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/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:45:27,844 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:45:27,846 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:45:27,858 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:45:27,858 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:45:27,860 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:45:27,861 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:45:27,863 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:45:27,864 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:45:27,865 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:45:27,866 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:45:27,866 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:45:27,867 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:45:27,868 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:45:27,869 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:45:27,870 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:45:27,871 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:45:27,873 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:45:27,875 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:45:27,876 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:45:27,878 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:45:27,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:45:27,882 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:45:27,882 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:45:27,882 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:45:27,883 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:45:27,884 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:45:27,885 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:45:27,886 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:45:27,887 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:45:27,887 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:45:27,888 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:45:27,888 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:45:27,889 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:45:27,890 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:45:27,890 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:45:27,891 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 [2018-09-30 11:45:27,906 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:45:27,906 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:45:27,907 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:45:27,907 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:45:27,908 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:45:27,908 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:45:27,908 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:45:27,908 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:45:27,909 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:45:27,909 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:45:27,909 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:45:27,909 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:45:27,909 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:45:27,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:45:27,910 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:45:27,910 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:45:27,910 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:45:27,910 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:45:27,911 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:45:27,911 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 11:45:27,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:45:27,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:45:27,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:45:27,912 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:45:27,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:45:27,912 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:45:27,912 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:45:27,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:45:27,913 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:45:27,913 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:45:27,954 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:45:27,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:45:27,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:45:27,971 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:45:27,971 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:45:27,972 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-30 11:45:27,973 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-09-30 11:45:28,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:45:28,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:45:28,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:45:28,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:45:28,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:45:28,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:45:28,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:45:28,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:45:28,066 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:45:28,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:45:28,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:45:28,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:45:28,088 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:45:28,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:45:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:45:28,161 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 11:45:28,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 11:45:28,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 11:45:28,492 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 11:45:28,492 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:45:28 BoogieIcfgContainer [2018-09-30 11:45:28,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:45:28,493 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:45:28,493 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:45:28,505 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:45:28,506 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:45:28" (1/1) ... [2018-09-30 11:45:28,520 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 11:45:28,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 11:45:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 11:45:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:45:28,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-30 11:45:29,185 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-30 11:45:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:45:29,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:30,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:30,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2018-09-30 11:45:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2018-09-30 11:45:30,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:45:30,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:30,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2018-09-30 11:45:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2018-09-30 11:45:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:45:31,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:32,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-09-30 11:45:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-09-30 11:45:32,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:45:32,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:32,153 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-09-30 11:45:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-09-30 11:45:33,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:45:33,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-30 11:45:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-30 11:45:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:45:34,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:34,797 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:35,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:35,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-09-30 11:45:35,317 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-09-30 11:45:35,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:45:35,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-09-30 11:45:36,585 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-09-30 11:45:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:45:36,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:37,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-09-30 11:45:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-09-30 11:45:37,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:45:37,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:37,525 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:38,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-09-30 11:45:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-09-30 11:45:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:45:38,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-09-30 11:45:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-09-30 11:45:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:45:40,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:41,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:41,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-09-30 11:45:41,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-09-30 11:45:41,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:45:41,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:43,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:43,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-09-30 11:45:43,591 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-09-30 11:45:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:45:43,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-09-30 11:45:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-09-30 11:45:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:45:45,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:47,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2018-09-30 11:45:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2018-09-30 11:45:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:45:47,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:48,074 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:50,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:50,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-09-30 11:45:50,523 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-09-30 11:45:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:45:50,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:51,520 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:55,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-09-30 11:45:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-09-30 11:45:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:45:55,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:55,479 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:45:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:45:59,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2018-09-30 11:45:59,465 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2018-09-30 11:45:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:45:59,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:45:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:45:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:03,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-30 11:46:03,623 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-30 11:46:03,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:46:03,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-09-30 11:46:08,185 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-09-30 11:46:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:46:08,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:08,498 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2018-09-30 11:46:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2018-09-30 11:46:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:46:13,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:14,371 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2018-09-30 11:46:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2018-09-30 11:46:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:46:20,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:20,671 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:27,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:27,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-09-30 11:46:27,319 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-09-30 11:46:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:46:27,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2018-09-30 11:46:35,294 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2018-09-30 11:46:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:46:35,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:35,975 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:44,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:44,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2018-09-30 11:46:44,823 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2018-09-30 11:46:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:46:44,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:46:55,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:46:55,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2018-09-30 11:46:55,407 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2018-09-30 11:46:55,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:46:55,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:46:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:46:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:07,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2018-09-30 11:47:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2018-09-30 11:47:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:47:07,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2018-09-30 11:47:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2018-09-30 11:47:21,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 11:47:21,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:37,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:37,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-09-30 11:47:37,912 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-09-30 11:47:37,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 11:47:37,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:47:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:47:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2018-09-30 11:47:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2018-09-30 11:47:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 11:47:57,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:47:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:47:58,042 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2018-09-30 11:48:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2018-09-30 11:48:18,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 11:48:18,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:48:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:48:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2018-09-30 11:48:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2018-09-30 11:48:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 11:48:41,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:48:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:48:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:09,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:09,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2018-09-30 11:49:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2018-09-30 11:49:09,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 11:49:09,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:10,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:49:39,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:49:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2018-09-30 11:49:39,502 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2018-09-30 11:49:39,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 11:49:39,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:49:39,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:49:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown