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/fragtest_simple.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 21:59:37,640 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 21:59:37,642 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 21:59:37,654 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 21:59:37,655 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 21:59:37,656 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 21:59:37,657 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 21:59:37,659 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 21:59:37,660 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 21:59:37,661 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 21:59:37,662 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 21:59:37,663 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 21:59:37,664 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 21:59:37,665 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 21:59:37,666 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 21:59:37,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 21:59:37,668 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 21:59:37,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 21:59:37,672 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 21:59:37,673 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 21:59:37,674 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 21:59:37,676 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 21:59:37,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 21:59:37,679 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 21:59:37,679 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 21:59:37,680 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 21:59:37,681 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 21:59:37,685 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 21:59:37,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 21:59:37,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 21:59:37,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 21:59:37,690 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 21:59:37,691 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 21:59:37,691 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 21:59:37,692 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 21:59:37,694 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 21:59:37,694 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-23 21:59:37,710 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 21:59:37,710 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 21:59:37,711 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 21:59:37,711 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 21:59:37,712 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 21:59:37,712 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 21:59:37,712 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 21:59:37,713 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 21:59:37,713 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 21:59:37,713 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 21:59:37,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 21:59:37,713 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 21:59:37,714 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 21:59:37,714 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 21:59:37,714 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 21:59:37,714 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 21:59:37,714 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 21:59:37,715 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 21:59:37,715 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 21:59:37,715 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 21:59:37,715 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 21:59:37,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:59:37,716 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 21:59:37,717 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 21:59:37,717 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 21:59:37,717 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 21:59:37,717 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 21:59:37,717 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 21:59:37,718 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 21:59:37,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 21:59:37,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 21:59:37,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 21:59:37,796 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 21:59:37,796 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 21:59:37,797 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2018-09-23 21:59:37,797 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2018-09-23 21:59:37,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 21:59:37,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 21:59:37,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 21:59:37,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 21:59:37,862 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 21:59:37,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... [2018-09-23 21:59:37,896 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... [2018-09-23 21:59:37,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 21:59:37,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 21:59:37,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 21:59:37,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 21:59:37,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... [2018-09-23 21:59:37,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... [2018-09-23 21:59:37,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... [2018-09-23 21:59:37,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... [2018-09-23 21:59:37,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... [2018-09-23 21:59:37,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... [2018-09-23 21:59:37,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... [2018-09-23 21:59:37,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 21:59:37,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 21:59:37,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 21:59:37,933 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 21:59:37,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:59:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:59:38,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 21:59:38,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 21:59:38,258 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 21:59:38,259 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:59:38 BoogieIcfgContainer [2018-09-23 21:59:38,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 21:59:38,260 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 21:59:38,260 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 21:59:38,272 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 21:59:38,272 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:59:38" (1/1) ... [2018-09-23 21:59:38,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 21:59:38,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-23 21:59:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-23 21:59:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 21:59:38,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-09-23 21:59:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-09-23 21:59:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 21:59:38,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-09-23 21:59:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-09-23 21:59:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:59:39,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:41,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-09-23 21:59:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-09-23 21:59:41,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:59:41,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:41,266 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2018-09-23 21:59:42,033 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-09-23 21:59:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:59:42,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:42,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:42,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-09-23 21:59:42,996 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-09-23 21:59:42,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 21:59:42,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2018-09-23 21:59:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-09-23 21:59:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:59:44,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:44,414 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:45,900 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-09-23 21:59:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-09-23 21:59:46,865 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-09-23 21:59:46,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 21:59:46,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:47,093 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:48,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2018-09-23 21:59:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2018-09-23 21:59:48,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 21:59:48,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:49,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2018-09-23 21:59:49,640 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-09-23 21:59:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 21:59:49,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2018-09-23 21:59:50,860 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-09-23 21:59:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 21:59:50,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:52,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-09-23 21:59:52,103 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-09-23 21:59:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 21:59:52,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:52,378 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2018-09-23 21:59:53,787 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2018-09-23 21:59:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 21:59:53,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2018-09-23 21:59:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2018-09-23 21:59:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 21:59:55,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:56,139 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-09-23 21:59:57,495 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-09-23 21:59:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 21:59:57,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:59:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:59:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2018-09-23 21:59:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2018-09-23 21:59:59,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 21:59:59,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:59:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 59 states and 70 transitions. [2018-09-23 22:00:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2018-09-23 22:00:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 22:00:01,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:03,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:03,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-09-23 22:00:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-09-23 22:00:03,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:00:03,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:04,698 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:06,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 65 states and 77 transitions. [2018-09-23 22:00:06,286 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2018-09-23 22:00:06,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 22:00:06,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:06,696 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2018-09-23 22:00:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2018-09-23 22:00:08,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:00:08,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:10,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:10,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2018-09-23 22:00:10,954 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2018-09-23 22:00:10,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 22:00:10,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 75 states and 89 transitions. [2018-09-23 22:00:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2018-09-23 22:00:13,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 22:00:13,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:13,484 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:15,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 77 states and 91 transitions. [2018-09-23 22:00:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2018-09-23 22:00:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:00:15,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:16,319 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:18,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:18,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2018-09-23 22:00:18,397 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2018-09-23 22:00:18,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 22:00:18,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:19,195 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:21,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2018-09-23 22:00:21,734 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2018-09-23 22:00:21,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:00:21,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:24,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2018-09-23 22:00:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2018-09-23 22:00:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 22:00:24,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2018-09-23 22:00:27,981 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2018-09-23 22:00:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 22:00:27,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2018-09-23 22:00:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2018-09-23 22:00:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 22:00:31,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:34,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2018-09-23 22:00:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2018-09-23 22:00:34,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-23 22:00:34,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:35,277 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 99 states and 117 transitions. [2018-09-23 22:00:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions. [2018-09-23 22:00:37,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 22:00:37,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:41,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:41,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 101 states and 119 transitions. [2018-09-23 22:00:41,258 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2018-09-23 22:00:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-23 22:00:41,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:44,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:44,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 105 states and 124 transitions. [2018-09-23 22:00:44,456 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2018-09-23 22:00:44,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-23 22:00:44,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:48,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:48,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 107 states and 126 transitions. [2018-09-23 22:00:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2018-09-23 22:00:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-23 22:00:48,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:49,088 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:52,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:52,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2018-09-23 22:00:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2018-09-23 22:00:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-23 22:00:52,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:52,899 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2018-09-23 22:00:56,070 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2018-09-23 22:00:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-23 22:00:56,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:00:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:00:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:00:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 117 states and 138 transitions. [2018-09-23 22:00:59,608 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2018-09-23 22:00:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-23 22:00:59,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:00:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 119 states and 140 transitions. [2018-09-23 22:01:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 140 transitions. [2018-09-23 22:01:03,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-23 22:01:03,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2018-09-23 22:01:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-09-23 22:01:07,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-23 22:01:07,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 125 states and 147 transitions. [2018-09-23 22:01:11,640 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-09-23 22:01:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-23 22:01:11,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:12,331 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:15,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 129 states and 152 transitions. [2018-09-23 22:01:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-09-23 22:01:15,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-23 22:01:15,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:19,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:19,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 131 states and 154 transitions. [2018-09-23 22:01:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-09-23 22:01:19,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-23 22:01:19,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 135 states and 159 transitions. [2018-09-23 22:01:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2018-09-23 22:01:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-23 22:01:24,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:29,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 137 states and 161 transitions. [2018-09-23 22:01:29,530 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2018-09-23 22:01:29,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-23 22:01:29,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:30,370 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 141 states and 166 transitions. [2018-09-23 22:01:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-09-23 22:01:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-23 22:01:34,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:39,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 143 states and 168 transitions. [2018-09-23 22:01:39,490 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-09-23 22:01:39,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-23 22:01:39,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:40,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:44,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 147 states and 173 transitions. [2018-09-23 22:01:44,494 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2018-09-23 22:01:44,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-23 22:01:44,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:52,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:52,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 149 states and 175 transitions. [2018-09-23 22:01:52,380 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 175 transitions. [2018-09-23 22:01:52,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-23 22:01:52,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:52,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:01:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:01:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 180 transitions. [2018-09-23 22:01:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2018-09-23 22:01:57,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-23 22:01:57,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:01:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:01:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:02,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 155 states and 182 transitions. [2018-09-23 22:02:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-09-23 22:02:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-23 22:02:02,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:07,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:07,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 159 states and 187 transitions. [2018-09-23 22:02:07,040 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 187 transitions. [2018-09-23 22:02:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-23 22:02:07,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 161 states and 189 transitions. [2018-09-23 22:02:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 189 transitions. [2018-09-23 22:02:13,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-23 22:02:13,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:19,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:19,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 165 states and 194 transitions. [2018-09-23 22:02:19,676 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2018-09-23 22:02:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-23 22:02:19,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 167 states and 196 transitions. [2018-09-23 22:02:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 196 transitions. [2018-09-23 22:02:25,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-23 22:02:25,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:25,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 171 states and 201 transitions. [2018-09-23 22:02:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 201 transitions. [2018-09-23 22:02:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-23 22:02:30,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:31,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 173 states and 203 transitions. [2018-09-23 22:02:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 203 transitions. [2018-09-23 22:02:36,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-23 22:02:36,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:37,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:42,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 177 states and 208 transitions. [2018-09-23 22:02:42,036 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 208 transitions. [2018-09-23 22:02:42,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-23 22:02:42,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:47,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:47,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 179 states and 210 transitions. [2018-09-23 22:02:47,905 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 210 transitions. [2018-09-23 22:02:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-23 22:02:47,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:02:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:02:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 183 states and 215 transitions. [2018-09-23 22:02:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 215 transitions. [2018-09-23 22:02:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-23 22:02:53,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:02:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:02:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 185 states and 217 transitions. [2018-09-23 22:03:00,074 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 217 transitions. [2018-09-23 22:03:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-23 22:03:00,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 189 states and 222 transitions. [2018-09-23 22:03:06,329 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 222 transitions. [2018-09-23 22:03:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-23 22:03:06,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:12,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 191 states and 224 transitions. [2018-09-23 22:03:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 224 transitions. [2018-09-23 22:03:12,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-23 22:03:12,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:13,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:19,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 195 states and 229 transitions. [2018-09-23 22:03:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 229 transitions. [2018-09-23 22:03:19,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-23 22:03:19,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 197 states and 231 transitions. [2018-09-23 22:03:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 231 transitions. [2018-09-23 22:03:25,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-23 22:03:25,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 201 states and 236 transitions. [2018-09-23 22:03:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 236 transitions. [2018-09-23 22:03:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-23 22:03:31,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:03:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:03:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 203 states and 238 transitions. [2018-09-23 22:03:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 238 transitions. [2018-09-23 22:03:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-23 22:03:38,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:03:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:03:40,062 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1056 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-23 22:03:42,183 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 22:03:42,185 INFO L168 Benchmark]: Toolchain (without parser) took 244327.40 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 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 579.7 MB. Max. memory is 7.1 GB. [2018-09-23 22:03:42,187 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:03:42,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.85 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:03:42,188 INFO L168 Benchmark]: Boogie Preprocessor took 24.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 22:03:42,188 INFO L168 Benchmark]: RCFGBuilder took 329.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-23 22:03:42,191 INFO L168 Benchmark]: CodeCheck took 243925.08 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 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 558.6 MB. Max. memory is 7.1 GB. [2018-09-23 22:03:42,197 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1046 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 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 42.85 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 24.52 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 329.21 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 243925.08 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 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 558.6 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/fragtest_simple.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_22-03-42-220.csv Completed graceful shutdown