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-bd42740 [2018-09-23 21:50:57,922 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 21:50:57,924 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 21:50:57,937 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 21:50:57,938 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 21:50:57,939 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 21:50:57,940 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 21:50:57,942 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 21:50:57,944 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 21:50:57,945 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 21:50:57,946 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 21:50:57,946 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 21:50:57,947 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 21:50:57,948 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 21:50:57,949 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 21:50:57,950 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 21:50:57,951 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 21:50:57,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 21:50:57,954 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 21:50:57,956 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 21:50:57,957 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 21:50:57,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 21:50:57,961 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 21:50:57,961 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 21:50:57,961 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 21:50:57,962 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 21:50:57,963 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 21:50:57,964 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 21:50:57,965 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 21:50:57,966 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 21:50:57,966 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 21:50:57,967 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 21:50:57,967 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 21:50:57,967 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 21:50:57,968 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 21:50:57,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 21:50:57,969 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 [2018-09-23 21:50:57,991 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 21:50:57,991 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 21:50:57,992 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 21:50:57,992 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 21:50:57,997 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 21:50:57,997 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 21:50:57,997 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 21:50:57,997 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 21:50:57,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 21:50:57,998 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 21:50:57,998 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 21:50:57,998 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 21:50:57,998 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 21:50:57,998 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 21:50:57,999 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 21:50:57,999 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 21:50:57,999 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 21:50:57,999 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 21:50:57,999 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 21:50:58,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 21:50:58,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 21:50:58,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:50:58,000 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 21:50:58,002 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 21:50:58,002 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 21:50:58,002 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 21:50:58,002 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 21:50:58,003 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 21:50:58,003 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 21:50:58,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 21:50:58,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 21:50:58,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 21:50:58,096 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 21:50:58,097 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 21:50:58,098 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-09-23 21:50:58,098 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-09-23 21:50:58,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 21:50:58,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 21:50:58,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 21:50:58,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 21:50:58,185 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 21:50:58,208 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 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,223 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 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 21:50:58,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 21:50:58,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 21:50:58,235 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 21:50:58,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 21:50:58,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 21:50:58,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 21:50:58,265 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 21:50:58,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:50:58" (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 [2018-09-23 21:50:58,351 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-09-23 21:50:58,351 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-09-23 21:50:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-09-23 21:50:58,352 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-09-23 21:50:58,352 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-09-23 21:50:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-09-23 21:50:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 21:50:58,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 21:50:58,353 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-09-23 21:50:58,354 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-09-23 21:50:58,873 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 21:50:58,874 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:50:58 BoogieIcfgContainer [2018-09-23 21:50:58,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 21:50:58,875 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 21:50:58,875 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 21:50:58,884 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 21:50:58,885 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:50:58" (1/1) ... [2018-09-23 21:50:58,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 21:50:58,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:50:58,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-09-23 21:50:58,941 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-09-23 21:50:58,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:50:58,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:50:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:50:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:50:59,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:50:59,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-23 21:50:59,567 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-23 21:50:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:50:59,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:50:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:50:59,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:00,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:00,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-09-23 21:51:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-09-23 21:51:00,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:00,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:01,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:01,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-09-23 21:51:01,717 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-09-23 21:51:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:01,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-09-23 21:51:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-09-23 21:51:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:01,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:51:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-09-23 21:51:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-09-23 21:51:02,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:02,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 64 states and 129 transitions. [2018-09-23 21:51:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 129 transitions. [2018-09-23 21:51:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:02,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:02,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:03,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:03,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-09-23 21:51:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-09-23 21:51:03,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:03,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:03,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 67 states and 140 transitions. [2018-09-23 21:51:03,502 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 140 transitions. [2018-09-23 21:51:03,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:03,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:03,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-09-23 21:51:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-09-23 21:51:03,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:03,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:51:03,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-09-23 21:51:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-09-23 21:51:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:03,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:04,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 75 states and 161 transitions. [2018-09-23 21:51:04,421 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 161 transitions. [2018-09-23 21:51:04,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:04,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:04,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:04,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:04,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 76 states and 161 transitions. [2018-09-23 21:51:04,546 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 161 transitions. [2018-09-23 21:51:04,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-23 21:51:04,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 83 states and 184 transitions. [2018-09-23 21:51:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 184 transitions. [2018-09-23 21:51:06,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-23 21:51:06,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:06,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 90 states and 208 transitions. [2018-09-23 21:51:08,520 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 208 transitions. [2018-09-23 21:51:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:51:08,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:09,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:10,087 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-09-23 21:51:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:11,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 96 states and 229 transitions. [2018-09-23 21:51:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 229 transitions. [2018-09-23 21:51:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:51:11,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 100 states and 253 transitions. [2018-09-23 21:51:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 253 transitions. [2018-09-23 21:51:13,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:51:13,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:13,519 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:14,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:14,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 103 states and 265 transitions. [2018-09-23 21:51:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 265 transitions. [2018-09-23 21:51:14,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:51:14,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:15,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 105 states and 273 transitions. [2018-09-23 21:51:15,964 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 273 transitions. [2018-09-23 21:51:15,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:51:15,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 107 states and 278 transitions. [2018-09-23 21:51:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 278 transitions. [2018-09-23 21:51:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:51:16,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-23 21:51:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 108 states and 278 transitions. [2018-09-23 21:51:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 278 transitions. [2018-09-23 21:51:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:51:17,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 112 states and 291 transitions. [2018-09-23 21:51:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 291 transitions. [2018-09-23 21:51:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:18,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:20,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 119 states and 316 transitions. [2018-09-23 21:51:20,335 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 316 transitions. [2018-09-23 21:51:20,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:20,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:20,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 120 states and 318 transitions. [2018-09-23 21:51:20,792 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 318 transitions. [2018-09-23 21:51:20,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:20,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:22,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 125 states and 334 transitions. [2018-09-23 21:51:22,705 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 334 transitions. [2018-09-23 21:51:22,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:22,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:24,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 133 states and 354 transitions. [2018-09-23 21:51:24,813 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 354 transitions. [2018-09-23 21:51:24,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:24,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:26,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:26,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 140 states and 376 transitions. [2018-09-23 21:51:26,392 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 376 transitions. [2018-09-23 21:51:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:26,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:26,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 141 states and 376 transitions. [2018-09-23 21:51:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 376 transitions. [2018-09-23 21:51:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:26,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:26,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 144 states and 380 transitions. [2018-09-23 21:51:26,818 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 380 transitions. [2018-09-23 21:51:26,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:26,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 150 states and 395 transitions. [2018-09-23 21:51:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 395 transitions. [2018-09-23 21:51:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:28,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 151 states and 395 transitions. [2018-09-23 21:51:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 395 transitions. [2018-09-23 21:51:28,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:28,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:28,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:51:28,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:28,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 152 states and 398 transitions. [2018-09-23 21:51:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 398 transitions. [2018-09-23 21:51:28,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:28,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:29,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:31,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 158 states and 416 transitions. [2018-09-23 21:51:31,079 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 416 transitions. [2018-09-23 21:51:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:31,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:31,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 159 states and 417 transitions. [2018-09-23 21:51:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 417 transitions. [2018-09-23 21:51:31,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:31,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:31,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 164 states and 432 transitions. [2018-09-23 21:51:33,521 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 432 transitions. [2018-09-23 21:51:33,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:33,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-23 21:51:33,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 166 states and 435 transitions. [2018-09-23 21:51:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 435 transitions. [2018-09-23 21:51:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:33,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 169 states and 446 transitions. [2018-09-23 21:51:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 446 transitions. [2018-09-23 21:51:35,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:35,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 173 states and 465 transitions. [2018-09-23 21:51:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 465 transitions. [2018-09-23 21:51:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:37,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 177 states and 473 transitions. [2018-09-23 21:51:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 473 transitions. [2018-09-23 21:51:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:51:39,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 179 states and 481 transitions. [2018-09-23 21:51:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 481 transitions. [2018-09-23 21:51:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 21:51:40,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:41,051 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-23 21:51:43,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 182 states and 490 transitions. [2018-09-23 21:51:43,163 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 490 transitions. [2018-09-23 21:51:43,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 21:51:43,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:43,385 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-23 21:51:43,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:43,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 182 states and 489 transitions. [2018-09-23 21:51:43,970 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 489 transitions. [2018-09-23 21:51:43,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 21:51:43,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-23 21:51:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 182 states and 488 transitions. [2018-09-23 21:51:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 488 transitions. [2018-09-23 21:51:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:51:44,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 184 states and 496 transitions. [2018-09-23 21:51:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 496 transitions. [2018-09-23 21:51:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 21:51:45,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-23 21:51:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 187 states and 505 transitions. [2018-09-23 21:51:48,109 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 505 transitions. [2018-09-23 21:51:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:51:48,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:52,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 191 states and 527 transitions. [2018-09-23 21:51:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 527 transitions. [2018-09-23 21:51:52,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:51:52,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 197 states and 556 transitions. [2018-09-23 21:51:57,487 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 556 transitions. [2018-09-23 21:51:57,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:51:57,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:57,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:00,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 200 states and 570 transitions. [2018-09-23 21:52:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 570 transitions. [2018-09-23 21:52:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:00,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 203 states and 577 transitions. [2018-09-23 21:52:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 577 transitions. [2018-09-23 21:52:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:02,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:03,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:04,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 208 states and 592 transitions. [2018-09-23 21:52:04,283 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 592 transitions. [2018-09-23 21:52:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:04,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:04,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:06,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 214 states and 612 transitions. [2018-09-23 21:52:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 612 transitions. [2018-09-23 21:52:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:06,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:06,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:12,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:12,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 218 states and 634 transitions. [2018-09-23 21:52:12,280 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 634 transitions. [2018-09-23 21:52:12,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:12,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 222 states and 652 transitions. [2018-09-23 21:52:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 652 transitions. [2018-09-23 21:52:16,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:16,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:17,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:21,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 226 states and 670 transitions. [2018-09-23 21:52:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 670 transitions. [2018-09-23 21:52:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:21,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:23,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 227 states and 673 transitions. [2018-09-23 21:52:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 673 transitions. [2018-09-23 21:52:23,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:23,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:24,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 228 states and 675 transitions. [2018-09-23 21:52:24,612 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 675 transitions. [2018-09-23 21:52:24,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:24,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:25,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 230 states and 679 transitions. [2018-09-23 21:52:27,001 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 679 transitions. [2018-09-23 21:52:27,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:27,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:27,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 232 states and 688 transitions. [2018-09-23 21:52:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 688 transitions. [2018-09-23 21:52:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:52:28,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 233 states and 692 transitions. [2018-09-23 21:52:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 692 transitions. [2018-09-23 21:52:29,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:52:29,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-23 21:52:30,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:30,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 234 states and 692 transitions. [2018-09-23 21:52:30,286 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 692 transitions. [2018-09-23 21:52:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:52:30,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:32,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 238 states and 711 transitions. [2018-09-23 21:52:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 711 transitions. [2018-09-23 21:52:32,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:52:32,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:36,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 242 states and 730 transitions. [2018-09-23 21:52:36,472 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 730 transitions. [2018-09-23 21:52:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:52:36,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:37,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 245 states and 743 transitions. [2018-09-23 21:52:37,996 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 743 transitions. [2018-09-23 21:52:37,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:52:37,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:41,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:41,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 246 states and 747 transitions. [2018-09-23 21:52:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 747 transitions. [2018-09-23 21:52:41,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:52:41,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:50,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 255 states and 792 transitions. [2018-09-23 21:52:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 792 transitions. [2018-09-23 21:52:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:52:50,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:50,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 256 states and 798 transitions. [2018-09-23 21:52:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 798 transitions. [2018-09-23 21:52:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:52:50,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:51,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 262 states and 825 transitions. [2018-09-23 21:52:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 825 transitions. [2018-09-23 21:52:57,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:52:57,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:08,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 274 states and 881 transitions. [2018-09-23 21:53:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 881 transitions. [2018-09-23 21:53:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:08,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:10,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 275 states and 887 transitions. [2018-09-23 21:53:10,059 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 887 transitions. [2018-09-23 21:53:10,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:10,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 279 states and 916 transitions. [2018-09-23 21:53:12,961 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 916 transitions. [2018-09-23 21:53:12,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:12,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:13,047 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 282 states and 933 transitions. [2018-09-23 21:53:14,070 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 933 transitions. [2018-09-23 21:53:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:14,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:14,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:14,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 284 states and 943 transitions. [2018-09-23 21:53:14,225 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 943 transitions. [2018-09-23 21:53:14,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:14,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:17,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 287 states and 954 transitions. [2018-09-23 21:53:17,174 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 954 transitions. [2018-09-23 21:53:17,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:17,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:17,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:17,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 288 states and 955 transitions. [2018-09-23 21:53:17,316 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 955 transitions. [2018-09-23 21:53:17,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:17,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:24,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 295 states and 992 transitions. [2018-09-23 21:53:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 992 transitions. [2018-09-23 21:53:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:24,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-23 21:53:25,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:25,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 296 states and 992 transitions. [2018-09-23 21:53:25,585 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 992 transitions. [2018-09-23 21:53:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:25,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:30,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 303 states and 1021 transitions. [2018-09-23 21:53:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1021 transitions. [2018-09-23 21:53:30,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:30,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:30,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:39,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 309 states and 1040 transitions. [2018-09-23 21:53:39,113 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1040 transitions. [2018-09-23 21:53:39,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:39,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 310 states and 1042 transitions. [2018-09-23 21:53:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1042 transitions. [2018-09-23 21:53:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:40,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 312 states and 1045 transitions. [2018-09-23 21:53:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1045 transitions. [2018-09-23 21:53:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:42,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:44,088 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:55,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 321 states and 1090 transitions. [2018-09-23 21:53:55,311 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1090 transitions. [2018-09-23 21:53:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:55,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:57,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 321 states and 1088 transitions. [2018-09-23 21:53:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1088 transitions. [2018-09-23 21:53:57,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:53:57,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 327 states and 1119 transitions. [2018-09-23 21:54:04,475 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 1119 transitions. [2018-09-23 21:54:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:04,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:04,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 331 states and 1127 transitions. [2018-09-23 21:54:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1127 transitions. [2018-09-23 21:54:10,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:10,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:13,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 334 states and 1146 transitions. [2018-09-23 21:54:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1146 transitions. [2018-09-23 21:54:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:13,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:25,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:25,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 343 states and 1187 transitions. [2018-09-23 21:54:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 1187 transitions. [2018-09-23 21:54:25,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:25,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 344 states and 1195 transitions. [2018-09-23 21:54:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1195 transitions. [2018-09-23 21:54:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:27,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:27,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:29,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 348 states and 1209 transitions. [2018-09-23 21:54:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1209 transitions. [2018-09-23 21:54:29,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:29,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:29,629 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:32,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:32,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 350 states and 1223 transitions. [2018-09-23 21:54:32,254 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1223 transitions. [2018-09-23 21:54:32,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:32,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:32,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 355 states and 1257 transitions. [2018-09-23 21:54:38,284 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1257 transitions. [2018-09-23 21:54:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:38,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:40,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 357 states and 1277 transitions. [2018-09-23 21:54:40,862 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1277 transitions. [2018-09-23 21:54:40,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:40,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:42,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:42,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 358 states and 1281 transitions. [2018-09-23 21:54:42,204 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1281 transitions. [2018-09-23 21:54:42,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:42,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:42,233 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:44,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 360 states and 1285 transitions. [2018-09-23 21:54:44,749 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1285 transitions. [2018-09-23 21:54:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:44,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 361 states and 1287 transitions. [2018-09-23 21:54:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 1287 transitions. [2018-09-23 21:54:46,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:46,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:47,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 362 states and 1291 transitions. [2018-09-23 21:54:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1291 transitions. [2018-09-23 21:54:47,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:47,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:52,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 366 states and 1317 transitions. [2018-09-23 21:54:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 1317 transitions. [2018-09-23 21:54:52,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:52,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:53,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 366 states and 1314 transitions. [2018-09-23 21:54:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 1314 transitions. [2018-09-23 21:54:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:53,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 368 states and 1323 transitions. [2018-09-23 21:54:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 1323 transitions. [2018-09-23 21:54:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:54:56,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:56,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:58,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:58,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 369 states and 1329 transitions. [2018-09-23 21:54:58,754 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1329 transitions. [2018-09-23 21:54:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 21:54:58,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. Received shutdown request... [2018-09-23 21:55:09,101 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 21:55:09,104 INFO L168 Benchmark]: Toolchain (without parser) took 250922.71 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 1.6 GB in the end (delta: -114.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-09-23 21:55:09,105 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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. [2018-09-23 21:55:09,105 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.49 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. [2018-09-23 21:55:09,105 INFO L168 Benchmark]: Boogie Preprocessor took 29.37 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. [2018-09-23 21:55:09,106 INFO L168 Benchmark]: RCFGBuilder took 610.04 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. [2018-09-23 21:55:09,107 INFO L168 Benchmark]: CodeCheck took 250228.18 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 1.6 GB in the end (delta: -135.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2018-09-23 21:55:09,111 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 1234 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 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 49.49 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 29.37 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 610.04 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 250228.18 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 1.6 GB in the end (delta: -135.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product_WithProcedures.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_21-55-09-122.csv Completed graceful shutdown