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_srvr_1.cil.c_23.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:42:01,344 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:42:01,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:42:01,366 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:42:01,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:42:01,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:42:01,370 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:42:01,373 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:42:01,376 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:42:01,377 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:42:01,377 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:42:01,378 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:42:01,379 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:42:01,380 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:42:01,381 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:42:01,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:42:01,383 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:42:01,384 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:42:01,386 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:42:01,388 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:42:01,389 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:42:01,391 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:42:01,393 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:42:01,393 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:42:01,394 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:42:01,395 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:42:01,396 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:42:01,397 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:42:01,398 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:42:01,399 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:42:01,399 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:42:01,400 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:42:01,400 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:42:01,400 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:42:01,401 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:42:01,402 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:42:01,402 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 [2018-09-28 11:42:01,437 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:42:01,437 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:42:01,438 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:42:01,442 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:42:01,442 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:42:01,443 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:42:01,443 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:42:01,443 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:42:01,443 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:42:01,443 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:42:01,444 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:42:01,444 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:42:01,444 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:42:01,444 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:42:01,445 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:42:01,445 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:42:01,445 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:42:01,445 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:42:01,445 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:42:01,446 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:42:01,446 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:42:01,446 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:42:01,446 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:42:01,446 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:42:01,446 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:42:01,447 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:42:01,447 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:42:01,447 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:42:01,447 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:42:01,447 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:42:01,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:42:01,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:42:01,537 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:42:01,538 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:42:01,539 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:42:01,540 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl [2018-09-28 11:42:01,540 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/s3_srvr_1.cil.c_23.bpl' [2018-09-28 11:42:01,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:42:01,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:42:01,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:42:01,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:42:01,654 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:42:01,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (1/1) ... [2018-09-28 11:42:01,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (1/1) ... [2018-09-28 11:42:01,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:42:01,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:42:01,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:42:01,717 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:42:01,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (1/1) ... [2018-09-28 11:42:01,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (1/1) ... [2018-09-28 11:42:01,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (1/1) ... [2018-09-28 11:42:01,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (1/1) ... [2018-09-28 11:42:01,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (1/1) ... [2018-09-28 11:42:01,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (1/1) ... [2018-09-28 11:42:01,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (1/1) ... [2018-09-28 11:42:01,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:42:01,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:42:01,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:42:01,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:42:01,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:42:01" (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 [2018-09-28 11:42:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 11:42:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 11:42:02,602 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 11:42:02,603 INFO L202 PluginConnector]: Adding new model s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:42:02 BoogieIcfgContainer [2018-09-28 11:42:02,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:42:02,604 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:42:02,604 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:42:02,615 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:42:02,615 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "s3_srvr_1.cil.c_23.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:42:02" (1/1) ... [2018-09-28 11:42:02,634 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:42:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2018-09-28 11:42:02,666 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2018-09-28 11:42:02,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:42:02,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2018-09-28 11:42:04,585 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2018-09-28 11:42:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-28 11:42:04,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:05,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:05,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-09-28 11:42:05,112 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-09-28 11:42:05,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:42:05,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:05,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:05,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2018-09-28 11:42:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2018-09-28 11:42:05,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-28 11:42:05,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2018-09-28 11:42:06,144 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2018-09-28 11:42:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:42:06,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2018-09-28 11:42:07,095 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2018-09-28 11:42:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-28 11:42:07,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-28 11:42:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2018-09-28 11:42:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2018-09-28 11:42:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-28 11:42:07,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:07,776 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:08,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 51 states and 70 transitions. [2018-09-28 11:42:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 70 transitions. [2018-09-28 11:42:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:42:08,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:08,910 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-09-28 11:42:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:09,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-09-28 11:42:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-09-28 11:42:09,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:42:09,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:10,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2018-09-28 11:42:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2018-09-28 11:42:10,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-28 11:42:10,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:10,879 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2018-09-28 11:42:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2018-09-28 11:42:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:42:11,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:12,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:12,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 78 states and 99 transitions. [2018-09-28 11:42:12,760 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2018-09-28 11:42:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-28 11:42:12,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:15,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:15,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 88 states and 110 transitions. [2018-09-28 11:42:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2018-09-28 11:42:15,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:42:15,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:15,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-28 11:42:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 89 states and 112 transitions. [2018-09-28 11:42:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 112 transitions. [2018-09-28 11:42:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:42:16,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:18,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 100 states and 124 transitions. [2018-09-28 11:42:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 124 transitions. [2018-09-28 11:42:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-28 11:42:18,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-09-28 11:42:20,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:20,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 103 states and 126 transitions. [2018-09-28 11:42:20,399 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 126 transitions. [2018-09-28 11:42:20,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-28 11:42:20,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:42:23,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:23,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 115 states and 139 transitions. [2018-09-28 11:42:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 139 transitions. [2018-09-28 11:42:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:42:23,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:23,510 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-09-28 11:42:24,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:24,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 116 states and 141 transitions. [2018-09-28 11:42:24,476 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 141 transitions. [2018-09-28 11:42:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 11:42:24,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-28 11:42:27,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 119 states and 143 transitions. [2018-09-28 11:42:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 143 transitions. [2018-09-28 11:42:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-28 11:42:27,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-28 11:42:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:28,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 145 transitions. [2018-09-28 11:42:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 145 transitions. [2018-09-28 11:42:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:42:28,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-09-28 11:42:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 123 states and 147 transitions. [2018-09-28 11:42:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 147 transitions. [2018-09-28 11:42:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-28 11:42:31,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-28 11:42:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 128 states and 154 transitions. [2018-09-28 11:42:39,865 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 154 transitions. [2018-09-28 11:42:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-28 11:42:39,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:39,961 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-28 11:42:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 131 states and 164 transitions. [2018-09-28 11:42:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2018-09-28 11:42:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:42:43,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-09-28 11:42:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:42:47,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 134 states and 166 transitions. [2018-09-28 11:42:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2018-09-28 11:42:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-28 11:42:47,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:42:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:42:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 88 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-28 11:43:03,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:03,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 146 states and 181 transitions. [2018-09-28 11:43:03,876 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 181 transitions. [2018-09-28 11:43:03,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-28 11:43:03,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 88 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-28 11:43:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 149 states and 183 transitions. [2018-09-28 11:43:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 183 transitions. [2018-09-28 11:43:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:43:10,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-09-28 11:43:11,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:11,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 186 transitions. [2018-09-28 11:43:11,422 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 186 transitions. [2018-09-28 11:43:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-28 11:43:11,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:11,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:11,987 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-28 11:43:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:18,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2018-09-28 11:43:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2018-09-28 11:43:18,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-28 11:43:18,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 8 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-28 11:43:25,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:25,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 156 states and 191 transitions. [2018-09-28 11:43:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2018-09-28 11:43:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:43:25,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-09-28 11:43:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 157 states and 194 transitions. [2018-09-28 11:43:26,109 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2018-09-28 11:43:26,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-28 11:43:26,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-28 11:43:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:34,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 160 states and 196 transitions. [2018-09-28 11:43:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2018-09-28 11:43:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-28 11:43:34,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:34,870 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-09-28 11:43:42,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 163 states and 198 transitions. [2018-09-28 11:43:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2018-09-28 11:43:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-28 11:43:42,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-09-28 11:43:44,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 164 states and 201 transitions. [2018-09-28 11:43:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 201 transitions. [2018-09-28 11:43:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:43:44,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-09-28 11:43:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:43:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 167 states and 203 transitions. [2018-09-28 11:43:53,679 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 203 transitions. [2018-09-28 11:43:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:43:53,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:43:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:43:54,844 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-09-28 11:44:03,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:03,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 170 states and 205 transitions. [2018-09-28 11:44:03,614 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 205 transitions. [2018-09-28 11:44:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-28 11:44:03,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-09-28 11:44:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:05,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 171 states and 208 transitions. [2018-09-28 11:44:05,294 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 208 transitions. [2018-09-28 11:44:05,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:44:05,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:06,741 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-09-28 11:44:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 174 states and 210 transitions. [2018-09-28 11:44:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 210 transitions. [2018-09-28 11:44:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:44:16,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:16,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:18,327 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-09-28 11:44:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:44:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 177 states and 212 transitions. [2018-09-28 11:44:28,950 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 212 transitions. [2018-09-28 11:44:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 11:44:28,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:44:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:44:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 60 proven. 136 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown