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 0.1.23-133090d [2018-10-04 10:21:38,746 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:21:38,748 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:21:38,761 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:21:38,762 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:21:38,763 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:21:38,764 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:21:38,766 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:21:38,767 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:21:38,768 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:21:38,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:21:38,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:21:38,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:21:38,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:21:38,772 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:21:38,773 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:21:38,774 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:21:38,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:21:38,781 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:21:38,786 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:21:38,787 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:21:38,791 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:21:38,796 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:21:38,796 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:21:38,796 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:21:38,797 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:21:38,800 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:21:38,802 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:21:38,803 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:21:38,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:21:38,804 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:21:38,808 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:21:38,808 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:21:38,808 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:21:38,809 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:21:38,810 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:21:38,810 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 10:21:38,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:21:38,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:21:38,830 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:21:38,830 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:21:38,830 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:21:38,830 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:21:38,831 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:21:38,831 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:21:38,831 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:21:38,831 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:21:38,831 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:21:38,832 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:21:38,832 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:21:38,832 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:21:38,832 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:21:38,832 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:21:38,833 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:21:38,833 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:21:38,833 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:21:38,833 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:21:38,833 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:21:38,834 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:21:38,834 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:21:38,834 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:21:38,834 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:21:38,834 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:21:38,835 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:21:38,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:21:38,835 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:21:38,879 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:21:38,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:21:38,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:21:38,899 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:21:38,900 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:21:38,901 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl [2018-10-04 10:21:38,901 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEqualityWithBranches.bpl' [2018-10-04 10:21:38,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:21:38,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:21:38,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:21:38,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:21:38,947 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:21:38,970 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 10:21:38" (1/1) ... [2018-10-04 10:21:38,984 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 10:21:38" (1/1) ... [2018-10-04 10:21:38,991 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 10:21:38,991 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 10:21:38,991 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 10:21:38,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:21:38,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:21:38,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:21:38,995 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:21:39,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:21:38" (1/1) ... [2018-10-04 10:21:39,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:21:38" (1/1) ... [2018-10-04 10:21:39,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:21:38" (1/1) ... [2018-10-04 10:21:39,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:21:38" (1/1) ... [2018-10-04 10:21:39,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:21:38" (1/1) ... [2018-10-04 10:21:39,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:21:38" (1/1) ... [2018-10-04 10:21:39,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:21:38" (1/1) ... [2018-10-04 10:21:39,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:21:39,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:21:39,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:21:39,024 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:21:39,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:21:38" (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 10:21:39,107 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 10:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 10:21:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 10:21:39,526 INFO L338 CfgBuilder]: Using library mode [2018-10-04 10:21:39,527 INFO L202 PluginConnector]: Adding new model HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:21:39 BoogieIcfgContainer [2018-10-04 10:21:39,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:21:39,528 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:21:39,528 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:21:39,547 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:21:39,547 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEqualityWithBranches.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:21:39" (1/1) ... [2018-10-04 10:21:39,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:21:39,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:39,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-10-04 10:21:39,606 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-10-04 10:21:39,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-10-04 10:21:39,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:39,740 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 10:21:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:39,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-04 10:21:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-04 10:21:39,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 10:21:39,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:40,088 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 10:21:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 6 states and 10 transitions. [2018-10-04 10:21:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 10 transitions. [2018-10-04 10:21:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:21:40,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:40,386 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 10:21:40,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 7 states and 13 transitions. [2018-10-04 10:21:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 13 transitions. [2018-10-04 10:21:40,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:21:40,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:40,812 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 10:21:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 8 states and 16 transitions. [2018-10-04 10:21:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 16 transitions. [2018-10-04 10:21:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:21:40,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:41,106 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 10:21:41,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-04 10:21:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-04 10:21:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:21:41,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:41,344 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 10:21:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:41,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 10 states and 22 transitions. [2018-10-04 10:21:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 22 transitions. [2018-10-04 10:21:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:21:41,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:41,852 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 10:21:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 11 states and 25 transitions. [2018-10-04 10:21:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 25 transitions. [2018-10-04 10:21:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:21:42,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:42,109 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 10:21:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 12 states and 28 transitions. [2018-10-04 10:21:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 28 transitions. [2018-10-04 10:21:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:21:42,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:42,345 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 10:21:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 13 states and 31 transitions. [2018-10-04 10:21:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 31 transitions. [2018-10-04 10:21:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:21:42,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:42,697 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 10:21:42,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 14 states and 34 transitions. [2018-10-04 10:21:42,826 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 34 transitions. [2018-10-04 10:21:42,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:21:42,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:42,945 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 10:21:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:43,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 15 states and 37 transitions. [2018-10-04 10:21:43,090 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 37 transitions. [2018-10-04 10:21:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:21:43,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:43,184 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 10:21:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 16 states and 40 transitions. [2018-10-04 10:21:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 40 transitions. [2018-10-04 10:21:43,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:21:43,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:43,481 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 10:21:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 17 states and 43 transitions. [2018-10-04 10:21:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 43 transitions. [2018-10-04 10:21:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:21:43,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:43,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:44,304 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 10:21:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2018-10-04 10:21:44,453 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2018-10-04 10:21:44,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:21:44,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:44,603 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 10:21:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 49 transitions. [2018-10-04 10:21:44,739 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 49 transitions. [2018-10-04 10:21:44,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:21:44,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:45,024 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 10:21:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 20 states and 52 transitions. [2018-10-04 10:21:45,187 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 52 transitions. [2018-10-04 10:21:45,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:21:45,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:45,328 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 10:21:45,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 55 transitions. [2018-10-04 10:21:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 55 transitions. [2018-10-04 10:21:45,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:21:45,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:45,727 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 10:21:45,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:45,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 22 states and 58 transitions. [2018-10-04 10:21:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 58 transitions. [2018-10-04 10:21:45,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:21:45,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:46,071 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 10:21:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:46,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 23 states and 61 transitions. [2018-10-04 10:21:46,245 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 61 transitions. [2018-10-04 10:21:46,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:21:46,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:46,602 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 10:21:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 24 states and 64 transitions. [2018-10-04 10:21:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 64 transitions. [2018-10-04 10:21:47,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:21:47,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:48,569 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 10:21:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:49,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 25 states and 67 transitions. [2018-10-04 10:21:49,371 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 67 transitions. [2018-10-04 10:21:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:21:49,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:49,671 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 10:21:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:50,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 26 states and 70 transitions. [2018-10-04 10:21:50,301 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 70 transitions. [2018-10-04 10:21:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:21:50,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:50,640 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 10:21:50,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 27 states and 73 transitions. [2018-10-04 10:21:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 73 transitions. [2018-10-04 10:21:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 10:21:50,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:51,514 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 10:21:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 28 states and 76 transitions. [2018-10-04 10:21:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 76 transitions. [2018-10-04 10:21:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:21:51,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:52,105 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 10:21:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 29 states and 79 transitions. [2018-10-04 10:21:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 79 transitions. [2018-10-04 10:21:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 10:21:52,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:52,454 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 10:21:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 30 states and 82 transitions. [2018-10-04 10:21:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 82 transitions. [2018-10-04 10:21:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:21:52,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:52,884 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 10:21:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:53,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 31 states and 85 transitions. [2018-10-04 10:21:53,163 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 85 transitions. [2018-10-04 10:21:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:21:53,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:53,342 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 10:21:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:53,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 32 states and 88 transitions. [2018-10-04 10:21:53,543 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 88 transitions. [2018-10-04 10:21:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:21:53,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:54,147 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 10:21:54,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 91 transitions. [2018-10-04 10:21:54,620 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 91 transitions. [2018-10-04 10:21:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 10:21:54,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:55,335 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 10:21:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 34 states and 94 transitions. [2018-10-04 10:21:55,556 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 94 transitions. [2018-10-04 10:21:55,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:21:55,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:55,819 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 10:21:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:56,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 35 states and 97 transitions. [2018-10-04 10:21:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 97 transitions. [2018-10-04 10:21:56,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 10:21:56,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:56,306 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 10:21:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 36 states and 100 transitions. [2018-10-04 10:21:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 100 transitions. [2018-10-04 10:21:56,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:21:56,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:56,732 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 10:21:57,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:57,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 37 states and 103 transitions. [2018-10-04 10:21:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 103 transitions. [2018-10-04 10:21:57,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 10:21:57,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:57,573 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 10:21:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:57,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2018-10-04 10:21:57,822 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2018-10-04 10:21:57,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:21:57,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:58,701 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 10:21:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:58,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 39 states and 109 transitions. [2018-10-04 10:21:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 109 transitions. [2018-10-04 10:21:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 10:21:58,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:21:59,248 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 10:21:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:21:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 40 states and 112 transitions. [2018-10-04 10:21:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 112 transitions. [2018-10-04 10:21:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:21:59,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:21:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:00,005 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 10:22:00,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:00,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 115 transitions. [2018-10-04 10:22:00,248 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 115 transitions. [2018-10-04 10:22:00,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 10:22:00,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:00,480 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 10:22:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 118 transitions. [2018-10-04 10:22:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 118 transitions. [2018-10-04 10:22:00,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:22:00,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:01,022 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 10:22:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:01,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 43 states and 121 transitions. [2018-10-04 10:22:01,294 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 121 transitions. [2018-10-04 10:22:01,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 10:22:01,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:01,846 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 10:22:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 44 states and 124 transitions. [2018-10-04 10:22:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 124 transitions. [2018-10-04 10:22:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:22:02,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:02,652 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 10:22:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 45 states and 127 transitions. [2018-10-04 10:22:03,149 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 127 transitions. [2018-10-04 10:22:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 10:22:03,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:03,396 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 10:22:03,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 46 states and 130 transitions. [2018-10-04 10:22:03,967 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 130 transitions. [2018-10-04 10:22:03,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:22:03,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:04,186 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 10:22:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 47 states and 133 transitions. [2018-10-04 10:22:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 133 transitions. [2018-10-04 10:22:04,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:22:04,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:05,075 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 10:22:05,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2018-10-04 10:22:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2018-10-04 10:22:05,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:22:05,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:05,531 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 10:22:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 49 states and 139 transitions. [2018-10-04 10:22:05,800 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 139 transitions. [2018-10-04 10:22:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 10:22:05,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:06,067 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 10:22:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 50 states and 142 transitions. [2018-10-04 10:22:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 142 transitions. [2018-10-04 10:22:06,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:22:06,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:06,780 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 10:22:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 51 states and 145 transitions. [2018-10-04 10:22:07,148 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 145 transitions. [2018-10-04 10:22:07,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 10:22:07,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:07,467 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 10:22:07,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:07,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 52 states and 148 transitions. [2018-10-04 10:22:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 148 transitions. [2018-10-04 10:22:07,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:22:07,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:08,038 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 10:22:08,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 53 states and 151 transitions. [2018-10-04 10:22:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 151 transitions. [2018-10-04 10:22:08,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 10:22:08,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:08,619 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 10:22:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 54 states and 154 transitions. [2018-10-04 10:22:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 154 transitions. [2018-10-04 10:22:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:22:08,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:09,181 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 10:22:09,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:09,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 55 states and 157 transitions. [2018-10-04 10:22:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 157 transitions. [2018-10-04 10:22:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:22:09,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:09,885 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 10:22:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 56 states and 160 transitions. [2018-10-04 10:22:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 160 transitions. [2018-10-04 10:22:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:22:10,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:10,461 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 10:22:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 57 states and 163 transitions. [2018-10-04 10:22:10,771 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 163 transitions. [2018-10-04 10:22:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:22:10,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:10,933 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 10:22:11,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:11,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 58 states and 166 transitions. [2018-10-04 10:22:11,302 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 166 transitions. [2018-10-04 10:22:11,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:22:11,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:11,482 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 10:22:12,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:12,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 59 states and 169 transitions. [2018-10-04 10:22:12,148 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 169 transitions. [2018-10-04 10:22:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 10:22:12,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:12,815 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 10:22:13,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:13,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 60 states and 172 transitions. [2018-10-04 10:22:13,211 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 172 transitions. [2018-10-04 10:22:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:22:13,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:13,421 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 10:22:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:20,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 61 states and 175 transitions. [2018-10-04 10:22:20,061 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 175 transitions. [2018-10-04 10:22:20,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 10:22:20,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:20,304 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 10:22:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 62 states and 178 transitions. [2018-10-04 10:22:20,692 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2018-10-04 10:22:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 10:22:20,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:20,896 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 10:22:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 63 states and 181 transitions. [2018-10-04 10:22:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 181 transitions. [2018-10-04 10:22:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 10:22:21,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:21,427 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 10:22:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 64 states and 184 transitions. [2018-10-04 10:22:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 184 transitions. [2018-10-04 10:22:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 10:22:21,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:22,145 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 10:22:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 65 states and 187 transitions. [2018-10-04 10:22:22,506 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 187 transitions. [2018-10-04 10:22:22,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 10:22:22,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:23,348 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 10:22:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 66 states and 190 transitions. [2018-10-04 10:22:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 190 transitions. [2018-10-04 10:22:23,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 10:22:23,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:23,938 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 10:22:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:24,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 67 states and 193 transitions. [2018-10-04 10:22:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 193 transitions. [2018-10-04 10:22:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 10:22:24,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:24,704 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 10:22:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 68 states and 196 transitions. [2018-10-04 10:22:25,655 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 196 transitions. [2018-10-04 10:22:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 10:22:25,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:25,833 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 10:22:26,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:26,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 69 states and 199 transitions. [2018-10-04 10:22:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 199 transitions. [2018-10-04 10:22:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 10:22:26,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:26,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:26,447 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 10:22:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 70 states and 202 transitions. [2018-10-04 10:22:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 202 transitions. [2018-10-04 10:22:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 10:22:26,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:27,164 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 10:22:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 71 states and 205 transitions. [2018-10-04 10:22:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2018-10-04 10:22:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 10:22:27,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:27,775 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 10:22:28,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 72 states and 208 transitions. [2018-10-04 10:22:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 208 transitions. [2018-10-04 10:22:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 10:22:28,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:28,391 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 10:22:28,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:28,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 73 states and 211 transitions. [2018-10-04 10:22:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 211 transitions. [2018-10-04 10:22:28,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 10:22:28,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:29,008 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 10:22:29,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:29,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 74 states and 214 transitions. [2018-10-04 10:22:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 214 transitions. [2018-10-04 10:22:29,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 10:22:29,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:29,761 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 10:22:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 75 states and 217 transitions. [2018-10-04 10:22:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2018-10-04 10:22:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 10:22:30,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:31,466 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 10:22:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:31,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 76 states and 220 transitions. [2018-10-04 10:22:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 220 transitions. [2018-10-04 10:22:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 10:22:31,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:32,213 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 10:22:32,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:32,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 77 states and 223 transitions. [2018-10-04 10:22:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 223 transitions. [2018-10-04 10:22:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 10:22:32,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:32,926 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 10:22:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 78 states and 226 transitions. [2018-10-04 10:22:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 226 transitions. [2018-10-04 10:22:33,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 10:22:33,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:33,577 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 10:22:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 79 states and 229 transitions. [2018-10-04 10:22:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 229 transitions. [2018-10-04 10:22:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 10:22:34,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:34,273 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 10:22:34,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:34,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 80 states and 232 transitions. [2018-10-04 10:22:34,940 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 232 transitions. [2018-10-04 10:22:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 10:22:34,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:35,509 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 10:22:35,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:35,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 81 states and 235 transitions. [2018-10-04 10:22:35,973 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 235 transitions. [2018-10-04 10:22:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 10:22:35,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:36,191 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 10:22:36,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 82 states and 238 transitions. [2018-10-04 10:22:36,647 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 238 transitions. [2018-10-04 10:22:36,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 10:22:36,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:36,903 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 10:22:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 83 states and 241 transitions. [2018-10-04 10:22:37,377 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 241 transitions. [2018-10-04 10:22:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 10:22:37,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:37,607 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 10:22:38,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 84 states and 244 transitions. [2018-10-04 10:22:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 244 transitions. [2018-10-04 10:22:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 10:22:38,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:38,384 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 10:22:38,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:38,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 85 states and 247 transitions. [2018-10-04 10:22:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 247 transitions. [2018-10-04 10:22:38,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 10:22:38,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:39,166 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 10:22:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 86 states and 250 transitions. [2018-10-04 10:22:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 250 transitions. [2018-10-04 10:22:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 10:22:39,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:39,883 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 10:22:40,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 253 transitions. [2018-10-04 10:22:40,817 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 253 transitions. [2018-10-04 10:22:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 10:22:40,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:41,102 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 10:22:41,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 256 transitions. [2018-10-04 10:22:41,713 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 256 transitions. [2018-10-04 10:22:41,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 10:22:41,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:41,964 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 10:22:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 89 states and 259 transitions. [2018-10-04 10:22:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 259 transitions. [2018-10-04 10:22:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 10:22:42,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:42,749 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 10:22:43,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 90 states and 262 transitions. [2018-10-04 10:22:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 262 transitions. [2018-10-04 10:22:43,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 10:22:43,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:43,631 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 10:22:44,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 91 states and 265 transitions. [2018-10-04 10:22:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 265 transitions. [2018-10-04 10:22:44,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 10:22:44,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:44,540 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 10:22:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:45,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 92 states and 268 transitions. [2018-10-04 10:22:45,062 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 268 transitions. [2018-10-04 10:22:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 10:22:45,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:45,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:45,369 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 10:22:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 93 states and 271 transitions. [2018-10-04 10:22:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 271 transitions. [2018-10-04 10:22:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 10:22:46,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:46,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:46,384 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 10:22:46,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:46,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 94 states and 274 transitions. [2018-10-04 10:22:46,959 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 274 transitions. [2018-10-04 10:22:46,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 10:22:46,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:47,276 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 10:22:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:47,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2018-10-04 10:22:47,837 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2018-10-04 10:22:47,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 10:22:47,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:48,135 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 10:22:48,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:48,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 96 states and 280 transitions. [2018-10-04 10:22:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 280 transitions. [2018-10-04 10:22:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 10:22:48,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:49,014 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 10:22:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 97 states and 283 transitions. [2018-10-04 10:22:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 283 transitions. [2018-10-04 10:22:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 10:22:49,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:49,893 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 10:22:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:50,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 98 states and 286 transitions. [2018-10-04 10:22:50,501 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 286 transitions. [2018-10-04 10:22:50,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 10:22:50,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:50,945 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 10:22:51,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:51,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 289 transitions. [2018-10-04 10:22:51,509 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 289 transitions. [2018-10-04 10:22:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 10:22:51,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:51,801 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 10:22:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 100 states and 292 transitions. [2018-10-04 10:22:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 292 transitions. [2018-10-04 10:22:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 10:22:52,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:52,675 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 10:22:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 101 states and 295 transitions. [2018-10-04 10:22:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 295 transitions. [2018-10-04 10:22:53,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 10:22:53,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:53,683 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 10:22:54,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:54,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2018-10-04 10:22:54,376 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2018-10-04 10:22:54,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 10:22:54,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:54,668 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 10:22:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 103 states and 301 transitions. [2018-10-04 10:22:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 301 transitions. [2018-10-04 10:22:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 10:22:55,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:22:55,633 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 10:22:56,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:22:56,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 104 states and 304 transitions. [2018-10-04 10:22:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 304 transitions. [2018-10-04 10:22:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 10:22:56,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:22:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:23:19,088 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 10:25:20,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:20,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 205 states and 807 transitions. [2018-10-04 10:25:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 807 transitions. [2018-10-04 10:25:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 10:25:20,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:30,379 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 10:25:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:25:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 205 states and 805 transitions. [2018-10-04 10:25:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 805 transitions. [2018-10-04 10:25:34,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 10:25:34,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:25:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-04 10:25:37,011 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-04 10:25:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:25:37,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:25:37,126 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-04 10:25:37,127 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 10:25:37,129 INFO L168 Benchmark]: Toolchain (without parser) took 238183.32 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 1.1 GB in the end (delta: 379.2 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-04 10:25:37,131 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 10:25:37,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.75 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 10:25:37,132 INFO L168 Benchmark]: Boogie Preprocessor took 28.85 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:25:37,132 INFO L168 Benchmark]: RCFGBuilder took 504.22 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 10:25:37,133 INFO L168 Benchmark]: CodeCheck took 237599.98 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 1.1 GB in the end (delta: 358.0 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-10-04 10:25:37,137 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 46.75 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 28.85 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 504.22 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 237599.98 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 1.1 GB in the end (delta: 358.0 MB). Peak memory consumption was 2.3 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_10-25-37-149.csv Completed graceful shutdown