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_3.cil.c_21.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:59:14,897 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:59:14,899 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:59:14,918 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:59:14,918 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:59:14,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:59:14,921 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:59:14,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:59:14,925 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:59:14,928 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:59:14,929 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:59:14,929 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:59:14,932 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:59:14,935 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:59:14,938 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:59:14,939 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:59:14,940 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:59:14,945 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:59:14,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:59:14,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:59:14,956 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:59:14,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:59:14,962 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:59:14,962 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:59:14,962 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:59:14,963 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:59:14,964 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:59:14,966 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:59:14,966 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:59:14,967 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:59:14,969 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:59:14,970 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:59:14,970 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:59:14,972 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:59:14,973 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:59:14,975 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:59:14,975 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-26 22:59:15,002 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:59:15,003 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:59:15,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:59:15,005 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:59:15,006 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:59:15,006 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:59:15,006 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:59:15,007 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:59:15,008 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:59:15,008 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:59:15,008 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:59:15,008 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:59:15,009 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:59:15,009 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:59:15,009 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:59:15,009 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:59:15,009 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:59:15,011 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:59:15,011 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:59:15,011 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:59:15,011 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:59:15,012 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:59:15,012 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:59:15,012 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:59:15,012 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:59:15,012 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:59:15,013 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:59:15,013 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:59:15,013 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:59:15,013 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:59:15,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:59:15,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:59:15,113 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:59:15,115 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:59:15,115 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:59:15,116 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_3.cil.c_21.bpl [2018-09-26 22:59:15,116 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_3.cil.c_21.bpl' [2018-09-26 22:59:15,236 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:59:15,240 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:59:15,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:59:15,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:59:15,241 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:59:15,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (1/1) ... [2018-09-26 22:59:15,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (1/1) ... [2018-09-26 22:59:15,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:59:15,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:59:15,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:59:15,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:59:15,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (1/1) ... [2018-09-26 22:59:15,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (1/1) ... [2018-09-26 22:59:15,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (1/1) ... [2018-09-26 22:59:15,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (1/1) ... [2018-09-26 22:59:15,343 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (1/1) ... [2018-09-26 22:59:15,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (1/1) ... [2018-09-26 22:59:15,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (1/1) ... [2018-09-26 22:59:15,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:59:15,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:59:15,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:59:15,356 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:59:15,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:59:15" (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 [2018-09-26 22:59:15,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:59:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:59:16,485 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:59:16,486 INFO L202 PluginConnector]: Adding new model s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:59:16 BoogieIcfgContainer [2018-09-26 22:59:16,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:59:16,487 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:59:16,487 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:59:16,497 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:59:16,498 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "s3_clnt_3.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:59:16" (1/1) ... [2018-09-26 22:59:16,514 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:59:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:16,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2018-09-26 22:59:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2018-09-26 22:59:16,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:59:16,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:17,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:17,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-09-26 22:59:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-09-26 22:59:17,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:59:17,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-09-26 22:59:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-09-26 22:59:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:59:18,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2018-09-26 22:59:19,293 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-09-26 22:59:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:59:19,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:19,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:19,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2018-09-26 22:59:19,828 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2018-09-26 22:59:19,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:59:19,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2018-09-26 22:59:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2018-09-26 22:59:20,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:59:20,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:59:21,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:21,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2018-09-26 22:59:21,316 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2018-09-26 22:59:21,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:59:21,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2018-09-26 22:59:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2018-09-26 22:59:23,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:59:23,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:23,751 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:59:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-09-26 22:59:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-09-26 22:59:24,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:59:24,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:25,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-26 22:59:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:29,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2018-09-26 22:59:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2018-09-26 22:59:29,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:59:29,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-26 22:59:30,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:30,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2018-09-26 22:59:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2018-09-26 22:59:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:59:30,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-09-26 22:59:32,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:32,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2018-09-26 22:59:32,874 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-09-26 22:59:32,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:59:32,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-26 22:59:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 84 states and 105 transitions. [2018-09-26 22:59:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2018-09-26 22:59:38,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:59:38,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:38,488 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-26 22:59:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:40,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 85 states and 107 transitions. [2018-09-26 22:59:40,402 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2018-09-26 22:59:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:59:40,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:40,980 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 25 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-09-26 22:59:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 95 states and 119 transitions. [2018-09-26 22:59:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 119 transitions. [2018-09-26 22:59:46,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:59:46,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:59:54,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:54,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 113 states and 141 transitions. [2018-09-26 22:59:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 141 transitions. [2018-09-26 22:59:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 22:59:54,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-09-26 22:59:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:57,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 118 states and 145 transitions. [2018-09-26 22:59:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 145 transitions. [2018-09-26 22:59:57,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:59:57,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-26 23:00:00,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2018-09-26 23:00:00,586 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2018-09-26 23:00:00,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 23:00:00,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:00,666 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 73 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-09-26 23:00:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 124 states and 150 transitions. [2018-09-26 23:00:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 150 transitions. [2018-09-26 23:00:03,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 23:00:03,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-09-26 23:00:09,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:09,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 132 states and 157 transitions. [2018-09-26 23:00:09,632 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 157 transitions. [2018-09-26 23:00:09,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 23:00:09,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-26 23:00:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:13,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 133 states and 158 transitions. [2018-09-26 23:00:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 158 transitions. [2018-09-26 23:00:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-26 23:00:13,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-09-26 23:00:39,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:39,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 160 states and 193 transitions. [2018-09-26 23:00:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 193 transitions. [2018-09-26 23:00:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 23:00:39,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 135 proven. 7 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-26 23:00:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 170 states and 205 transitions. [2018-09-26 23:00:58,555 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2018-09-26 23:00:58,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 23:00:58,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:01,916 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 184 proven. 24 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-26 23:01:24,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:24,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 180 states and 218 transitions. [2018-09-26 23:01:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 218 transitions. [2018-09-26 23:01:24,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 23:01:24,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 184 proven. 24 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-26 23:01:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 181 states and 219 transitions. [2018-09-26 23:01:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 219 transitions. [2018-09-26 23:01:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 23:01:38,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 233 proven. 51 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-26 23:02:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 191 states and 232 transitions. [2018-09-26 23:02:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 232 transitions. [2018-09-26 23:02:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 23:02:11,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 233 proven. 51 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-26 23:02:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:36,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 192 states and 233 transitions. [2018-09-26 23:02:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 233 transitions. [2018-09-26 23:02:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 23:02:36,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 282 proven. 88 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown