java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:27:28,055 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:27:28,061 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:27:28,080 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:27:28,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:27:28,081 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:27:28,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:27:28,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:27:28,086 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:27:28,087 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:27:28,088 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:27:28,088 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:27:28,089 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:27:28,090 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:27:28,091 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:27:28,091 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:27:28,092 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:27:28,094 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:27:28,096 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:27:28,097 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:27:28,099 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:27:28,100 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:27:28,102 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:27:28,102 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:27:28,103 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:27:28,104 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:27:28,105 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:27:28,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:27:28,106 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:27:28,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:27:28,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:27:28,109 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:27:28,109 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:27:28,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:27:28,110 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:27:28,111 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:27:28,111 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 [2018-10-04 13:27:28,127 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:27:28,127 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:27:28,128 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:27:28,128 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:27:28,129 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:27:28,129 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:27:28,129 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:27:28,129 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:27:28,129 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:27:28,130 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:27:28,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:27:28,130 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:27:28,130 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:27:28,130 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:27:28,131 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:27:28,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:27:28,131 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:27:28,131 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:27:28,131 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:27:28,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:27:28,132 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:27:28,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:27:28,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:27:28,132 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:27:28,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:27:28,133 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:27:28,133 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:27:28,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:27:28,133 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:27:28,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:27:28,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:27:28,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:27:28,199 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:27:28,200 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:27:28,201 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-10-04 13:27:28,201 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-10-04 13:27:28,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:27:28,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:27:28,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:27:28,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:27:28,258 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:27:28,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,298 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:27:28,298 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:27:28,299 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:27:28,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:27:28,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:27:28,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:27:28,302 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:27:28,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:27:28,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:27:28,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:27:28,327 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:27:28,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:27:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:27:28,404 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 13:27:28,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 13:27:28,405 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 13:27:28,773 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:27:28,774 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:27:28 BoogieIcfgContainer [2018-10-04 13:27:28,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:27:28,775 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:27:28,775 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:27:28,787 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:27:28,788 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:27:28" (1/1) ... [2018-10-04 13:27:28,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:27:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:28,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-04 13:27:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-04 13:27:28,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-04 13:27:28,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-04 13:27:29,197 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-04 13:27:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:27:29,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-04 13:27:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-04 13:27:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:27:29,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:29,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 7 states and 13 transitions. [2018-10-04 13:27:29,791 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 13 transitions. [2018-10-04 13:27:29,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:27:29,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:30,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:30,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-04 13:27:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-04 13:27:30,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:27:30,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:30,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-04 13:27:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-04 13:27:30,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:27:30,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 10 states and 22 transitions. [2018-10-04 13:27:30,868 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 22 transitions. [2018-10-04 13:27:30,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:27:30,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:30,949 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:31,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 11 states and 25 transitions. [2018-10-04 13:27:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 25 transitions. [2018-10-04 13:27:31,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:27:31,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 12 states and 28 transitions. [2018-10-04 13:27:31,359 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 28 transitions. [2018-10-04 13:27:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:27:31,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:31,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 13 states and 31 transitions. [2018-10-04 13:27:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 31 transitions. [2018-10-04 13:27:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:27:31,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:31,831 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:31,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:31,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 14 states and 34 transitions. [2018-10-04 13:27:31,950 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 34 transitions. [2018-10-04 13:27:31,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:27:31,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:32,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:32,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-10-04 13:27:32,224 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-10-04 13:27:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:27:32,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 16 states and 40 transitions. [2018-10-04 13:27:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 40 transitions. [2018-10-04 13:27:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:27:32,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:33,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:33,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 43 transitions. [2018-10-04 13:27:33,022 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 43 transitions. [2018-10-04 13:27:33,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:27:33,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:33,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:33,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-04 13:27:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-04 13:27:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:27:33,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:34,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:34,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-04 13:27:34,032 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-04 13:27:34,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:27:34,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:34,158 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 20 states and 52 transitions. [2018-10-04 13:27:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 52 transitions. [2018-10-04 13:27:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:27:34,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:34,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 55 transitions. [2018-10-04 13:27:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-10-04 13:27:34,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:27:34,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:35,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:35,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 22 states and 58 transitions. [2018-10-04 13:27:35,294 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 58 transitions. [2018-10-04 13:27:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:27:35,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:35,430 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2018-10-04 13:27:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2018-10-04 13:27:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:27:35,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:36,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 24 states and 64 transitions. [2018-10-04 13:27:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 64 transitions. [2018-10-04 13:27:36,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:27:36,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:37,494 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:37,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2018-10-04 13:27:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2018-10-04 13:27:37,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:27:37,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:38,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:38,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 26 states and 70 transitions. [2018-10-04 13:27:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 70 transitions. [2018-10-04 13:27:38,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:27:38,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 27 states and 73 transitions. [2018-10-04 13:27:39,618 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 73 transitions. [2018-10-04 13:27:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:27:39,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:39,767 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:40,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 28 states and 76 transitions. [2018-10-04 13:27:40,106 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 76 transitions. [2018-10-04 13:27:40,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:27:40,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 79 transitions. [2018-10-04 13:27:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 79 transitions. [2018-10-04 13:27:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:27:41,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:41,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 30 states and 82 transitions. [2018-10-04 13:27:41,534 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 82 transitions. [2018-10-04 13:27:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:27:41,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:42,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2018-10-04 13:27:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2018-10-04 13:27:42,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:27:42,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:42,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:42,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 32 states and 88 transitions. [2018-10-04 13:27:42,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 88 transitions. [2018-10-04 13:27:42,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:27:42,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:42,589 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 91 transitions. [2018-10-04 13:27:42,848 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 91 transitions. [2018-10-04 13:27:42,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:27:42,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:44,051 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:44,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:44,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 34 states and 94 transitions. [2018-10-04 13:27:44,305 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 94 transitions. [2018-10-04 13:27:44,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:27:44,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:44,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-04 13:27:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-04 13:27:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:27:44,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:45,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 36 states and 100 transitions. [2018-10-04 13:27:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 100 transitions. [2018-10-04 13:27:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:27:45,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:46,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 37 states and 103 transitions. [2018-10-04 13:27:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 103 transitions. [2018-10-04 13:27:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:27:46,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:47,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2018-10-04 13:27:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2018-10-04 13:27:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:27:47,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:48,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:48,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2018-10-04 13:27:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2018-10-04 13:27:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:27:48,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:48,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:48,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:48,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 40 states and 112 transitions. [2018-10-04 13:27:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 112 transitions. [2018-10-04 13:27:48,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:27:48,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:49,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 115 transitions. [2018-10-04 13:27:49,490 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 115 transitions. [2018-10-04 13:27:49,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:27:49,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:50,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:50,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 118 transitions. [2018-10-04 13:27:50,384 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 118 transitions. [2018-10-04 13:27:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:27:50,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 43 states and 121 transitions. [2018-10-04 13:27:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 121 transitions. [2018-10-04 13:27:50,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:27:50,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:51,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2018-10-04 13:27:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2018-10-04 13:27:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:27:51,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:51,935 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2018-10-04 13:27:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2018-10-04 13:27:52,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:27:52,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:52,871 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:53,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 46 states and 130 transitions. [2018-10-04 13:27:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 130 transitions. [2018-10-04 13:27:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:27:53,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:53,452 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-10-04 13:27:53,820 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-10-04 13:27:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:27:53,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:54,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2018-10-04 13:27:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2018-10-04 13:27:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:27:54,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:55,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:55,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 49 states and 139 transitions. [2018-10-04 13:27:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 139 transitions. [2018-10-04 13:27:55,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:27:55,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:55,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 142 transitions. [2018-10-04 13:27:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 142 transitions. [2018-10-04 13:27:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:27:55,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 51 states and 145 transitions. [2018-10-04 13:27:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 145 transitions. [2018-10-04 13:27:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:27:56,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:56,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 52 states and 148 transitions. [2018-10-04 13:27:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 148 transitions. [2018-10-04 13:27:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:27:56,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:57,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 53 states and 151 transitions. [2018-10-04 13:27:57,697 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 151 transitions. [2018-10-04 13:27:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:27:57,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:57,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:58,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2018-10-04 13:27:58,229 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2018-10-04 13:27:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:27:58,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:58,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2018-10-04 13:27:58,701 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2018-10-04 13:27:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:27:58,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:27:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:27:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 160 transitions. [2018-10-04 13:27:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 160 transitions. [2018-10-04 13:27:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:27:59,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:27:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:27:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:00,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 57 states and 163 transitions. [2018-10-04 13:28:00,031 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 163 transitions. [2018-10-04 13:28:00,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:28:00,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 58 states and 166 transitions. [2018-10-04 13:28:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 166 transitions. [2018-10-04 13:28:00,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:28:00,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2018-10-04 13:28:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2018-10-04 13:28:01,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:28:01,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:01,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:02,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 60 states and 172 transitions. [2018-10-04 13:28:02,035 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 172 transitions. [2018-10-04 13:28:02,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:28:02,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:03,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 61 states and 175 transitions. [2018-10-04 13:28:03,740 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 175 transitions. [2018-10-04 13:28:03,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:28:03,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:04,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:04,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2018-10-04 13:28:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2018-10-04 13:28:04,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:28:04,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:05,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 63 states and 181 transitions. [2018-10-04 13:28:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 181 transitions. [2018-10-04 13:28:05,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 13:28:05,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 184 transitions. [2018-10-04 13:28:05,686 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 184 transitions. [2018-10-04 13:28:05,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:28:05,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:06,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:06,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:06,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 65 states and 187 transitions. [2018-10-04 13:28:06,508 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 187 transitions. [2018-10-04 13:28:06,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:28:06,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 66 states and 190 transitions. [2018-10-04 13:28:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 190 transitions. [2018-10-04 13:28:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:28:07,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 67 states and 193 transitions. [2018-10-04 13:28:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 193 transitions. [2018-10-04 13:28:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:28:08,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 68 states and 196 transitions. [2018-10-04 13:28:10,768 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2018-10-04 13:28:10,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:28:10,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 199 transitions. [2018-10-04 13:28:11,378 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2018-10-04 13:28:11,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 13:28:11,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 70 states and 202 transitions. [2018-10-04 13:28:12,024 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 202 transitions. [2018-10-04 13:28:12,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:28:12,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:12,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 205 transitions. [2018-10-04 13:28:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2018-10-04 13:28:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:28:12,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:12,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 208 transitions. [2018-10-04 13:28:13,238 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 208 transitions. [2018-10-04 13:28:13,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:28:13,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:13,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2018-10-04 13:28:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2018-10-04 13:28:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 13:28:13,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:14,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 214 transitions. [2018-10-04 13:28:14,944 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 214 transitions. [2018-10-04 13:28:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:28:14,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 75 states and 217 transitions. [2018-10-04 13:28:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2018-10-04 13:28:15,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 13:28:15,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:16,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 76 states and 220 transitions. [2018-10-04 13:28:16,492 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2018-10-04 13:28:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:28:16,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:17,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 77 states and 223 transitions. [2018-10-04 13:28:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 223 transitions. [2018-10-04 13:28:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 13:28:17,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:17,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 226 transitions. [2018-10-04 13:28:17,923 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 226 transitions. [2018-10-04 13:28:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:28:17,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:18,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:18,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:18,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 229 transitions. [2018-10-04 13:28:18,619 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 229 transitions. [2018-10-04 13:28:18,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 13:28:18,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2018-10-04 13:28:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2018-10-04 13:28:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:28:19,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:20,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 81 states and 235 transitions. [2018-10-04 13:28:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 235 transitions. [2018-10-04 13:28:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 13:28:20,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:20,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:21,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2018-10-04 13:28:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2018-10-04 13:28:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:28:21,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:21,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:21,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:21,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2018-10-04 13:28:21,990 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2018-10-04 13:28:21,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 13:28:21,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2018-10-04 13:28:22,740 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2018-10-04 13:28:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:28:22,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 85 states and 247 transitions. [2018-10-04 13:28:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2018-10-04 13:28:23,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 13:28:23,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 250 transitions. [2018-10-04 13:28:24,374 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 250 transitions. [2018-10-04 13:28:24,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:28:24,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:24,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:25,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:25,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 253 transitions. [2018-10-04 13:28:25,278 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 253 transitions. [2018-10-04 13:28:25,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 13:28:25,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:25,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 256 transitions. [2018-10-04 13:28:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 256 transitions. [2018-10-04 13:28:26,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:28:26,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:26,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 89 states and 259 transitions. [2018-10-04 13:28:26,954 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 259 transitions. [2018-10-04 13:28:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 13:28:26,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 90 states and 262 transitions. [2018-10-04 13:28:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2018-10-04 13:28:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:28:28,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:28,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:28,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 265 transitions. [2018-10-04 13:28:28,806 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 265 transitions. [2018-10-04 13:28:28,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 13:28:28,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 268 transitions. [2018-10-04 13:28:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 268 transitions. [2018-10-04 13:28:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:28:29,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 93 states and 271 transitions. [2018-10-04 13:28:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2018-10-04 13:28:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 13:28:30,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:30,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 94 states and 274 transitions. [2018-10-04 13:28:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 274 transitions. [2018-10-04 13:28:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:28:31,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:31,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:32,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:32,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2018-10-04 13:28:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2018-10-04 13:28:32,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 13:28:32,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:33,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 280 transitions. [2018-10-04 13:28:33,199 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 280 transitions. [2018-10-04 13:28:33,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:28:33,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:34,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2018-10-04 13:28:34,030 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2018-10-04 13:28:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 13:28:34,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:34,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:35,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:35,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 98 states and 286 transitions. [2018-10-04 13:28:35,264 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2018-10-04 13:28:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:28:35,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:35,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2018-10-04 13:28:36,123 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2018-10-04 13:28:36,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 13:28:36,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2018-10-04 13:28:37,089 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2018-10-04 13:28:37,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 13:28:37,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:37,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:37,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 101 states and 295 transitions. [2018-10-04 13:28:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 295 transitions. [2018-10-04 13:28:38,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 13:28:38,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:38,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:38,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:38,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2018-10-04 13:28:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2018-10-04 13:28:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:28:38,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:40,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:40,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 103 states and 301 transitions. [2018-10-04 13:28:40,043 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 301 transitions. [2018-10-04 13:28:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 13:28:40,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:28:40,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:28:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:28:40,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 104 states and 304 transitions. [2018-10-04 13:28:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2018-10-04 13:28:40,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 13:28:40,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:28:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:29:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 205 states and 807 transitions. [2018-10-04 13:31:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 807 transitions. [2018-10-04 13:31:05,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 13:31:05,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:16,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:31:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:31:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 205 states and 805 transitions. [2018-10-04 13:31:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 805 transitions. [2018-10-04 13:31:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 13:31:20,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:31:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-04 13:31:29,227 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-04 13:31:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:31:29,342 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:31:29,374 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-04 13:31:29,374 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:31:29,377 INFO L168 Benchmark]: Toolchain (without parser) took 241121.40 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 917.4 MB in the end (delta: 540.9 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-04 13:31:29,379 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:31:29,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.00 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. [2018-10-04 13:31:29,380 INFO L168 Benchmark]: Boogie Preprocessor took 24.71 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. [2018-10-04 13:31:29,381 INFO L168 Benchmark]: RCFGBuilder took 447.56 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. [2018-10-04 13:31:29,381 INFO L168 Benchmark]: CodeCheck took 240600.97 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 917.4 MB in the end (delta: 519.8 MB). Peak memory consumption was 2.4 GB. Max. memory is 7.1 GB. [2018-10-04 13:31:29,385 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 1020 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.00 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 24.71 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 447.56 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 240600.97 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 917.4 MB in the end (delta: 519.8 MB). Peak memory consumption was 2.4 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/HiddenEqualityWithBranches.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-31-29-402.csv Completed graceful shutdown