java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:18:47,673 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:18:47,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:18:47,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:18:47,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:18:47,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:18:47,698 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:18:47,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:18:47,702 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:18:47,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:18:47,704 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:18:47,704 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:18:47,708 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:18:47,709 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:18:47,713 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:18:47,714 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:18:47,717 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:18:47,719 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:18:47,725 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:18:47,727 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:18:47,728 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:18:47,729 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:18:47,731 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:18:47,731 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:18:47,731 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:18:47,732 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:18:47,733 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:18:47,734 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:18:47,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:18:47,735 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:18:47,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:18:47,736 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:18:47,736 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:18:47,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:18:47,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:18:47,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:18:47,739 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 [2018-09-30 21:18:47,756 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:18:47,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:18:47,757 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:18:47,757 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:18:47,758 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:18:47,758 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:18:47,758 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:18:47,758 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:18:47,759 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:18:47,759 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:18:47,759 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:18:47,759 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:18:47,759 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:18:47,760 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:18:47,760 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:18:47,760 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:18:47,760 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:18:47,760 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:18:47,761 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:18:47,761 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:18:47,761 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:18:47,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:18:47,761 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:18:47,762 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:18:47,762 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:18:47,762 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:18:47,762 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:18:47,762 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:18:47,763 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:18:47,824 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:18:47,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:18:47,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:18:47,851 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:18:47,851 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:18:47,852 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl [2018-09-30 21:18:47,852 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl' [2018-09-30 21:18:47,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:18:47,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:18:47,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:18:47,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:18:47,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:18:47,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... [2018-09-30 21:18:47,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... [2018-09-30 21:18:47,944 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:18:47,944 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:18:47,944 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:18:47,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:18:47,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:18:47,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:18:47,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:18:47,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... [2018-09-30 21:18:47,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... [2018-09-30 21:18:47,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... [2018-09-30 21:18:47,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... [2018-09-30 21:18:47,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... [2018-09-30 21:18:47,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... [2018-09-30 21:18:47,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... [2018-09-30 21:18:47,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:18:47,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:18:47,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:18:47,971 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:18:47,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:18:48,044 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-30 21:18:48,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-30 21:18:48,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-30 21:18:48,409 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:18:48,409 INFO L202 PluginConnector]: Adding new model BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:18:48 BoogieIcfgContainer [2018-09-30 21:18:48,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:18:48,410 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:18:48,411 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:18:48,420 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:18:48,421 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:18:48" (1/1) ... [2018-09-30 21:18:48,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:18:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:48,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 21:18:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 21:18:48,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 21:18:48,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:48,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 21:18:48,804 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 21:18:48,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:18:48,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:48,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:48,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-30 21:18:48,957 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-30 21:18:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:18:48,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:49,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:49,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-09-30 21:18:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-09-30 21:18:49,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:18:49,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:49,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:49,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-30 21:18:49,576 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-30 21:18:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:18:49,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:49,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:49,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-09-30 21:18:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-09-30 21:18:49,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:18:49,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-30 21:18:50,086 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-30 21:18:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:18:50,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-09-30 21:18:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-09-30 21:18:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:18:50,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:50,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-30 21:18:50,800 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-30 21:18:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:18:50,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:51,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-09-30 21:18:51,022 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-09-30 21:18:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:18:51,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:51,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:51,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-30 21:18:51,397 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-30 21:18:51,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:18:51,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:51,512 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:51,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-09-30 21:18:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-09-30 21:18:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:18:51,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:51,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-30 21:18:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-30 21:18:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:18:51,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:52,111 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:52,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-09-30 21:18:52,238 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-09-30 21:18:52,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:18:52,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:52,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-30 21:18:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-30 21:18:52,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:18:52,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:52,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:52,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-09-30 21:18:52,787 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-09-30 21:18:52,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:18:52,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:53,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:53,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-30 21:18:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-30 21:18:53,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 21:18:53,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:53,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-09-30 21:18:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-09-30 21:18:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:18:53,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:53,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-30 21:18:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-30 21:18:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:18:53,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:54,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-09-30 21:18:54,292 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-09-30 21:18:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:18:54,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-30 21:18:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-30 21:18:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 21:18:54,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:55,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:55,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-09-30 21:18:55,458 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-09-30 21:18:55,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:18:55,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:55,868 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:56,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-30 21:18:56,301 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-30 21:18:56,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 21:18:56,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:58,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:58,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-09-30 21:18:58,619 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-09-30 21:18:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:18:58,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:59,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-30 21:18:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-30 21:18:59,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 21:18:59,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:59,440 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:59,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:59,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-09-30 21:18:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-09-30 21:18:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:18:59,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:00,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-30 21:19:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-30 21:19:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:19:00,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:01,198 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:01,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:01,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-09-30 21:19:01,548 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-09-30 21:19:01,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:19:01,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:01,751 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:01,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-30 21:19:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-30 21:19:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 21:19:01,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:02,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:02,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-09-30 21:19:02,393 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-09-30 21:19:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:19:02,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:02,658 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-30 21:19:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-30 21:19:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:19:02,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:02,936 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:03,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:03,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-09-30 21:19:03,079 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-09-30 21:19:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:19:03,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:03,591 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:03,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-30 21:19:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-30 21:19:03,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:19:03,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:04,266 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2018-09-30 21:19:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-09-30 21:19:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:19:04,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-30 21:19:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-30 21:19:05,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:19:05,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2018-09-30 21:19:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-09-30 21:19:05,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:19:05,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:05,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:06,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-30 21:19:06,216 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-30 21:19:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:19:06,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:06,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:06,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-09-30 21:19:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-09-30 21:19:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:19:06,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:07,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:07,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-30 21:19:07,073 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-30 21:19:07,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:19:07,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:07,319 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:07,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-09-30 21:19:07,523 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-09-30 21:19:07,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:19:07,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:07,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:07,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-30 21:19:07,849 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-30 21:19:07,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:19:07,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2018-09-30 21:19:08,501 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-09-30 21:19:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:19:08,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-30 21:19:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-30 21:19:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:19:09,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-09-30 21:19:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-09-30 21:19:09,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:19:09,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:10,000 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:10,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-09-30 21:19:10,200 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-09-30 21:19:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:19:10,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:10,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:10,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 52 states and 53 transitions. [2018-09-30 21:19:10,599 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-09-30 21:19:10,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:19:10,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:11,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-09-30 21:19:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-09-30 21:19:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:19:11,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:11,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:11,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:11,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 54 states and 55 transitions. [2018-09-30 21:19:11,449 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2018-09-30 21:19:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:19:11,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:11,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-09-30 21:19:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-09-30 21:19:11,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:19:11,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 56 states and 57 transitions. [2018-09-30 21:19:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2018-09-30 21:19:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:19:12,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:13,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:13,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-09-30 21:19:13,583 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-30 21:19:13,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 21:19:13,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:14,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 58 states and 59 transitions. [2018-09-30 21:19:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2018-09-30 21:19:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:19:14,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:14,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:14,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-09-30 21:19:14,691 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-30 21:19:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 21:19:14,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-09-30 21:19:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-09-30 21:19:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:19:18,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:21,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:22,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-09-30 21:19:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-09-30 21:19:22,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 21:19:22,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:22,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:25,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:25,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-09-30 21:19:25,576 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-09-30 21:19:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:19:25,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:28,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-09-30 21:19:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-09-30 21:19:28,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 21:19:28,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:31,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-09-30 21:19:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-09-30 21:19:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:19:31,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:34,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:34,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-09-30 21:19:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-09-30 21:19:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 21:19:34,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-09-30 21:19:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-09-30 21:19:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:19:37,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-09-30 21:19:41,123 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-09-30 21:19:41,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 21:19:41,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:43,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:44,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-09-30 21:19:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-09-30 21:19:44,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:19:44,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:48,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-09-30 21:19:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-09-30 21:19:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 21:19:48,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:48,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:52,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:52,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-09-30 21:19:52,520 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-09-30 21:19:52,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:19:52,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:56,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-09-30 21:19:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-09-30 21:19:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 21:19:56,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:56,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:00,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-09-30 21:20:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-09-30 21:20:00,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:20:00,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-09-30 21:20:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-09-30 21:20:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 21:20:05,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:09,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:11,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:11,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-09-30 21:20:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-09-30 21:20:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:20:11,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-09-30 21:20:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-09-30 21:20:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 21:20:16,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-09-30 21:20:20,355 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-09-30 21:20:20,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:20:20,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:25,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:25,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-09-30 21:20:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-09-30 21:20:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 21:20:25,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:30,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:30,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-09-30 21:20:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-09-30 21:20:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:20:30,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:34,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:34,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-09-30 21:20:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-09-30 21:20:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 21:20:34,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-09-30 21:20:39,277 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-09-30 21:20:39,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:20:39,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:44,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-09-30 21:20:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-09-30 21:20:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 21:20:44,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-09-30 21:20:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-09-30 21:20:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:20:49,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:54,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:54,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-09-30 21:20:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-09-30 21:20:54,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 21:20:54,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:59,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-09-30 21:20:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-09-30 21:20:59,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:20:59,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-09-30 21:21:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-09-30 21:21:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 21:21:04,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-09-30 21:21:09,822 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-09-30 21:21:09,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:21:09,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:15,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-09-30 21:21:15,305 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-09-30 21:21:15,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 21:21:15,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:20,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-09-30 21:21:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-09-30 21:21:21,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:21:21,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:26,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:26,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:26,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-09-30 21:21:26,891 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-09-30 21:21:26,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 21:21:26,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-09-30 21:21:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-09-30 21:21:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:21:32,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:38,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-09-30 21:21:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-09-30 21:21:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 21:21:39,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-09-30 21:21:45,252 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-09-30 21:21:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:21:45,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:51,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:51,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-09-30 21:21:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-09-30 21:21:51,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 21:21:51,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:58,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:58,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-09-30 21:21:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-09-30 21:21:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:21:58,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:05,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-09-30 21:22:05,287 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-09-30 21:22:05,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 21:22:05,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:12,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-09-30 21:22:12,079 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-09-30 21:22:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:22:12,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:18,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-09-30 21:22:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-09-30 21:22:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-30 21:22:18,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:26,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-09-30 21:22:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-09-30 21:22:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:22:26,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:33,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-09-30 21:22:33,369 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-09-30 21:22:33,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-30 21:22:33,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:40,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-09-30 21:22:40,865 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-09-30 21:22:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:22:40,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-30 21:22:44,914 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-30 21:22:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:45,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:22:45,037 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-30 21:22:45,038 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:22:45,041 INFO L168 Benchmark]: Toolchain (without parser) took 237139.66 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -46.1 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 464.0 MB). Peak memory consumption was 417.8 MB. Max. memory is 7.1 GB. [2018-09-30 21:22:45,043 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:22:45,043 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.60 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. [2018-09-30 21:22:45,043 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 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. [2018-09-30 21:22:45,044 INFO L168 Benchmark]: RCFGBuilder took 439.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:22:45,044 INFO L168 Benchmark]: CodeCheck took 236629.37 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -46.1 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 442.8 MB). Peak memory consumption was 396.7 MB. Max. memory is 7.1 GB. [2018-09-30 21:22:45,048 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 PredicateComparison was comparing new predicate (quantifier-free) to 376 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.60 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 23.19 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. * RCFGBuilder took 439.06 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 236629.37 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -46.1 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 442.8 MB). Peak memory consumption was 396.7 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/BeyerHenzingerMajumdarRybalchenko-PLDI2007-Figure4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-22-45-065.csv Completed graceful shutdown