 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-26 22:20:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:20:27,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:20:27,214 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-26 22:20:27,215 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:20:27,217 INFO L168 Benchmark]: Toolchain (without parser) took 243342.93 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.1 GB in the end (delta: -675.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-26 22:20:27,218 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.91 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. [2018-09-26 22:20:27,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:20:27,219 INFO L168 Benchmark]: Boogie Preprocessor took 24.05 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. [2018-09-26 22:20:27,220 INFO L168 Benchmark]: RCFGBuilder took 371.65 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. [2018-09-26 22:20:27,221 INFO L168 Benchmark]: CodeCheck took 242895.48 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -696.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-26 22:20:27,224 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 TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 2 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.91 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 45.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.05 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 371.65 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 242895.48 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -696.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-20-27-241.csv Completed graceful shutdown