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_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:47:13,786 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:47:13,788 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:47:13,806 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:47:13,807 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:47:13,808 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:47:13,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:47:13,812 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:47:13,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:47:13,816 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:47:13,817 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:47:13,819 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:47:13,820 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:47:13,821 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:47:13,822 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:47:13,825 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:47:13,826 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:47:13,828 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:47:13,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:47:13,842 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:47:13,843 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:47:13,844 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:47:13,847 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:47:13,848 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:47:13,851 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:47:13,852 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:47:13,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:47:13,854 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:47:13,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:47:13,859 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:47:13,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:47:13,860 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:47:13,860 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:47:13,860 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:47:13,862 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:47:13,863 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:47:13,863 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 13:47:13,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:47:13,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:47:13,893 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:47:13,893 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:47:13,894 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:47:13,894 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:47:13,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:47:13,894 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:47:13,895 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:47:13,895 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:47:13,895 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:47:13,895 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:47:13,895 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:47:13,896 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:47:13,898 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:47:13,899 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:47:13,899 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:47:13,899 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:47:13,899 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:47:13,899 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 13:47:13,900 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:47:13,900 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:47:13,900 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:47:13,900 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:47:13,900 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:47:13,901 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:47:13,902 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:47:13,902 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:47:13,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:47:13,903 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:47:13,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:47:13,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:47:13,968 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:47:13,969 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:47:13,970 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:47:13,970 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl [2018-10-04 13:47:13,971 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl' [2018-10-04 13:47:14,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:47:14,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:47:14,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:47:14,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:47:14,018 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:47:14,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:47:14,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:47:14,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:47:14,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:47:14,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:47:14,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:47:14,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:47:14,078 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:47:14,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:47:14" (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 [2018-10-04 13:47:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:47:14,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:47:14,519 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:47:14,519 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:47:14 BoogieIcfgContainer [2018-10-04 13:47:14,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:47:14,520 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:47:14,520 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:47:14,533 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:47:14,534 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:47:14" (1/1) ... [2018-10-04 13:47:14,552 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 13:47:14,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 13:47:14,594 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 13:47:14,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:47:14,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-04 13:47:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-04 13:47:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:47:15,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2018-10-04 13:47:16,116 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2018-10-04 13:47:16,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:47:16,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2018-10-04 13:47:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2018-10-04 13:47:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:47:17,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:17,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:17,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-10-04 13:47:17,594 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-10-04 13:47:17,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:47:17,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:18,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-10-04 13:47:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-10-04 13:47:18,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:47:18,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:19,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-10-04 13:47:19,889 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-10-04 13:47:19,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:47:19,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:20,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-10-04 13:47:20,475 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-10-04 13:47:20,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:47:20,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:21,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:21,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-10-04 13:47:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-10-04 13:47:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:47:21,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:21,380 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:21,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-10-04 13:47:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-10-04 13:47:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:47:21,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:22,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-10-04 13:47:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-10-04 13:47:22,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:47:22,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:23,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-10-04 13:47:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-10-04 13:47:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:47:23,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:23,964 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 25 new depth: 14 [2018-10-04 13:47:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-10-04 13:47:24,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-10-04 13:47:24,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:47:24,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-10-04 13:47:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-10-04 13:47:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:47:25,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-10-04 13:47:26,394 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-10-04 13:47:26,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:47:26,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2018-10-04 13:47:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2018-10-04 13:47:27,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:47:27,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:28,940 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:29,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-10-04 13:47:29,832 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-10-04 13:47:29,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:47:29,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:31,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-10-04 13:47:31,855 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-10-04 13:47:31,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:47:31,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:33,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:33,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2018-10-04 13:47:33,174 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2018-10-04 13:47:33,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:47:33,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:34,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-10-04 13:47:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-10-04 13:47:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:47:34,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:36,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-10-04 13:47:36,879 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-10-04 13:47:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:47:36,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:37,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2018-10-04 13:47:37,846 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2018-10-04 13:47:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:47:37,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:38,547 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 34 new depth: 25 [2018-10-04 13:47:38,590 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:40,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:40,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2018-10-04 13:47:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2018-10-04 13:47:40,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:47:40,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:40,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:41,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-10-04 13:47:41,469 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-10-04 13:47:41,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:47:41,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:42,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:42,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2018-10-04 13:47:42,773 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2018-10-04 13:47:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:47:42,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:43,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2018-10-04 13:47:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2018-10-04 13:47:43,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:47:43,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:45,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2018-10-04 13:47:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2018-10-04 13:47:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:47:45,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:45,640 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:46,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2018-10-04 13:47:46,937 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2018-10-04 13:47:46,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:47:46,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:47,970 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:48,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:48,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2018-10-04 13:47:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2018-10-04 13:47:48,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:47:48,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:50,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-10-04 13:47:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-10-04 13:47:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:47:50,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2018-10-04 13:47:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2018-10-04 13:47:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:47:51,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:53,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2018-10-04 13:47:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2018-10-04 13:47:53,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:47:53,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:54,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2018-10-04 13:47:54,762 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2018-10-04 13:47:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:47:54,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:55,509 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 47 new depth: 36 [2018-10-04 13:47:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:56,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:56,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2018-10-04 13:47:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2018-10-04 13:47:56,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:47:56,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:57,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:47:58,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:47:58,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2018-10-04 13:47:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2018-10-04 13:47:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:47:58,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:47:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:47:59,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 75 states and 112 transitions. [2018-10-04 13:48:00,391 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2018-10-04 13:48:00,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:48:00,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:00,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:02,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:02,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 77 states and 115 transitions. [2018-10-04 13:48:02,382 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2018-10-04 13:48:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:48:02,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2018-10-04 13:48:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2018-10-04 13:48:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:48:05,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:05,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 81 states and 121 transitions. [2018-10-04 13:48:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2018-10-04 13:48:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:48:06,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:07,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:08,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:08,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 124 transitions. [2018-10-04 13:48:08,847 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 124 transitions. [2018-10-04 13:48:08,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:48:08,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:09,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:11,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 127 transitions. [2018-10-04 13:48:11,490 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-10-04 13:48:11,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:48:11,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 87 states and 130 transitions. [2018-10-04 13:48:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2018-10-04 13:48:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:48:13,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:16,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 89 states and 133 transitions. [2018-10-04 13:48:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 133 transitions. [2018-10-04 13:48:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:48:16,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:16,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:20,419 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 57 new depth: 46 [2018-10-04 13:48:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:20,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2018-10-04 13:48:20,781 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2018-10-04 13:48:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:48:20,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:21,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 93 states and 139 transitions. [2018-10-04 13:48:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2018-10-04 13:48:23,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:48:23,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2018-10-04 13:48:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2018-10-04 13:48:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:48:26,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 97 states and 145 transitions. [2018-10-04 13:48:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 145 transitions. [2018-10-04 13:48:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:48:31,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:33,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:33,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 99 states and 148 transitions. [2018-10-04 13:48:33,784 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2018-10-04 13:48:33,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 13:48:33,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:36,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 101 states and 151 transitions. [2018-10-04 13:48:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2018-10-04 13:48:36,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:48:36,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:38,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 103 states and 154 transitions. [2018-10-04 13:48:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 154 transitions. [2018-10-04 13:48:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 13:48:38,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:41,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:41,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 105 states and 157 transitions. [2018-10-04 13:48:41,282 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2018-10-04 13:48:41,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 13:48:41,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:44,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 108 states and 160 transitions. [2018-10-04 13:48:44,968 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2018-10-04 13:48:44,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 13:48:44,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:46,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:48:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:48:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2018-10-04 13:48:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2018-10-04 13:48:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 13:48:54,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:48:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:48:55,727 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 70 new depth: 57 [2018-10-04 13:48:57,325 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 80 new depth: 57 [2018-10-04 13:48:57,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:06,959 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 80 new depth: 75 [2018-10-04 13:49:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 147 states and 201 transitions. [2018-10-04 13:49:15,844 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 201 transitions. [2018-10-04 13:49:15,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 13:49:15,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:19,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 149 states and 203 transitions. [2018-10-04 13:49:19,751 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 203 transitions. [2018-10-04 13:49:19,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 13:49:19,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:20,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:23,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 151 states and 205 transitions. [2018-10-04 13:49:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 205 transitions. [2018-10-04 13:49:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 13:49:23,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:24,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:28,679 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 98 new depth: 84 [2018-10-04 13:49:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 153 states and 207 transitions. [2018-10-04 13:49:29,424 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2018-10-04 13:49:29,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-04 13:49:29,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:30,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:33,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 155 states and 209 transitions. [2018-10-04 13:49:33,913 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 209 transitions. [2018-10-04 13:49:33,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 13:49:33,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:34,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:38,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 157 states and 211 transitions. [2018-10-04 13:49:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2018-10-04 13:49:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 13:49:38,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 159 states and 213 transitions. [2018-10-04 13:49:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 213 transitions. [2018-10-04 13:49:42,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-04 13:49:42,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:47,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 161 states and 215 transitions. [2018-10-04 13:49:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 215 transitions. [2018-10-04 13:49:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-04 13:49:47,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:53,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 163 states and 217 transitions. [2018-10-04 13:49:53,085 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 217 transitions. [2018-10-04 13:49:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-04 13:49:53,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:49:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:49:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 165 states and 219 transitions. [2018-10-04 13:49:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2018-10-04 13:49:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-04 13:49:58,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:49:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:49:59,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:04,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 167 states and 221 transitions. [2018-10-04 13:50:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 221 transitions. [2018-10-04 13:50:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 13:50:04,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:50:10,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 169 states and 223 transitions. [2018-10-04 13:50:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 223 transitions. [2018-10-04 13:50:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 13:50:10,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:50:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:50:13,598 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 107 new depth: 103 [2018-10-04 13:50:16,900 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 126 new depth: 102 [2018-10-04 13:50:20,294 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 125 new depth: 102 [2018-10-04 13:50:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:50:29,948 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 128 new depth: 112 [2018-10-04 13:50:47,534 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 137 new depth: 134 [2018-10-04 13:51:08,532 INFO L252 BPredicateUnifier]: --------PredicateTrie is restructured: old depths: 159 new depth: 157 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown