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/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 12:00:15,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 12:00:15,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 12:00:15,035 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 12:00:15,035 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 12:00:15,036 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 12:00:15,037 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 12:00:15,039 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 12:00:15,041 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 12:00:15,042 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 12:00:15,043 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 12:00:15,043 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 12:00:15,044 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 12:00:15,045 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 12:00:15,047 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 12:00:15,047 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 12:00:15,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 12:00:15,050 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 12:00:15,052 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 12:00:15,054 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 12:00:15,056 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 12:00:15,059 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 12:00:15,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 12:00:15,062 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 12:00:15,062 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 12:00:15,066 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 12:00:15,067 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 12:00:15,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 12:00:15,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 12:00:15,076 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 12:00:15,077 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 12:00:15,077 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 12:00:15,078 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 12:00:15,078 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 12:00:15,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 12:00:15,082 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 12:00:15,082 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 12:00:15,114 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 12:00:15,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 12:00:15,115 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 12:00:15,116 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 12:00:15,121 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 12:00:15,121 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 12:00:15,121 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 12:00:15,121 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 12:00:15,122 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 12:00:15,122 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 12:00:15,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 12:00:15,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 12:00:15,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 12:00:15,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 12:00:15,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 12:00:15,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 12:00:15,124 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 12:00:15,124 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 12:00:15,124 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 12:00:15,124 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 12:00:15,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 12:00:15,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 12:00:15,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 12:00:15,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 12:00:15,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 12:00:15,127 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 12:00:15,127 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 12:00:15,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 12:00:15,127 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 12:00:15,128 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 12:00:15,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 12:00:15,189 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 12:00:15,193 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 12:00:15,195 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 12:00:15,196 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 12:00:15,196 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl [2018-09-30 12:00:15,197 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl' [2018-09-30 12:00:15,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 12:00:15,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 12:00:15,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 12:00:15,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 12:00:15,295 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 12:00:15,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (1/1) ... [2018-09-30 12:00:15,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (1/1) ... [2018-09-30 12:00:15,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 12:00:15,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 12:00:15,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 12:00:15,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 12:00:15,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (1/1) ... [2018-09-30 12:00:15,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (1/1) ... [2018-09-30 12:00:15,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (1/1) ... [2018-09-30 12:00:15,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (1/1) ... [2018-09-30 12:00:15,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (1/1) ... [2018-09-30 12:00:15,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (1/1) ... [2018-09-30 12:00:15,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (1/1) ... [2018-09-30 12:00:15,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 12:00:15,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 12:00:15,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 12:00:15,413 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 12:00:15,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 12:00:15" (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 12:00:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 12:00:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 12:00:16,704 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 12:00:16,705 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 12:00:16 BoogieIcfgContainer [2018-09-30 12:00:16,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 12:00:16,706 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 12:00:16,706 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 12:00:16,716 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 12:00:16,716 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 12:00:16" (1/1) ... [2018-09-30 12:00:16,731 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 12:00:16,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:16,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2018-09-30 12:00:16,773 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2018-09-30 12:00:16,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 12:00:16,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:16,983 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 12:00:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:17,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-09-30 12:00:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-09-30 12:00:17,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 12:00:17,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:17,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 12:00:18,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-09-30 12:00:18,590 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-09-30 12:00:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 12:00:18,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:18,707 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 12:00:19,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:19,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2018-09-30 12:00:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-09-30 12:00:19,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 12:00:19,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 12:00:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:19,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-09-30 12:00:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-09-30 12:00:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 12:00:19,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:19,980 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-30 12:00:20,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:21,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2018-09-30 12:00:21,000 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-09-30 12:00:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 12:00:21,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-30 12:00:24,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:24,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 71 states and 90 transitions. [2018-09-30 12:00:24,158 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2018-09-30 12:00:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 12:00:24,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 12:00:27,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:27,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2018-09-30 12:00:27,072 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2018-09-30 12:00:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 12:00:27,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:00:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 87 states and 107 transitions. [2018-09-30 12:00:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2018-09-30 12:00:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 12:00:30,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-30 12:00:32,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 96 states and 117 transitions. [2018-09-30 12:00:32,767 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2018-09-30 12:00:32,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 12:00:32,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:32,891 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-09-30 12:00:37,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 116 states and 145 transitions. [2018-09-30 12:00:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2018-09-30 12:00:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 12:00:37,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 135 proven. 7 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:00:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 126 states and 158 transitions. [2018-09-30 12:00:44,918 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 158 transitions. [2018-09-30 12:00:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 12:00:44,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 135 proven. 7 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:00:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:00:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 134 states and 166 transitions. [2018-09-30 12:00:50,959 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2018-09-30 12:00:50,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 12:00:50,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:00:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:00:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 184 proven. 24 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:01:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 144 states and 179 transitions. [2018-09-30 12:01:02,710 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 179 transitions. [2018-09-30 12:01:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 12:01:02,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 184 proven. 24 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:01:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 187 transitions. [2018-09-30 12:01:14,151 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2018-09-30 12:01:14,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 12:01:14,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:15,154 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 233 proven. 51 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:01:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 162 states and 200 transitions. [2018-09-30 12:01:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2018-09-30 12:01:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 12:01:36,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:01:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 233 proven. 51 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:01:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:01:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 170 states and 208 transitions. [2018-09-30 12:01:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 208 transitions. [2018-09-30 12:01:59,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 12:01:59,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:01:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:02:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 282 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:02:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:02:43,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 180 states and 225 transitions. [2018-09-30 12:02:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 225 transitions. [2018-09-30 12:02:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 12:02:43,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:02:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:02:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 282 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-30 12:03:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 12:03:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 188 states and 234 transitions. [2018-09-30 12:03:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 234 transitions. [2018-09-30 12:03:57,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 12:03:57,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 12:03:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 12:03:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 419 proven. 39 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown