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_PUPT.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:43:05,836 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:43:05,839 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:43:05,852 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:43:05,853 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:43:05,854 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:43:05,855 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:43:05,857 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:43:05,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:43:05,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:43:05,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:43:05,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:43:05,861 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:43:05,862 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:43:05,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:43:05,864 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:43:05,865 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:43:05,867 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:43:05,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:43:05,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:43:05,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:43:05,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:43:05,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:43:05,876 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:43:05,877 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:43:05,878 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:43:05,879 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:43:05,883 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:43:05,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:43:05,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:43:05,888 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:43:05,889 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:43:05,889 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:43:05,889 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:43:05,890 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:43:05,891 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:43:05,891 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-26 22:43:05,924 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:43:05,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:43:05,928 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:43:05,928 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:43:05,930 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:43:05,931 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:43:05,931 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:43:05,931 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:43:05,931 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:43:05,932 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:43:05,932 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:43:05,932 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:43:05,932 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:43:05,932 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:43:05,932 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:43:05,933 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:43:05,933 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:43:05,933 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:43:05,933 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:43:05,933 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:43:05,934 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:43:05,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:43:05,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:43:05,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:43:05,934 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:43:05,935 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:43:05,935 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:43:05,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:43:05,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:43:05,935 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:43:05,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:43:06,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:43:06,007 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:43:06,009 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:43:06,009 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:43:06,010 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-09-26 22:43:06,010 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-09-26 22:43:06,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:43:06,098 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:43:06,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:43:06,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:43:06,100 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:43:06,122 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 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,137 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 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:43:06,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:43:06,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:43:06,149 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:43:06,160 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:43:06,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:43:06,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:43:06,193 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:43:06,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:06" (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 [2018-09-26 22:43:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-09-26 22:43:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-09-26 22:43:06,295 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-09-26 22:43:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-09-26 22:43:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-09-26 22:43:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-09-26 22:43:06,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:43:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:43:06,297 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-09-26 22:43:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-09-26 22:43:06,855 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:43:06,856 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:43:06 BoogieIcfgContainer [2018-09-26 22:43:06,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:43:06,857 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:43:06,857 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:43:06,867 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:43:06,867 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:43:06" (1/1) ... [2018-09-26 22:43:06,882 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:43:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-09-26 22:43:06,926 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-09-26 22:43:06,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:43:06,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:08,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:08,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-26 22:43:08,267 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-26 22:43:08,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:43:08,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:11,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-09-26 22:43:11,019 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-09-26 22:43:11,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:11,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:11,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-09-26 22:43:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-09-26 22:43:14,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:14,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:15,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-09-26 22:43:15,061 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-09-26 22:43:15,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:15,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:15,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 22:43:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-09-26 22:43:15,555 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-09-26 22:43:15,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:15,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:17,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 64 states and 129 transitions. [2018-09-26 22:43:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 129 transitions. [2018-09-26 22:43:17,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:17,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:17,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:18,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:18,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-09-26 22:43:18,627 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-09-26 22:43:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:18,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 67 states and 140 transitions. [2018-09-26 22:43:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 140 transitions. [2018-09-26 22:43:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:19,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:21,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-09-26 22:43:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-09-26 22:43:21,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:21,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:21,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 22:43:22,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:22,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-09-26 22:43:22,266 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-09-26 22:43:22,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:22,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:22,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:22,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:22,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 72 states and 149 transitions. [2018-09-26 22:43:22,666 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 149 transitions. [2018-09-26 22:43:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:22,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:22,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:24,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:24,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2018-09-26 22:43:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2018-09-26 22:43:24,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:43:24,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 182 transitions. [2018-09-26 22:43:29,901 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2018-09-26 22:43:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:43:29,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:30,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 90 states and 206 transitions. [2018-09-26 22:43:35,454 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 206 transitions. [2018-09-26 22:43:35,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:43:35,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:36,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:44,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 96 states and 227 transitions. [2018-09-26 22:43:44,244 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 227 transitions. [2018-09-26 22:43:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:43:44,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:47,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 97 states and 231 transitions. [2018-09-26 22:43:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 231 transitions. [2018-09-26 22:43:47,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:43:47,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:56,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 100 states and 243 transitions. [2018-09-26 22:43:56,332 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 243 transitions. [2018-09-26 22:43:56,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:43:56,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 102 states and 249 transitions. [2018-09-26 22:43:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 249 transitions. [2018-09-26 22:43:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:43:59,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 104 states and 255 transitions. [2018-09-26 22:44:02,883 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 255 transitions. [2018-09-26 22:44:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:44:02,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:02,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:09,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 108 states and 269 transitions. [2018-09-26 22:44:09,085 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 269 transitions. [2018-09-26 22:44:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:44:09,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:10,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:25,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:25,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 115 states and 293 transitions. [2018-09-26 22:44:25,685 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 293 transitions. [2018-09-26 22:44:25,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:44:25,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:26,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:29,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:29,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 295 transitions. [2018-09-26 22:44:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 295 transitions. [2018-09-26 22:44:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:44:29,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:29,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:42,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:42,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 121 states and 310 transitions. [2018-09-26 22:44:42,120 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 310 transitions. [2018-09-26 22:44:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:44:42,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:44,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:02,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 129 states and 330 transitions. [2018-09-26 22:45:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 330 transitions. [2018-09-26 22:45:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:45:03,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:24,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:24,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 136 states and 352 transitions. [2018-09-26 22:45:24,272 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 352 transitions. [2018-09-26 22:45:24,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:45:24,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:24,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:26,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:26,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 137 states and 352 transitions. [2018-09-26 22:45:26,944 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 352 transitions. [2018-09-26 22:45:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:45:26,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 143 states and 369 transitions. [2018-09-26 22:45:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 369 transitions. [2018-09-26 22:45:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:45:37,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:44,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 146 states and 374 transitions. [2018-09-26 22:45:44,622 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 374 transitions. [2018-09-26 22:45:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:45:44,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 147 states and 375 transitions. [2018-09-26 22:45:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 375 transitions. [2018-09-26 22:45:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:45:46,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 22:45:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:48,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 148 states and 378 transitions. [2018-09-26 22:45:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 378 transitions. [2018-09-26 22:45:48,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:45:48,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:08,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 154 states and 396 transitions. [2018-09-26 22:46:08,776 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 396 transitions. [2018-09-26 22:46:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:46:08,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:28,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 159 states and 413 transitions. [2018-09-26 22:46:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 413 transitions. [2018-09-26 22:46:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:46:28,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:34,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 160 states and 414 transitions. [2018-09-26 22:46:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 414 transitions. [2018-09-26 22:46:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:46:34,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-26 22:46:43,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 162 states and 417 transitions. [2018-09-26 22:46:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 417 transitions. [2018-09-26 22:46:43,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:46:43,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:18,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 169 states and 429 transitions. [2018-09-26 22:47:18,352 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 429 transitions. [2018-09-26 22:47:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:47:18,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 172 states and 439 transitions. [2018-09-26 22:47:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 439 transitions. [2018-09-26 22:47:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:47:37,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:39,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown