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-b2fde6a [2018-09-28 10:59:57,692 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 10:59:57,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 10:59:57,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 10:59:57,714 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 10:59:57,715 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 10:59:57,716 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 10:59:57,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 10:59:57,720 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 10:59:57,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 10:59:57,721 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 10:59:57,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 10:59:57,723 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 10:59:57,724 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 10:59:57,725 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 10:59:57,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 10:59:57,726 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 10:59:57,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 10:59:57,730 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 10:59:57,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 10:59:57,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 10:59:57,734 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 10:59:57,737 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 10:59:57,737 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 10:59:57,737 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 10:59:57,738 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 10:59:57,739 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 10:59:57,740 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 10:59:57,741 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 10:59:57,742 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 10:59:57,742 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 10:59:57,743 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 10:59:57,743 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 10:59:57,743 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 10:59:57,744 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 10:59:57,745 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 10:59:57,745 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 [2018-09-28 10:59:57,776 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 10:59:57,776 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 10:59:57,777 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 10:59:57,777 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 10:59:57,781 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 10:59:57,781 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 10:59:57,781 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 10:59:57,781 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 10:59:57,782 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 10:59:57,782 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 10:59:57,782 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 10:59:57,782 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 10:59:57,782 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 10:59:57,785 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 10:59:57,786 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 10:59:57,786 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 10:59:57,786 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 10:59:57,786 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 10:59:57,786 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 10:59:57,787 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 10:59:57,787 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 10:59:57,787 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 10:59:57,787 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 10:59:57,788 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 10:59:57,789 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 10:59:57,789 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 10:59:57,789 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 10:59:57,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 10:59:57,790 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 10:59:57,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 10:59:57,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 10:59:57,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 10:59:57,867 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 10:59:57,868 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 10:59:57,868 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl [2018-09-28 10:59:57,869 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/fragtest_simple.i_4.bpl' [2018-09-28 10:59:57,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 10:59:57,939 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 10:59:57,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 10:59:57,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 10:59:57,941 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 10:59:57,960 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 28.09 10:59:57" (1/1) ... [2018-09-28 10:59:57,973 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 28.09 10:59:57" (1/1) ... [2018-09-28 10:59:57,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 10:59:57,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 10:59:57,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 10:59:57,982 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 10:59:57,993 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 28.09 10:59:57" (1/1) ... [2018-09-28 10:59:57,993 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 28.09 10:59:57" (1/1) ... [2018-09-28 10:59:57,994 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 28.09 10:59:57" (1/1) ... [2018-09-28 10:59:57,995 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 28.09 10:59:57" (1/1) ... [2018-09-28 10:59:57,998 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 28.09 10:59:57" (1/1) ... [2018-09-28 10:59:58,002 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 28.09 10:59:57" (1/1) ... [2018-09-28 10:59:58,003 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 28.09 10:59:57" (1/1) ... [2018-09-28 10:59:58,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 10:59:58,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 10:59:58,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 10:59:58,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 10:59:58,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 10:59:57" (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 [2018-09-28 10:59:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 10:59:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 10:59:58,380 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 10:59:58,380 INFO L202 PluginConnector]: Adding new model fragtest_simple.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 10:59:58 BoogieIcfgContainer [2018-09-28 10:59:58,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 10:59:58,382 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 10:59:58,382 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 10:59:58,396 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 10:59:58,397 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 28.09 10:59:58" (1/1) ... [2018-09-28 10:59:58,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 10:59:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:58,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-28 10:59:58,449 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-28 10:59:58,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 10:59:58,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-09-28 10:59:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-09-28 10:59:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 10:59:58,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 10:59:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 10:59:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 10:59:59,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-09-28 10:59:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-09-28 10:59:59,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 10:59:59,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 10:59:59,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:00,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:01,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:01,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-09-28 11:00:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-09-28 11:00:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:00:01,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:01,599 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:02,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2018-09-28 11:00:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-09-28 11:00:02,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:00:02,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:03,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:03,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-09-28 11:00:03,339 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-09-28 11:00:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:00:03,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:03,496 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:04,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:04,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2018-09-28 11:00:04,190 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-09-28 11:00:04,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:00:04,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:06,366 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-09-28 11:00:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-09-28 11:00:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-09-28 11:00:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:00:07,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2018-09-28 11:00:10,174 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2018-09-28 11:00:10,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:00:10,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 39 states and 47 transitions. [2018-09-28 11:00:11,921 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2018-09-28 11:00:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:00:11,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:13,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:13,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2018-09-28 11:00:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-09-28 11:00:13,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:00:13,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-09-28 11:00:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-09-28 11:00:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:00:14,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:16,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:16,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2018-09-28 11:00:16,133 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2018-09-28 11:00:16,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:00:16,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:17,078 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 61 transitions. [2018-09-28 11:00:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2018-09-28 11:00:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:00:18,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:18,808 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-09-28 11:00:20,125 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-09-28 11:00:20,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:00:20,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:22,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:22,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2018-09-28 11:00:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2018-09-28 11:00:22,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:00:22,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 59 states and 70 transitions. [2018-09-28 11:00:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 70 transitions. [2018-09-28 11:00:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:00:24,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:26,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:26,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2018-09-28 11:00:26,107 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2018-09-28 11:00:26,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:00:26,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:26,640 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 65 states and 77 transitions. [2018-09-28 11:00:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2018-09-28 11:00:28,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:00:28,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:28,767 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2018-09-28 11:00:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2018-09-28 11:00:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:00:30,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:32,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2018-09-28 11:00:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2018-09-28 11:00:32,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:00:32,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 75 states and 89 transitions. [2018-09-28 11:00:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 89 transitions. [2018-09-28 11:00:35,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:00:35,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:37,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 77 states and 91 transitions. [2018-09-28 11:00:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2018-09-28 11:00:37,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:00:37,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:40,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:40,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 96 transitions. [2018-09-28 11:00:40,869 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2018-09-28 11:00:40,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:00:40,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2018-09-28 11:00:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2018-09-28 11:00:44,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:00:44,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:44,479 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2018-09-28 11:00:47,140 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2018-09-28 11:00:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:00:47,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:50,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 89 states and 105 transitions. [2018-09-28 11:00:50,074 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 105 transitions. [2018-09-28 11:00:50,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:00:50,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2018-09-28 11:00:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2018-09-28 11:00:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:00:53,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:00:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:00:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2018-09-28 11:00:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2018-09-28 11:00:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:00:57,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:00:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:00:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:00,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 99 states and 117 transitions. [2018-09-28 11:01:00,186 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 117 transitions. [2018-09-28 11:01:00,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:01:00,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:03,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:03,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 101 states and 119 transitions. [2018-09-28 11:01:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 119 transitions. [2018-09-28 11:01:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 11:01:03,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:06,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:06,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 105 states and 124 transitions. [2018-09-28 11:01:06,644 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2018-09-28 11:01:06,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:01:06,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:07,522 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:10,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 107 states and 126 transitions. [2018-09-28 11:01:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2018-09-28 11:01:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:01:10,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:11,190 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:14,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 111 states and 131 transitions. [2018-09-28 11:01:14,250 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2018-09-28 11:01:14,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 11:01:14,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:14,877 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2018-09-28 11:01:17,934 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2018-09-28 11:01:17,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:01:17,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:21,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 117 states and 138 transitions. [2018-09-28 11:01:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 138 transitions. [2018-09-28 11:01:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 11:01:21,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:22,411 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:25,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 119 states and 140 transitions. [2018-09-28 11:01:25,501 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 140 transitions. [2018-09-28 11:01:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 11:01:25,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:29,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2018-09-28 11:01:29,441 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-09-28 11:01:29,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:01:29,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:29,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:33,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 125 states and 147 transitions. [2018-09-28 11:01:33,953 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-09-28 11:01:33,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 11:01:33,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 129 states and 152 transitions. [2018-09-28 11:01:38,016 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-09-28 11:01:38,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:01:38,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:38,961 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:42,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 131 states and 154 transitions. [2018-09-28 11:01:42,292 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-09-28 11:01:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 11:01:42,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:43,361 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 135 states and 159 transitions. [2018-09-28 11:01:46,675 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 159 transitions. [2018-09-28 11:01:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 11:01:46,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:47,486 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:51,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 137 states and 161 transitions. [2018-09-28 11:01:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2018-09-28 11:01:51,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:01:51,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:51,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:01:56,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:01:56,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 141 states and 166 transitions. [2018-09-28 11:01:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-09-28 11:01:56,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:01:56,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:01:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:01:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 143 states and 168 transitions. [2018-09-28 11:02:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-09-28 11:02:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:02:01,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:06,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 147 states and 173 transitions. [2018-09-28 11:02:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2018-09-28 11:02:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 11:02:06,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:14,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 149 states and 175 transitions. [2018-09-28 11:02:14,473 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 175 transitions. [2018-09-28 11:02:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 11:02:14,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:15,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:19,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 153 states and 180 transitions. [2018-09-28 11:02:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2018-09-28 11:02:19,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-28 11:02:19,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:20,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:24,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 155 states and 182 transitions. [2018-09-28 11:02:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2018-09-28 11:02:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-28 11:02:24,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:29,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 159 states and 187 transitions. [2018-09-28 11:02:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 187 transitions. [2018-09-28 11:02:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 11:02:29,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:30,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 161 states and 189 transitions. [2018-09-28 11:02:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 189 transitions. [2018-09-28 11:02:35,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-28 11:02:35,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:36,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 165 states and 194 transitions. [2018-09-28 11:02:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2018-09-28 11:02:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-28 11:02:40,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:46,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 167 states and 196 transitions. [2018-09-28 11:02:46,094 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 196 transitions. [2018-09-28 11:02:46,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-28 11:02:46,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:47,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 171 states and 201 transitions. [2018-09-28 11:02:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 201 transitions. [2018-09-28 11:02:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-28 11:02:51,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1458 backedges. 756 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:02:57,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:02:57,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 173 states and 203 transitions. [2018-09-28 11:02:57,312 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 203 transitions. [2018-09-28 11:02:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-28 11:02:57,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:02:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:02:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 756 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 177 states and 208 transitions. [2018-09-28 11:03:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 208 transitions. [2018-09-28 11:03:03,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-28 11:03:03,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 812 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:08,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:08,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 179 states and 210 transitions. [2018-09-28 11:03:08,839 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 210 transitions. [2018-09-28 11:03:08,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-28 11:03:08,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 812 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 183 states and 215 transitions. [2018-09-28 11:03:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 215 transitions. [2018-09-28 11:03:14,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-28 11:03:14,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:16,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1682 backedges. 870 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:20,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 185 states and 217 transitions. [2018-09-28 11:03:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 217 transitions. [2018-09-28 11:03:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-28 11:03:20,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 870 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:27,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 189 states and 222 transitions. [2018-09-28 11:03:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 222 transitions. [2018-09-28 11:03:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-28 11:03:27,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 930 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:33,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:33,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 191 states and 224 transitions. [2018-09-28 11:03:33,097 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 224 transitions. [2018-09-28 11:03:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-28 11:03:33,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:34,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 930 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 195 states and 229 transitions. [2018-09-28 11:03:39,350 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 229 transitions. [2018-09-28 11:03:39,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-28 11:03:39,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:40,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 992 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 197 states and 231 transitions. [2018-09-28 11:03:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 231 transitions. [2018-09-28 11:03:45,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-28 11:03:45,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:46,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 992 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:52,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 201 states and 236 transitions. [2018-09-28 11:03:52,349 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 236 transitions. [2018-09-28 11:03:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-28 11:03:52,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:53,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2048 backedges. 1056 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:03:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:03:58,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 203 states and 238 transitions. [2018-09-28 11:03:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 238 transitions. [2018-09-28 11:03:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-28 11:03:58,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:03:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:03:59,838 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... [2018-09-28 11:04:01,744 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 11:04:01,747 INFO L168 Benchmark]: Toolchain (without parser) took 243809.86 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 2.4 GB in the end (delta: -949.9 MB). Peak memory consumption was 958.0 MB. Max. memory is 7.1 GB. [2018-09-28 11:04:01,748 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:04:01,749 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:04:01,749 INFO L168 Benchmark]: Boogie Preprocessor took 24.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:04:01,750 INFO L168 Benchmark]: RCFGBuilder took 375.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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. [2018-09-28 11:04:01,750 INFO L168 Benchmark]: CodeCheck took 243364.50 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 2.4 GB in the end (delta: -971.0 MB). Peak memory consumption was 936.8 MB. Max. memory is 7.1 GB. [2018-09-28 11:04:01,754 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 375.37 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 243364.50 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 2.4 GB in the end (delta: -971.0 MB). Peak memory consumption was 936.8 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-0-2018-09-28_11-04-01-766.csv Completed graceful shutdown