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/real-life/RailwayCrossing.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 12:26:39,978 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 12:26:39,980 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 12:26:39,992 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 12:26:39,992 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 12:26:39,994 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 12:26:39,995 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 12:26:39,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 12:26:39,998 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 12:26:39,999 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 12:26:40,000 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 12:26:40,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 12:26:40,002 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 12:26:40,003 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 12:26:40,004 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 12:26:40,005 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 12:26:40,006 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 12:26:40,007 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 12:26:40,009 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 12:26:40,011 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 12:26:40,012 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 12:26:40,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 12:26:40,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 12:26:40,016 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 12:26:40,017 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 12:26:40,018 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 12:26:40,019 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 12:26:40,019 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 12:26:40,020 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 12:26:40,021 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 12:26:40,022 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 12:26:40,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 12:26:40,023 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 12:26:40,023 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 12:26:40,024 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 12:26:40,025 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 12:26:40,025 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 [2018-10-02 12:26:40,040 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 12:26:40,041 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 12:26:40,042 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 12:26:40,042 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 12:26:40,042 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 12:26:40,043 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 12:26:40,043 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 12:26:40,043 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 12:26:40,043 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 12:26:40,043 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 12:26:40,044 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 12:26:40,044 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 12:26:40,044 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 12:26:40,044 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 12:26:40,044 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 12:26:40,045 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 12:26:40,045 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 12:26:40,045 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 12:26:40,045 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 12:26:40,045 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 12:26:40,046 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 12:26:40,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 12:26:40,046 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 12:26:40,046 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 12:26:40,046 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 12:26:40,047 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 12:26:40,047 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 12:26:40,047 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 12:26:40,047 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 12:26:40,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 12:26:40,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 12:26:40,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 12:26:40,129 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 12:26:40,129 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 12:26:40,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl [2018-10-02 12:26:40,130 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/RailwayCrossing.bpl' [2018-10-02 12:26:40,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 12:26:40,181 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 12:26:40,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 12:26:40,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 12:26:40,182 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 12:26:40,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,221 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 12:26:40,221 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 12:26:40,221 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 12:26:40,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 12:26:40,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 12:26:40,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 12:26:40,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 12:26:40,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,238 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 12:26:40,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 12:26:40,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 12:26:40,252 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 12:26:40,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 12:26:40" (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 [2018-10-02 12:26:40,335 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-10-02 12:26:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-10-02 12:26:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-10-02 12:26:40,827 INFO L337 CfgBuilder]: Using library mode [2018-10-02 12:26:40,827 INFO L202 PluginConnector]: Adding new model RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:26:40 BoogieIcfgContainer [2018-10-02 12:26:40,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 12:26:40,829 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 12:26:40,829 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 12:26:40,845 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 12:26:40,849 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "RailwayCrossing.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 12:26:40" (1/1) ... [2018-10-02 12:26:40,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 12:26:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:40,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-02 12:26:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-02 12:26:40,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 12:26:40,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:41,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:41,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-02 12:26:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-02 12:26:41,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 12:26:41,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:41,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 7 states and 12 transitions. [2018-10-02 12:26:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 12 transitions. [2018-10-02 12:26:41,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 12:26:41,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:41,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 8 states and 17 transitions. [2018-10-02 12:26:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 17 transitions. [2018-10-02 12:26:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 12:26:41,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:42,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:42,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 9 states and 23 transitions. [2018-10-02 12:26:42,009 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 23 transitions. [2018-10-02 12:26:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 12:26:42,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:42,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 10 states and 30 transitions. [2018-10-02 12:26:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 30 transitions. [2018-10-02 12:26:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 12:26:42,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:42,465 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:42,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 11 states and 38 transitions. [2018-10-02 12:26:42,958 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 38 transitions. [2018-10-02 12:26:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 12:26:42,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:43,100 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 12 states and 47 transitions. [2018-10-02 12:26:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 47 transitions. [2018-10-02 12:26:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 12:26:43,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:43,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:43,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 13 states and 57 transitions. [2018-10-02 12:26:43,450 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 57 transitions. [2018-10-02 12:26:43,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 12:26:43,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:43,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:43,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 14 states and 68 transitions. [2018-10-02 12:26:43,787 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 68 transitions. [2018-10-02 12:26:43,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 12:26:43,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:43,991 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 15 states and 80 transitions. [2018-10-02 12:26:44,171 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 80 transitions. [2018-10-02 12:26:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 12:26:44,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:44,286 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 16 states and 93 transitions. [2018-10-02 12:26:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 93 transitions. [2018-10-02 12:26:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 12:26:44,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:45,041 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:45,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 17 states and 107 transitions. [2018-10-02 12:26:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 107 transitions. [2018-10-02 12:26:45,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 12:26:45,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:45,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:45,754 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:45,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 18 states and 122 transitions. [2018-10-02 12:26:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 122 transitions. [2018-10-02 12:26:45,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 12:26:45,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:46,404 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 19 states and 138 transitions. [2018-10-02 12:26:46,688 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 138 transitions. [2018-10-02 12:26:46,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 12:26:46,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:46,848 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 20 states and 155 transitions. [2018-10-02 12:26:47,290 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 155 transitions. [2018-10-02 12:26:47,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 12:26:47,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:48,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:48,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 21 states and 173 transitions. [2018-10-02 12:26:48,054 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 173 transitions. [2018-10-02 12:26:48,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 12:26:48,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 22 states and 192 transitions. [2018-10-02 12:26:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 192 transitions. [2018-10-02 12:26:48,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 12:26:48,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 23 states and 212 transitions. [2018-10-02 12:26:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 212 transitions. [2018-10-02 12:26:49,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 12:26:49,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:49,759 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:50,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:50,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 24 states and 233 transitions. [2018-10-02 12:26:50,184 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 233 transitions. [2018-10-02 12:26:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 12:26:50,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 25 states and 255 transitions. [2018-10-02 12:26:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 255 transitions. [2018-10-02 12:26:52,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 12:26:52,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:52,628 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:52,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 26 states and 278 transitions. [2018-10-02 12:26:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 278 transitions. [2018-10-02 12:26:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 12:26:52,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:53,153 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 27 states and 302 transitions. [2018-10-02 12:26:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 302 transitions. [2018-10-02 12:26:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-02 12:26:53,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:54,357 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 28 states and 327 transitions. [2018-10-02 12:26:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 327 transitions. [2018-10-02 12:26:54,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 12:26:54,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 29 states and 353 transitions. [2018-10-02 12:26:55,380 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 353 transitions. [2018-10-02 12:26:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 12:26:55,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:55,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 30 states and 380 transitions. [2018-10-02 12:26:55,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 380 transitions. [2018-10-02 12:26:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 12:26:55,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:57,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:57,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 31 states and 408 transitions. [2018-10-02 12:26:57,079 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 408 transitions. [2018-10-02 12:26:57,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 12:26:57,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 32 states and 437 transitions. [2018-10-02 12:26:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 437 transitions. [2018-10-02 12:26:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 12:26:57,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:57,743 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:58,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 33 states and 467 transitions. [2018-10-02 12:26:58,040 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 467 transitions. [2018-10-02 12:26:58,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 12:26:58,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:58,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 34 states and 498 transitions. [2018-10-02 12:26:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 498 transitions. [2018-10-02 12:26:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 12:26:58,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:58,762 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 35 states and 530 transitions. [2018-10-02 12:26:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 530 transitions. [2018-10-02 12:26:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 12:26:58,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:26:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:26:59,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 36 states and 563 transitions. [2018-10-02 12:26:59,450 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 563 transitions. [2018-10-02 12:26:59,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 12:26:59,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:26:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:26:59,755 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:00,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 37 states and 597 transitions. [2018-10-02 12:27:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 597 transitions. [2018-10-02 12:27:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-02 12:27:00,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:00,331 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 38 states and 632 transitions. [2018-10-02 12:27:00,616 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 632 transitions. [2018-10-02 12:27:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 12:27:00,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:00,901 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 39 states and 668 transitions. [2018-10-02 12:27:01,172 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 668 transitions. [2018-10-02 12:27:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-02 12:27:01,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 40 states and 705 transitions. [2018-10-02 12:27:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 705 transitions. [2018-10-02 12:27:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 12:27:01,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:02,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 41 states and 743 transitions. [2018-10-02 12:27:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 743 transitions. [2018-10-02 12:27:02,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 12:27:02,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 42 states and 782 transitions. [2018-10-02 12:27:02,978 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 782 transitions. [2018-10-02 12:27:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 12:27:02,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:03,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:03,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 43 states and 822 transitions. [2018-10-02 12:27:03,551 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 822 transitions. [2018-10-02 12:27:03,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-02 12:27:03,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 44 states and 863 transitions. [2018-10-02 12:27:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 863 transitions. [2018-10-02 12:27:09,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 12:27:09,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:09,626 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:09,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 45 states and 905 transitions. [2018-10-02 12:27:09,934 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 905 transitions. [2018-10-02 12:27:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 12:27:09,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:10,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:10,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 46 states and 948 transitions. [2018-10-02 12:27:10,679 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 948 transitions. [2018-10-02 12:27:10,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 12:27:10,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 47 states and 992 transitions. [2018-10-02 12:27:11,473 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 992 transitions. [2018-10-02 12:27:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 12:27:11,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 48 states and 1037 transitions. [2018-10-02 12:27:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 1037 transitions. [2018-10-02 12:27:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 12:27:12,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:12,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 49 states and 1083 transitions. [2018-10-02 12:27:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1083 transitions. [2018-10-02 12:27:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 12:27:12,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:13,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 50 states and 1130 transitions. [2018-10-02 12:27:13,631 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1130 transitions. [2018-10-02 12:27:13,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 12:27:13,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:13,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 51 states and 1178 transitions. [2018-10-02 12:27:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1178 transitions. [2018-10-02 12:27:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-02 12:27:14,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 52 states and 1227 transitions. [2018-10-02 12:27:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1227 transitions. [2018-10-02 12:27:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 12:27:14,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:16,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 53 states and 1277 transitions. [2018-10-02 12:27:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1277 transitions. [2018-10-02 12:27:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 12:27:16,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 54 states and 1328 transitions. [2018-10-02 12:27:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1328 transitions. [2018-10-02 12:27:18,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 12:27:18,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 55 states and 1380 transitions. [2018-10-02 12:27:19,479 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1380 transitions. [2018-10-02 12:27:19,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 12:27:19,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 56 states and 1433 transitions. [2018-10-02 12:27:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1433 transitions. [2018-10-02 12:27:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 12:27:20,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:20,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:21,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:21,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 57 states and 1487 transitions. [2018-10-02 12:27:21,089 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1487 transitions. [2018-10-02 12:27:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-02 12:27:21,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 58 states and 1542 transitions. [2018-10-02 12:27:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1542 transitions. [2018-10-02 12:27:21,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 12:27:21,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:21,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 59 states and 1598 transitions. [2018-10-02 12:27:22,422 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1598 transitions. [2018-10-02 12:27:22,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 12:27:22,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:22,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:23,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 60 states and 1655 transitions. [2018-10-02 12:27:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1655 transitions. [2018-10-02 12:27:23,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-02 12:27:23,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:23,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 61 states and 1713 transitions. [2018-10-02 12:27:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1713 transitions. [2018-10-02 12:27:23,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-02 12:27:23,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:23,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:24,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:24,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 62 states and 1772 transitions. [2018-10-02 12:27:24,350 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1772 transitions. [2018-10-02 12:27:24,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 12:27:24,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:25,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:25,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 63 states and 1832 transitions. [2018-10-02 12:27:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1832 transitions. [2018-10-02 12:27:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-02 12:27:25,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:25,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 64 states and 1893 transitions. [2018-10-02 12:27:25,972 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1893 transitions. [2018-10-02 12:27:25,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 12:27:25,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 65 states and 1955 transitions. [2018-10-02 12:27:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1955 transitions. [2018-10-02 12:27:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-02 12:27:26,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:26,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 66 states and 2018 transitions. [2018-10-02 12:27:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 2018 transitions. [2018-10-02 12:27:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-02 12:27:27,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:28,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 67 states and 2082 transitions. [2018-10-02 12:27:28,078 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2082 transitions. [2018-10-02 12:27:28,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-02 12:27:28,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:28,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:28,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 68 states and 2147 transitions. [2018-10-02 12:27:28,862 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2147 transitions. [2018-10-02 12:27:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 12:27:28,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:29,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:29,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 69 states and 2213 transitions. [2018-10-02 12:27:29,703 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2213 transitions. [2018-10-02 12:27:29,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-02 12:27:29,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:30,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 70 states and 2280 transitions. [2018-10-02 12:27:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2280 transitions. [2018-10-02 12:27:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 12:27:30,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:31,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 71 states and 2348 transitions. [2018-10-02 12:27:31,459 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2348 transitions. [2018-10-02 12:27:31,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-02 12:27:31,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:31,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 72 states and 2417 transitions. [2018-10-02 12:27:32,236 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2417 transitions. [2018-10-02 12:27:32,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 12:27:32,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:32,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:33,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 73 states and 2487 transitions. [2018-10-02 12:27:33,063 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2487 transitions. [2018-10-02 12:27:33,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-02 12:27:33,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:33,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:33,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2558 states to 74 states and 2558 transitions. [2018-10-02 12:27:33,993 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2558 transitions. [2018-10-02 12:27:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 12:27:33,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:34,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 75 states and 2630 transitions. [2018-10-02 12:27:35,033 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2630 transitions. [2018-10-02 12:27:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-02 12:27:35,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:36,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:36,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 76 states and 2703 transitions. [2018-10-02 12:27:36,243 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2703 transitions. [2018-10-02 12:27:36,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 12:27:36,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 77 states and 2777 transitions. [2018-10-02 12:27:37,134 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2777 transitions. [2018-10-02 12:27:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-02 12:27:37,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:38,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 78 states and 2852 transitions. [2018-10-02 12:27:38,056 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2852 transitions. [2018-10-02 12:27:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-02 12:27:38,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:39,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:39,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2928 states to 79 states and 2928 transitions. [2018-10-02 12:27:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2928 transitions. [2018-10-02 12:27:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-02 12:27:39,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 80 states and 3005 transitions. [2018-10-02 12:27:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 3005 transitions. [2018-10-02 12:27:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 12:27:39,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:40,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:40,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 81 states and 3083 transitions. [2018-10-02 12:27:40,851 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3083 transitions. [2018-10-02 12:27:40,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-02 12:27:40,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:41,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:41,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 82 states and 3162 transitions. [2018-10-02 12:27:41,867 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3162 transitions. [2018-10-02 12:27:41,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 12:27:41,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:42,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:42,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 83 states and 3242 transitions. [2018-10-02 12:27:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3242 transitions. [2018-10-02 12:27:42,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-02 12:27:42,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 84 states and 3323 transitions. [2018-10-02 12:27:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3323 transitions. [2018-10-02 12:27:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 12:27:43,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 85 states and 3405 transitions. [2018-10-02 12:27:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3405 transitions. [2018-10-02 12:27:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-02 12:27:44,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:45,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:45,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 86 states and 3488 transitions. [2018-10-02 12:27:45,844 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3488 transitions. [2018-10-02 12:27:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 12:27:45,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 87 states and 3572 transitions. [2018-10-02 12:27:47,052 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3572 transitions. [2018-10-02 12:27:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-02 12:27:47,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:48,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 88 states and 3657 transitions. [2018-10-02 12:27:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3657 transitions. [2018-10-02 12:27:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 12:27:48,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:48,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 89 states and 3743 transitions. [2018-10-02 12:27:49,338 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3743 transitions. [2018-10-02 12:27:49,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-02 12:27:49,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:49,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:50,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 90 states and 3830 transitions. [2018-10-02 12:27:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3830 transitions. [2018-10-02 12:27:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 12:27:50,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:50,619 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:51,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 91 states and 3918 transitions. [2018-10-02 12:27:51,720 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3918 transitions. [2018-10-02 12:27:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-02 12:27:51,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 92 states and 4007 transitions. [2018-10-02 12:27:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 4007 transitions. [2018-10-02 12:27:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 12:27:52,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:54,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 93 states and 4097 transitions. [2018-10-02 12:27:54,013 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4097 transitions. [2018-10-02 12:27:54,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-02 12:27:54,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:55,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:55,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4188 states to 94 states and 4188 transitions. [2018-10-02 12:27:55,091 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4188 transitions. [2018-10-02 12:27:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-02 12:27:55,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 95 states and 4280 transitions. [2018-10-02 12:27:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4280 transitions. [2018-10-02 12:27:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-02 12:27:56,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:57,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 96 states and 4373 transitions. [2018-10-02 12:27:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4373 transitions. [2018-10-02 12:27:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-02 12:27:57,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4467 states to 97 states and 4467 transitions. [2018-10-02 12:27:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4467 transitions. [2018-10-02 12:27:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-02 12:27:58,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:27:58,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:27:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:27:59,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 98 states and 4562 transitions. [2018-10-02 12:27:59,814 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4562 transitions. [2018-10-02 12:27:59,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-02 12:27:59,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:27:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:00,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:01,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4658 states to 99 states and 4658 transitions. [2018-10-02 12:28:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4658 transitions. [2018-10-02 12:28:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-02 12:28:01,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:02,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 100 states and 4755 transitions. [2018-10-02 12:28:02,699 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4755 transitions. [2018-10-02 12:28:02,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-02 12:28:02,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 101 states and 4853 transitions. [2018-10-02 12:28:03,952 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4853 transitions. [2018-10-02 12:28:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-02 12:28:03,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 102 states and 4952 transitions. [2018-10-02 12:28:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4952 transitions. [2018-10-02 12:28:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-02 12:28:05,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:05,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:06,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5052 states to 103 states and 5052 transitions. [2018-10-02 12:28:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 5052 transitions. [2018-10-02 12:28:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-02 12:28:06,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:08,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:08,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 104 states and 5153 transitions. [2018-10-02 12:28:08,062 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5153 transitions. [2018-10-02 12:28:08,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-02 12:28:08,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:09,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:09,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 105 states and 5255 transitions. [2018-10-02 12:28:09,338 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5255 transitions. [2018-10-02 12:28:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-02 12:28:09,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:10,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5358 states to 106 states and 5358 transitions. [2018-10-02 12:28:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5358 transitions. [2018-10-02 12:28:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-02 12:28:10,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:11,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:12,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 107 states and 5462 transitions. [2018-10-02 12:28:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 5462 transitions. [2018-10-02 12:28:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-02 12:28:12,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 108 states and 5567 transitions. [2018-10-02 12:28:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 5567 transitions. [2018-10-02 12:28:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-02 12:28:13,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:14,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 109 states and 5673 transitions. [2018-10-02 12:28:15,164 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 5673 transitions. [2018-10-02 12:28:15,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-02 12:28:15,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:16,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5780 states to 110 states and 5780 transitions. [2018-10-02 12:28:16,731 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 5780 transitions. [2018-10-02 12:28:16,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-02 12:28:16,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:18,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:18,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5888 states to 111 states and 5888 transitions. [2018-10-02 12:28:18,185 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 5888 transitions. [2018-10-02 12:28:18,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-02 12:28:18,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:19,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5997 states to 112 states and 5997 transitions. [2018-10-02 12:28:19,596 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 5997 transitions. [2018-10-02 12:28:19,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-02 12:28:19,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:21,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6107 states to 113 states and 6107 transitions. [2018-10-02 12:28:21,058 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 6107 transitions. [2018-10-02 12:28:21,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-02 12:28:21,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:21,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:22,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 114 states and 6218 transitions. [2018-10-02 12:28:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 6218 transitions. [2018-10-02 12:28:22,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-02 12:28:22,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6330 states to 115 states and 6330 transitions. [2018-10-02 12:28:24,130 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 6330 transitions. [2018-10-02 12:28:24,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-02 12:28:24,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6443 states to 116 states and 6443 transitions. [2018-10-02 12:28:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 6443 transitions. [2018-10-02 12:28:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-02 12:28:25,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 12:28:27,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 12:28:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 117 states and 6444 transitions. [2018-10-02 12:28:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 6444 transitions. [2018-10-02 12:28:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-02 12:28:27,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 12:28:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 12:28:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 1 proven. 6272 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. Received shutdown request... [2018-10-02 12:30:44,020 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-02 12:30:44,023 INFO L168 Benchmark]: Toolchain (without parser) took 243844.58 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -124.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-02 12:30:44,025 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:30:44,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:30:44,026 INFO L168 Benchmark]: Boogie Preprocessor took 26.83 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 12:30:44,026 INFO L168 Benchmark]: RCFGBuilder took 576.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-02 12:30:44,027 INFO L168 Benchmark]: CodeCheck took 243193.55 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -145.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-10-02 12:30:44,030 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 835 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.83 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 576.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 243193.55 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -145.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/RailwayCrossing.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-02_12-30-44-042.csv Completed graceful shutdown