java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:09:52,929 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:09:52,931 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:09:52,948 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:09:52,949 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:09:52,950 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:09:52,952 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:09:52,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:09:52,957 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:09:52,959 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:09:52,962 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:09:52,962 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:09:52,964 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:09:52,965 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:09:52,966 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:09:52,969 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:09:52,970 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:09:52,981 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:09:52,984 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:09:52,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:09:52,990 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:09:52,992 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:09:52,998 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:09:52,998 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:09:52,999 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:09:52,999 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:09:53,000 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:09:53,001 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:09:53,002 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:09:53,005 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:09:53,005 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:09:53,006 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:09:53,006 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:09:53,006 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:09:53,008 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:09:53,008 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:09:53,009 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-30 11:09:53,030 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:09:53,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:09:53,032 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:09:53,032 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:09:53,033 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:09:53,033 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:09:53,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:09:53,036 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:09:53,036 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:09:53,036 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:09:53,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:09:53,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:09:53,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:09:53,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:09:53,037 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:09:53,038 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:09:53,038 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:09:53,038 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:09:53,038 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:09:53,039 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:09:53,039 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:09:53,039 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:09:53,039 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:09:53,040 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:09:53,041 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:09:53,041 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:09:53,041 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:09:53,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:09:53,041 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:09:53,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:09:53,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:09:53,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:09:53,140 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:09:53,140 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:09:53,141 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-09-30 11:09:53,142 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-09-30 11:09:53,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:09:53,209 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:09:53,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:09:53,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:09:53,210 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:09:53,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:09:53,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:09:53,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:09:53,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:09:53,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:09:53,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:09:53,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:09:53,278 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:09:53,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:09:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:09:53,341 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-09-30 11:09:53,341 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-09-30 11:09:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-09-30 11:09:53,342 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-09-30 11:09:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-09-30 11:09:53,342 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-09-30 11:09:53,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 11:09:53,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 11:09:53,343 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-09-30 11:09:53,343 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-09-30 11:09:53,915 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 11:09:53,916 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:09:53 BoogieIcfgContainer [2018-09-30 11:09:53,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:09:53,916 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:09:53,916 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:09:53,927 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:09:53,928 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:09:53" (1/1) ... [2018-09-30 11:09:53,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:09:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-09-30 11:09:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-09-30 11:09:53,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:53,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-30 11:09:54,681 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-30 11:09:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:09:54,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:55,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-09-30 11:09:55,741 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-09-30 11:09:55,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:55,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-09-30 11:09:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-09-30 11:09:56,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:56,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:56,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-09-30 11:09:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-09-30 11:09:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:56,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:09:57,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:57,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-09-30 11:09:57,006 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-09-30 11:09:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:57,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:57,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:57,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 64 states and 129 transitions. [2018-09-30 11:09:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 129 transitions. [2018-09-30 11:09:57,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:57,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:57,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:58,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-09-30 11:09:58,073 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-09-30 11:09:58,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:58,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 67 states and 140 transitions. [2018-09-30 11:09:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 140 transitions. [2018-09-30 11:09:58,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:58,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:58,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-09-30 11:09:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-09-30 11:09:58,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:58,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:09:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:58,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-09-30 11:09:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-09-30 11:09:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:58,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:59,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 75 states and 161 transitions. [2018-09-30 11:09:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 161 transitions. [2018-09-30 11:09:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:09:59,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:09:59,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:09:59,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 76 states and 161 transitions. [2018-09-30 11:09:59,484 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 161 transitions. [2018-09-30 11:09:59,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:09:59,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:09:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:09:59,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:00,779 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-30 11:10:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:01,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 83 states and 184 transitions. [2018-09-30 11:10:01,607 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 184 transitions. [2018-09-30 11:10:01,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:10:01,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:04,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 90 states and 208 transitions. [2018-09-30 11:10:04,007 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 208 transitions. [2018-09-30 11:10:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:10:04,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:04,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 96 states and 229 transitions. [2018-09-30 11:10:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 229 transitions. [2018-09-30 11:10:06,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:10:06,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:07,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 100 states and 253 transitions. [2018-09-30 11:10:07,587 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 253 transitions. [2018-09-30 11:10:07,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:10:07,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 103 states and 265 transitions. [2018-09-30 11:10:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 265 transitions. [2018-09-30 11:10:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:10:09,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 105 states and 270 transitions. [2018-09-30 11:10:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 270 transitions. [2018-09-30 11:10:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:10:10,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 107 states and 276 transitions. [2018-09-30 11:10:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 276 transitions. [2018-09-30 11:10:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:10:10,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 111 states and 290 transitions. [2018-09-30 11:10:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 290 transitions. [2018-09-30 11:10:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:11,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:14,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:14,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 118 states and 315 transitions. [2018-09-30 11:10:14,007 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 315 transitions. [2018-09-30 11:10:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:14,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:14,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:14,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 119 states and 317 transitions. [2018-09-30 11:10:14,591 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 317 transitions. [2018-09-30 11:10:14,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:14,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:14,732 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:16,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 124 states and 333 transitions. [2018-09-30 11:10:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 333 transitions. [2018-09-30 11:10:16,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:16,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:17,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:17,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 131 states and 356 transitions. [2018-09-30 11:10:17,836 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 356 transitions. [2018-09-30 11:10:17,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:17,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:19,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 139 states and 376 transitions. [2018-09-30 11:10:19,994 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 376 transitions. [2018-09-30 11:10:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:19,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:20,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 140 states and 377 transitions. [2018-09-30 11:10:20,062 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 377 transitions. [2018-09-30 11:10:20,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:20,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:20,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 143 states and 382 transitions. [2018-09-30 11:10:20,458 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 382 transitions. [2018-09-30 11:10:20,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:20,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:21,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:21,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 149 states and 397 transitions. [2018-09-30 11:10:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 397 transitions. [2018-09-30 11:10:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:21,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 150 states and 397 transitions. [2018-09-30 11:10:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 397 transitions. [2018-09-30 11:10:22,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:22,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:10:22,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:22,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 151 states and 400 transitions. [2018-09-30 11:10:22,178 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 400 transitions. [2018-09-30 11:10:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:22,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:22,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:22,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 152 states and 400 transitions. [2018-09-30 11:10:22,693 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 400 transitions. [2018-09-30 11:10:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:22,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:24,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 158 states and 418 transitions. [2018-09-30 11:10:24,853 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 418 transitions. [2018-09-30 11:10:24,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:24,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:25,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:25,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:25,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 159 states and 419 transitions. [2018-09-30 11:10:25,246 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 419 transitions. [2018-09-30 11:10:25,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:25,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 164 states and 434 transitions. [2018-09-30 11:10:27,215 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 434 transitions. [2018-09-30 11:10:27,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:27,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:27,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 11:10:27,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 166 states and 437 transitions. [2018-09-30 11:10:27,824 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 437 transitions. [2018-09-30 11:10:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:27,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:28,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 169 states and 449 transitions. [2018-09-30 11:10:28,875 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 449 transitions. [2018-09-30 11:10:28,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:28,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 173 states and 458 transitions. [2018-09-30 11:10:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 458 transitions. [2018-09-30 11:10:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:31,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 175 states and 463 transitions. [2018-09-30 11:10:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 463 transitions. [2018-09-30 11:10:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:32,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:34,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:34,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 179 states and 480 transitions. [2018-09-30 11:10:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 480 transitions. [2018-09-30 11:10:34,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 11:10:34,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:34,363 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:35,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 181 states and 488 transitions. [2018-09-30 11:10:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 488 transitions. [2018-09-30 11:10:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:10:35,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 11:10:37,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 184 states and 497 transitions. [2018-09-30 11:10:37,717 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 497 transitions. [2018-09-30 11:10:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:10:37,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 11:10:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:38,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 184 states and 496 transitions. [2018-09-30 11:10:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 496 transitions. [2018-09-30 11:10:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:10:38,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:38,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-30 11:10:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 184 states and 495 transitions. [2018-09-30 11:10:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 495 transitions. [2018-09-30 11:10:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 11:10:39,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:40,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:40,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 186 states and 503 transitions. [2018-09-30 11:10:40,551 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 503 transitions. [2018-09-30 11:10:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:10:40,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-30 11:10:42,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:42,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 189 states and 512 transitions. [2018-09-30 11:10:42,948 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 512 transitions. [2018-09-30 11:10:42,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:10:42,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:43,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 193 states and 534 transitions. [2018-09-30 11:10:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 534 transitions. [2018-09-30 11:10:47,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:10:47,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:50,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 198 states and 557 transitions. [2018-09-30 11:10:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 557 transitions. [2018-09-30 11:10:50,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:10:50,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:53,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:53,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 199 states and 563 transitions. [2018-09-30 11:10:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 563 transitions. [2018-09-30 11:10:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:10:53,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:53,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 204 states and 578 transitions. [2018-09-30 11:10:55,787 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 578 transitions. [2018-09-30 11:10:55,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:10:55,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 211 states and 605 transitions. [2018-09-30 11:10:59,075 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 605 transitions. [2018-09-30 11:10:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:10:59,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:00,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:05,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 215 states and 627 transitions. [2018-09-30 11:11:05,451 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 627 transitions. [2018-09-30 11:11:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:11:05,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:06,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:09,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:09,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 219 states and 644 transitions. [2018-09-30 11:11:09,791 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 644 transitions. [2018-09-30 11:11:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:11:09,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:14,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 225 states and 668 transitions. [2018-09-30 11:11:14,800 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 668 transitions. [2018-09-30 11:11:14,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:11:14,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:14,886 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:17,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:17,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 226 states and 671 transitions. [2018-09-30 11:11:17,153 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 671 transitions. [2018-09-30 11:11:17,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:11:17,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:19,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 228 states and 676 transitions. [2018-09-30 11:11:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 676 transitions. [2018-09-30 11:11:19,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:11:19,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 229 states and 677 transitions. [2018-09-30 11:11:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 677 transitions. [2018-09-30 11:11:20,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:11:20,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:21,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:21,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 231 states and 685 transitions. [2018-09-30 11:11:21,535 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 685 transitions. [2018-09-30 11:11:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:11:21,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:21,551 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:22,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 232 states and 689 transitions. [2018-09-30 11:11:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 689 transitions. [2018-09-30 11:11:22,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:22,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:22,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 236 states and 710 transitions. [2018-09-30 11:11:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 710 transitions. [2018-09-30 11:11:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:27,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:30,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 239 states and 726 transitions. [2018-09-30 11:11:30,320 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 726 transitions. [2018-09-30 11:11:30,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:30,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:30,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:32,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 241 states and 731 transitions. [2018-09-30 11:11:32,229 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 731 transitions. [2018-09-30 11:11:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:32,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 243 states and 738 transitions. [2018-09-30 11:11:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 738 transitions. [2018-09-30 11:11:34,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:34,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:34,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:39,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:39,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 250 states and 768 transitions. [2018-09-30 11:11:39,619 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 768 transitions. [2018-09-30 11:11:39,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:39,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:39,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:40,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 251 states and 772 transitions. [2018-09-30 11:11:40,604 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 772 transitions. [2018-09-30 11:11:40,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:40,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:40,904 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:44,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 252 states and 776 transitions. [2018-09-30 11:11:44,271 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 776 transitions. [2018-09-30 11:11:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:44,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:49,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 258 states and 804 transitions. [2018-09-30 11:11:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 804 transitions. [2018-09-30 11:11:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:49,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:50,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:58,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 267 states and 847 transitions. [2018-09-30 11:11:58,809 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 847 transitions. [2018-09-30 11:11:58,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:11:58,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:10,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 279 states and 905 transitions. [2018-09-30 11:12:10,369 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 905 transitions. [2018-09-30 11:12:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:10,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:11,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:21,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:21,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 287 states and 939 transitions. [2018-09-30 11:12:21,406 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 939 transitions. [2018-09-30 11:12:21,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:21,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 288 states and 949 transitions. [2018-09-30 11:12:22,429 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 949 transitions. [2018-09-30 11:12:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:22,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:22,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:23,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 289 states and 957 transitions. [2018-09-30 11:12:23,637 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 957 transitions. [2018-09-30 11:12:23,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:23,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 293 states and 989 transitions. [2018-09-30 11:12:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 989 transitions. [2018-09-30 11:12:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:26,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:27,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:29,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 295 states and 1005 transitions. [2018-09-30 11:12:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 1005 transitions. [2018-09-30 11:12:29,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:29,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 296 states and 1011 transitions. [2018-09-30 11:12:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 1011 transitions. [2018-09-30 11:12:30,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:30,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 299 states and 1026 transitions. [2018-09-30 11:12:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1026 transitions. [2018-09-30 11:12:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:34,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:36,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:36,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 302 states and 1039 transitions. [2018-09-30 11:12:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1039 transitions. [2018-09-30 11:12:36,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:36,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:36,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:36,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 303 states and 1041 transitions. [2018-09-30 11:12:36,967 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1041 transitions. [2018-09-30 11:12:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:36,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 307 states and 1061 transitions. [2018-09-30 11:12:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1061 transitions. [2018-09-30 11:12:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:44,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 314 states and 1094 transitions. [2018-09-30 11:12:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1094 transitions. [2018-09-30 11:12:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:52,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:52,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 315 states and 1100 transitions. [2018-09-30 11:12:53,975 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1100 transitions. [2018-09-30 11:12:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:53,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:54,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:55,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 316 states and 1103 transitions. [2018-09-30 11:12:55,512 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1103 transitions. [2018-09-30 11:12:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:12:55,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:03,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 322 states and 1129 transitions. [2018-09-30 11:13:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1129 transitions. [2018-09-30 11:13:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:03,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 325 states and 1147 transitions. [2018-09-30 11:13:06,806 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1147 transitions. [2018-09-30 11:13:06,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:06,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:07,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 331 states and 1182 transitions. [2018-09-30 11:13:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1182 transitions. [2018-09-30 11:13:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:14,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:17,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 333 states and 1187 transitions. [2018-09-30 11:13:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 1187 transitions. [2018-09-30 11:13:17,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:17,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:19,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:19,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 335 states and 1190 transitions. [2018-09-30 11:13:19,897 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1190 transitions. [2018-09-30 11:13:19,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:19,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:20,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 336 states and 1192 transitions. [2018-09-30 11:13:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1192 transitions. [2018-09-30 11:13:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:20,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 341 states and 1216 transitions. [2018-09-30 11:13:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1216 transitions. [2018-09-30 11:13:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:29,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:31,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 342 states and 1225 transitions. [2018-09-30 11:13:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1225 transitions. [2018-09-30 11:13:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:31,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 348 states and 1266 transitions. [2018-09-30 11:13:42,281 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1266 transitions. [2018-09-30 11:13:42,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:42,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:42,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 350 states and 1268 transitions. [2018-09-30 11:13:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1268 transitions. [2018-09-30 11:13:44,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:44,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:59,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:59,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 359 states and 1309 transitions. [2018-09-30 11:13:59,506 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1309 transitions. [2018-09-30 11:13:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:13:59,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:59,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 11:14:02,353 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 11:14:02,356 INFO L168 Benchmark]: Toolchain (without parser) took 249148.96 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -728.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-30 11:14:02,357 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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. [2018-09-30 11:14:02,358 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.43 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. [2018-09-30 11:14:02,358 INFO L168 Benchmark]: Boogie Preprocessor took 22.81 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. [2018-09-30 11:14:02,359 INFO L168 Benchmark]: RCFGBuilder took 637.79 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. [2018-09-30 11:14:02,359 INFO L168 Benchmark]: CodeCheck took 248438.85 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -749.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-30 11:14:02,367 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1213 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.43 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 22.81 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 637.79 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 248438.85 ms. Allocated memory was 1.5 GB in the beginning and 3.3 GB in the end (delta: 1.8 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -749.8 MB). Peak memory consumption was 1.1 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/threadpooling_product_WithProcedures.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_11-14-02-381.csv Completed graceful shutdown