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_WithoutIf.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:36:14,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:36:14,827 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:36:14,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:36:14,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:36:14,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:36:14,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:36:14,851 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:36:14,853 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:36:14,855 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:36:14,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:36:14,857 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:36:14,859 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:36:14,860 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:36:14,861 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:36:14,865 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:36:14,867 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:36:14,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:36:14,878 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:36:14,882 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:36:14,884 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:36:14,885 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:36:14,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:36:14,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:36:14,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:36:14,890 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:36:14,891 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:36:14,891 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:36:14,892 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:36:14,893 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:36:14,893 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:36:14,896 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:36:14,896 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:36:14,897 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:36:14,898 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:36:14,899 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:36:14,899 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 [2018-09-30 21:36:14,918 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:36:14,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:36:14,919 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:36:14,920 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:36:14,920 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:36:14,920 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:36:14,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:36:14,921 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:36:14,921 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:36:14,921 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:36:14,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:36:14,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:36:14,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:36:14,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:36:14,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:36:14,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:36:14,923 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:36:14,923 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:36:14,923 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:36:14,923 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:36:14,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:36:14,924 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:36:14,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:36:14,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:36:14,924 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:36:14,925 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:36:14,925 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:36:14,925 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:36:14,925 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:36:14,925 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:36:14,979 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:36:14,994 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:36:14,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:36:15,001 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:36:15,002 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:36:15,003 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl [2018-09-30 21:36:15,003 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithoutIf.bpl' [2018-09-30 21:36:15,073 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:36:15,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:36:15,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:36:15,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:36:15,078 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:36:15,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,118 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:36:15,118 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:36:15,118 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:36:15,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:36:15,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:36:15,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:36:15,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:36:15,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:36:15,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:36:15,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:36:15,149 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:36:15,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:36:15,232 INFO L124 BoogieDeclarations]: Specification and implementation of procedure product given in one single declaration [2018-09-30 21:36:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure product [2018-09-30 21:36:15,232 INFO L138 BoogieDeclarations]: Found implementation of procedure product [2018-09-30 21:36:15,641 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:36:15,643 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:36:15 BoogieIcfgContainer [2018-09-30 21:36:15,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:36:15,644 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:36:15,644 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:36:15,675 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:36:15,676 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:36:15" (1/1) ... [2018-09-30 21:36:15,705 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:36:15,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-30 21:36:15,753 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-30 21:36:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:15,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2018-09-30 21:36:16,640 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2018-09-30 21:36:16,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:16,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:16,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:17,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-09-30 21:36:17,769 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-09-30 21:36:17,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:36:17,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:17,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:18,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:18,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2018-09-30 21:36:18,137 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2018-09-30 21:36:18,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:36:18,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:18,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 29 states and 66 transitions. [2018-09-30 21:36:19,424 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 66 transitions. [2018-09-30 21:36:19,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:36:19,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:19,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:20,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 31 states and 76 transitions. [2018-09-30 21:36:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 76 transitions. [2018-09-30 21:36:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:36:20,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 32 states and 84 transitions. [2018-09-30 21:36:21,970 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 84 transitions. [2018-09-30 21:36:21,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:36:21,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:22,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:22,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 33 states and 92 transitions. [2018-09-30 21:36:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 92 transitions. [2018-09-30 21:36:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:22,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:22,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:25,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 37 states and 112 transitions. [2018-09-30 21:36:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 112 transitions. [2018-09-30 21:36:25,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:25,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 38 states and 117 transitions. [2018-09-30 21:36:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 117 transitions. [2018-09-30 21:36:26,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:26,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:29,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 45 states and 148 transitions. [2018-09-30 21:36:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 148 transitions. [2018-09-30 21:36:29,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:29,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:29,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 49 states and 175 transitions. [2018-09-30 21:36:31,516 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 175 transitions. [2018-09-30 21:36:31,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:31,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:31,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:33,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 53 states and 192 transitions. [2018-09-30 21:36:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 192 transitions. [2018-09-30 21:36:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:33,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:33,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:33,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 54 states and 199 transitions. [2018-09-30 21:36:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 199 transitions. [2018-09-30 21:36:33,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:33,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:34,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 56 states and 203 transitions. [2018-09-30 21:36:34,035 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 203 transitions. [2018-09-30 21:36:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:34,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 59 states and 221 transitions. [2018-09-30 21:36:35,776 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 221 transitions. [2018-09-30 21:36:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:35,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 62 states and 234 transitions. [2018-09-30 21:36:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 234 transitions. [2018-09-30 21:36:38,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:38,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:38,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:39,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 63 states and 239 transitions. [2018-09-30 21:36:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 239 transitions. [2018-09-30 21:36:39,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:39,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:39,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 67 states and 259 transitions. [2018-09-30 21:36:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 259 transitions. [2018-09-30 21:36:41,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:41,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 72 states and 297 transitions. [2018-09-30 21:36:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 297 transitions. [2018-09-30 21:36:46,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:46,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 75 states and 321 transitions. [2018-09-30 21:36:48,452 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 321 transitions. [2018-09-30 21:36:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:48,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 78 states and 345 transitions. [2018-09-30 21:36:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 345 transitions. [2018-09-30 21:36:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:51,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 82 states and 379 transitions. [2018-09-30 21:36:55,224 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 379 transitions. [2018-09-30 21:36:55,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:55,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 85 states and 393 transitions. [2018-09-30 21:36:57,743 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 393 transitions. [2018-09-30 21:36:57,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:57,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 87 states and 411 transitions. [2018-09-30 21:36:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 411 transitions. [2018-09-30 21:36:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:36:59,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 89 states and 416 transitions. [2018-09-30 21:37:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 416 transitions. [2018-09-30 21:37:01,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:37:01,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 91 states and 422 transitions. [2018-09-30 21:37:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 422 transitions. [2018-09-30 21:37:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:37:03,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 94 states and 457 transitions. [2018-09-30 21:37:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 457 transitions. [2018-09-30 21:37:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:37:05,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 95 states and 463 transitions. [2018-09-30 21:37:07,428 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 463 transitions. [2018-09-30 21:37:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:37:07,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 97 states and 467 transitions. [2018-09-30 21:37:09,085 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 467 transitions. [2018-09-30 21:37:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:37:09,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 98 states and 474 transitions. [2018-09-30 21:37:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 474 transitions. [2018-09-30 21:37:10,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:37:10,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 100 states and 482 transitions. [2018-09-30 21:37:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 482 transitions. [2018-09-30 21:37:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:12,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 105 states and 516 transitions. [2018-09-30 21:37:18,057 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 516 transitions. [2018-09-30 21:37:18,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:18,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 106 states and 520 transitions. [2018-09-30 21:37:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 520 transitions. [2018-09-30 21:37:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:19,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 107 states and 534 transitions. [2018-09-30 21:37:20,575 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 534 transitions. [2018-09-30 21:37:20,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:20,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 112 states and 571 transitions. [2018-09-30 21:37:25,851 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 571 transitions. [2018-09-30 21:37:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:25,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 116 states and 597 transitions. [2018-09-30 21:37:31,796 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 597 transitions. [2018-09-30 21:37:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:31,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 119 states and 618 transitions. [2018-09-30 21:37:36,498 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 618 transitions. [2018-09-30 21:37:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:36,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 120 states and 623 transitions. [2018-09-30 21:37:38,170 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 623 transitions. [2018-09-30 21:37:38,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:38,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 121 states and 630 transitions. [2018-09-30 21:37:39,510 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 630 transitions. [2018-09-30 21:37:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:39,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 123 states and 654 transitions. [2018-09-30 21:37:42,045 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 654 transitions. [2018-09-30 21:37:42,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:42,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 126 states and 674 transitions. [2018-09-30 21:37:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 674 transitions. [2018-09-30 21:37:45,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:45,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 129 states and 700 transitions. [2018-09-30 21:37:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 700 transitions. [2018-09-30 21:37:50,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:50,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 131 states and 709 transitions. [2018-09-30 21:37:53,705 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 709 transitions. [2018-09-30 21:37:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:53,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 133 states and 728 transitions. [2018-09-30 21:37:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 728 transitions. [2018-09-30 21:37:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:56,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 134 states and 735 transitions. [2018-09-30 21:37:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 735 transitions. [2018-09-30 21:37:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:37:57,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 136 states and 743 transitions. [2018-09-30 21:38:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 743 transitions. [2018-09-30 21:38:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:38:00,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 139 states and 761 transitions. [2018-09-30 21:38:04,927 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 761 transitions. [2018-09-30 21:38:04,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:04,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 139 states and 760 transitions. [2018-09-30 21:38:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 760 transitions. [2018-09-30 21:38:08,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:08,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 140 states and 747 transitions. [2018-09-30 21:38:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 747 transitions. [2018-09-30 21:38:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:12,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 145 states and 789 transitions. [2018-09-30 21:38:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 789 transitions. [2018-09-30 21:38:18,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:18,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 148 states and 813 transitions. [2018-09-30 21:38:23,711 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 813 transitions. [2018-09-30 21:38:23,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:23,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:31,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 151 states and 847 transitions. [2018-09-30 21:38:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 847 transitions. [2018-09-30 21:38:31,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:31,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 152 states and 858 transitions. [2018-09-30 21:38:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 858 transitions. [2018-09-30 21:38:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:33,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 153 states and 868 transitions. [2018-09-30 21:38:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 868 transitions. [2018-09-30 21:38:35,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:35,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 156 states and 896 transitions. [2018-09-30 21:38:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 896 transitions. [2018-09-30 21:38:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:38,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 158 states and 902 transitions. [2018-09-30 21:38:43,734 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 902 transitions. [2018-09-30 21:38:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:43,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 160 states and 905 transitions. [2018-09-30 21:38:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 905 transitions. [2018-09-30 21:38:47,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:47,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 160 states and 904 transitions. [2018-09-30 21:38:52,118 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 904 transitions. [2018-09-30 21:38:52,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:52,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:59,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:59,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 165 states and 948 transitions. [2018-09-30 21:38:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 948 transitions. [2018-09-30 21:38:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:38:59,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 170 states and 986 transitions. [2018-09-30 21:39:06,272 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 986 transitions. [2018-09-30 21:39:06,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:39:06,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 177 states and 1044 transitions. [2018-09-30 21:39:20,182 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 1044 transitions. [2018-09-30 21:39:20,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:39:20,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 178 states and 1074 transitions. [2018-09-30 21:39:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 1074 transitions. [2018-09-30 21:39:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:39:27,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 181 states and 1108 transitions. [2018-09-30 21:39:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1108 transitions. [2018-09-30 21:39:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:39:32,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 181 states and 1107 transitions. [2018-09-30 21:39:37,167 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1107 transitions. [2018-09-30 21:39:37,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:39:37,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:40,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:40,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 181 states and 1100 transitions. [2018-09-30 21:39:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 1100 transitions. [2018-09-30 21:39:40,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:39:40,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 183 states and 1104 transitions. [2018-09-30 21:39:47,848 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 1104 transitions. [2018-09-30 21:39:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:39:47,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 186 states and 1143 transitions. [2018-09-30 21:39:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 1143 transitions. [2018-09-30 21:39:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:39:53,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 188 states and 1164 transitions. [2018-09-30 21:39:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 1164 transitions. [2018-09-30 21:39:57,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:39:57,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:00,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 189 states and 1183 transitions. [2018-09-30 21:40:00,561 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 1183 transitions. [2018-09-30 21:40:00,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:40:00,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:00,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:03,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 190 states and 1205 transitions. [2018-09-30 21:40:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 1205 transitions. [2018-09-30 21:40:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:40:03,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:05,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:05,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 191 states and 1210 transitions. [2018-09-30 21:40:05,798 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 1210 transitions. [2018-09-30 21:40:05,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:40:05,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:40:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 192 states and 1221 transitions. [2018-09-30 21:40:08,051 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 1221 transitions. [2018-09-30 21:40:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:40:08,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 193 states and 1247 transitions. [2018-09-30 21:40:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 1247 transitions. [2018-09-30 21:40:11,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:40:11,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 194 states and 1252 transitions. [2018-09-30 21:40:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 1252 transitions. [2018-09-30 21:40:13,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:40:13,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:40:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 195 states and 1263 transitions. [2018-09-30 21:40:16,328 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1263 transitions. [2018-09-30 21:40:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:40:16,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:40:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 195 states and 1261 transitions. [2018-09-30 21:40:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 1261 transitions. [2018-09-30 21:40:20,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:40:20,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-30 21:40:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 196 states and 1278 transitions. [2018-09-30 21:40:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 1278 transitions. [2018-09-30 21:40:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:40:22,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:25,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 197 states and 1286 transitions. [2018-09-30 21:40:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 1286 transitions. [2018-09-30 21:40:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:40:25,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:40:40,018 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithoutIf.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.09 09:40:40 ImpRootNode [2018-09-30 21:40:40,018 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-30 21:40:40,019 INFO L168 Benchmark]: Toolchain (without parser) took 264945.57 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -127.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 374.3 MB). Peak memory consumption was 246.4 MB. Max. memory is 7.1 GB. [2018-09-30 21:40:40,021 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:40:40,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:40:40,022 INFO L168 Benchmark]: Boogie Preprocessor took 25.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:40:40,023 INFO L168 Benchmark]: RCFGBuilder took 494.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:40:40,023 INFO L168 Benchmark]: CodeCheck took 264374.27 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -127.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 353.2 MB). Peak memory consumption was 225.2 MB. Max. memory is 7.1 GB. [2018-09-30 21:40:40,027 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 37]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 37) - TimeoutResultAtElement [Line: 69]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 69) - TimeoutResultAtElement [Line: 78]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 78) - TimeoutResultAtElement [Line: 58]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 58) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 19 locations, 4 error locations. UNKNOWN Result, 264.2s OverallTime, 79 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -648442816 SDslu, 0 SDs, 0 SdLazy, 657457566 SolverSat, -911874514 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 271.1s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 18.2s InterpolantComputationTime, 726 NumberOfCodeBlocks, 726 NumberOfCodeBlocksAsserted, 79 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 31952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 79 InterpolantComputations, 10 PerfectInterpolantSequences, 41/188 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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 43.95 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 25.36 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 494.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 264374.27 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -127.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 353.2 MB). Peak memory consumption was 225.2 MB. 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_WithoutIf.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-30_21-40-40-040.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/threadpooling_product_WithoutIf.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-40-40-040.csv Completed graceful shutdown