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-d19836b [2018-09-26 22:59:09,367 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:59:09,369 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:59:09,385 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:59:09,385 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:59:09,386 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:59:09,390 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:59:09,394 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:59:09,397 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:59:09,398 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:59:09,400 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:59:09,400 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:59:09,401 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:59:09,403 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:59:09,404 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:59:09,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:59:09,414 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:59:09,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:59:09,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:59:09,425 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:59:09,428 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:59:09,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:59:09,435 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:59:09,436 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:59:09,436 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:59:09,437 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:59:09,438 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:59:09,439 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:59:09,440 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:59:09,441 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:59:09,443 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:59:09,444 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:59:09,444 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:59:09,445 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:59:09,446 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:59:09,446 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:59:09,449 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 22:59:09,472 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:59:09,472 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:59:09,473 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:59:09,473 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:59:09,474 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:59:09,474 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:59:09,475 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:59:09,475 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:59:09,475 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:59:09,475 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:59:09,475 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:59:09,476 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:59:09,476 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:59:09,476 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:59:09,476 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:59:09,476 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:59:09,477 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:59:09,477 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:59:09,477 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:59:09,477 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:59:09,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:59:09,478 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:59:09,478 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:59:09,478 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:59:09,478 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:59:09,478 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:59:09,479 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:59:09,479 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:59:09,479 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:59:09,479 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:59:09,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:59:09,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:59:09,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:59:09,541 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:59:09,542 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:59:09,543 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl [2018-09-26 22:59:09,543 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_clnt_2.cil.c_21.bpl' [2018-09-26 22:59:09,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:59:09,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:59:09,632 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:59:09,632 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:59:09,632 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:59:09,653 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 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,670 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 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:59:09,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:59:09,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:59:09,679 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:59:09,690 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 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,691 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 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,694 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 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,694 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 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,704 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 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,707 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 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,709 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 26.09 10:59:09" (1/1) ... [2018-09-26 22:59:09,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:59:09,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:59:09,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:59:09,715 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:59:09,716 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 26.09 10:59:09" (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 22:59:09,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:59:09,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:59:10,828 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:59:10,829 INFO L202 PluginConnector]: Adding new model s3_clnt_2.cil.c_21.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:59:10 BoogieIcfgContainer [2018-09-26 22:59:10,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:59:10,830 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:59:10,830 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:59:10,844 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:59:10,845 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 26.09 10:59:10" (1/1) ... [2018-09-26 22:59:10,862 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:59:10,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:10,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2018-09-26 22:59:10,933 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2018-09-26 22:59:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:59:10,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:11,213 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 22:59:11,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2018-09-26 22:59:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2018-09-26 22:59:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:59:11,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:11,927 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 22:59:12,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:12,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-09-26 22:59:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-09-26 22:59:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:59:12,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:12,692 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 22:59:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2018-09-26 22:59:13,948 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-09-26 22:59:13,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:59:13,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:14,143 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 22:59:16,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-09-26 22:59:16,611 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-09-26 22:59:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:59:16,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-26 22:59:18,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:18,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2018-09-26 22:59:18,091 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2018-09-26 22:59:18,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:59:18,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-26 22:59:24,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:24,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 71 states and 90 transitions. [2018-09-26 22:59:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2018-09-26 22:59:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:59:24,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:24,955 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 22:59:29,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:29,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 79 states and 98 transitions. [2018-09-26 22:59:29,070 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2018-09-26 22:59:29,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 22:59:29,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:29,425 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-26 22:59:33,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 87 states and 107 transitions. [2018-09-26 22:59:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 107 transitions. [2018-09-26 22:59:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:59:33,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:33,610 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 22:59:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:38,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 96 states and 117 transitions. [2018-09-26 22:59:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2018-09-26 22:59:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-26 22:59:38,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:39,038 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 22:59:52,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:59:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 116 states and 145 transitions. [2018-09-26 22:59:52,556 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 145 transitions. [2018-09-26 22:59:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:59:52,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:59:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:59:54,489 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 23:00:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:06,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 126 states and 158 transitions. [2018-09-26 23:00:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 158 transitions. [2018-09-26 23:00:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 23:00:06,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:07,189 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 23:00:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 134 states and 166 transitions. [2018-09-26 23:00:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2018-09-26 23:00:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 23:00:16,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:19,632 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 23:00:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 144 states and 179 transitions. [2018-09-26 23:00:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 179 transitions. [2018-09-26 23:00:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 23:00:36,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:38,131 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 23:00:56,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:00:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 152 states and 187 transitions. [2018-09-26 23:00:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2018-09-26 23:00:56,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 23:00:56,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:00:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:00:59,133 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 23:01:27,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:01:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 162 states and 200 transitions. [2018-09-26 23:01:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2018-09-26 23:01:27,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 23:01:27,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:01:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:01:29,931 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 23:02:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:02:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 170 states and 208 transitions. [2018-09-26 23:02:06,907 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 208 transitions. [2018-09-26 23:02:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 23:02:06,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:02:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:02:11,368 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