java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 13:05:58,615 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:05:58,617 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:05:58,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:05:58,629 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:05:58,630 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:05:58,631 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:05:58,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:05:58,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:05:58,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:05:58,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:05:58,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:05:58,638 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:05:58,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:05:58,640 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:05:58,640 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:05:58,641 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:05:58,643 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:05:58,645 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:05:58,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:05:58,648 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:05:58,649 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:05:58,651 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:05:58,651 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:05:58,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:05:58,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:05:58,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:05:58,654 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:05:58,655 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:05:58,656 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:05:58,656 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:05:58,657 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:05:58,657 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:05:58,657 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:05:58,658 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:05:58,659 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:05:58,659 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 [2018-10-02 13:05:58,679 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:05:58,679 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:05:58,680 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:05:58,680 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:05:58,681 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:05:58,681 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:05:58,681 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:05:58,681 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:05:58,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:05:58,682 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:05:58,682 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:05:58,682 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:05:58,682 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:05:58,682 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:05:58,683 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:05:58,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:05:58,683 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:05:58,683 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:05:58,683 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:05:58,684 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:05:58,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:05:58,684 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:05:58,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:05:58,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:05:58,685 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:05:58,685 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:05:58,685 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:05:58,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:05:58,686 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:05:58,687 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:05:58,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:05:58,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:05:58,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:05:58,778 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:05:58,779 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:05:58,780 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-10-02 13:05:58,780 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-10-02 13:05:58,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:05:58,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:05:58,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:05:58,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:05:58,841 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:05:58,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (1/1) ... [2018-10-02 13:05:58,874 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (1/1) ... [2018-10-02 13:05:58,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:05:58,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:05:58,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:05:58,882 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:05:58,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (1/1) ... [2018-10-02 13:05:58,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (1/1) ... [2018-10-02 13:05:58,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (1/1) ... [2018-10-02 13:05:58,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (1/1) ... [2018-10-02 13:05:58,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (1/1) ... [2018-10-02 13:05:58,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (1/1) ... [2018-10-02 13:05:58,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (1/1) ... [2018-10-02 13:05:58,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:05:58,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:05:58,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:05:58,903 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:05:58,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:05:58" (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 [2018-10-02 13:05:58,981 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-02 13:05:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 13:05:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 13:05:59,412 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 13:05:59,413 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:05:59 BoogieIcfgContainer [2018-10-02 13:05:59,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:05:59,414 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:05:59,414 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:05:59,425 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:05:59,425 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:05:59" (1/1) ... [2018-10-02 13:05:59,438 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:05:59,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:05:59,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-02 13:05:59,478 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-02 13:05:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 13:05:59,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:05:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:05:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:00,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-10-02 13:06:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-10-02 13:06:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:06:00,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:00,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:01,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-02 13:06:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-02 13:06:01,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 13:06:01,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:01,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:02,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-10-02 13:06:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-10-02 13:06:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 13:06:02,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-02 13:06:03,699 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-02 13:06:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 13:06:03,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-10-02 13:06:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-10-02 13:06:05,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:06:05,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:06,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:06,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-10-02 13:06:06,715 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-10-02 13:06:06,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 13:06:06,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2018-10-02 13:06:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2018-10-02 13:06:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 13:06:07,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:09,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:09,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2018-10-02 13:06:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2018-10-02 13:06:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 13:06:09,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:10,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:10,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2018-10-02 13:06:10,189 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2018-10-02 13:06:10,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:06:10,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:10,295 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-10-02 13:06:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-10-02 13:06:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:06:11,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:11,686 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2018-10-02 13:06:12,824 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2018-10-02 13:06:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 13:06:12,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:14,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2018-10-02 13:06:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2018-10-02 13:06:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 13:06:14,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:16,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:16,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-10-02 13:06:16,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-10-02 13:06:16,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 13:06:16,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:19,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:19,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 40 states and 92 transitions. [2018-10-02 13:06:19,166 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2018-10-02 13:06:19,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 13:06:19,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:19,458 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 56 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2018-10-02 13:06:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2018-10-02 13:06:22,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 13:06:22,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2018-10-02 13:06:24,643 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2018-10-02 13:06:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 13:06:24,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:24,999 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:26,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2018-10-02 13:06:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2018-10-02 13:06:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 13:06:26,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:28,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:28,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2018-10-02 13:06:28,616 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2018-10-02 13:06:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 13:06:28,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 90 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:30,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:30,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 140 transitions. [2018-10-02 13:06:30,937 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 140 transitions. [2018-10-02 13:06:30,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 13:06:30,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2018-10-02 13:06:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2018-10-02 13:06:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-02 13:06:33,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2018-10-02 13:06:36,411 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2018-10-02 13:06:36,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 13:06:36,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:36,570 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:38,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 60 states and 162 transitions. [2018-10-02 13:06:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 162 transitions. [2018-10-02 13:06:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 13:06:38,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:41,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2018-10-02 13:06:41,479 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2018-10-02 13:06:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 13:06:41,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 78 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:44,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 65 states and 182 transitions. [2018-10-02 13:06:44,110 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 182 transitions. [2018-10-02 13:06:44,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-02 13:06:44,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 156 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:47,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 68 states and 200 transitions. [2018-10-02 13:06:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 200 transitions. [2018-10-02 13:06:47,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 13:06:47,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:50,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 70 states and 203 transitions. [2018-10-02 13:06:50,713 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 203 transitions. [2018-10-02 13:06:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 13:06:50,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 182 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 73 states and 222 transitions. [2018-10-02 13:06:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 222 transitions. [2018-10-02 13:06:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 13:06:54,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 105 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:57,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 225 transitions. [2018-10-02 13:06:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 225 transitions. [2018-10-02 13:06:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 13:06:57,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 210 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:01,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2018-10-02 13:07:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2018-10-02 13:07:01,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 13:07:01,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 120 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:05,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 80 states and 248 transitions. [2018-10-02 13:07:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 248 transitions. [2018-10-02 13:07:05,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 13:07:05,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:06,015 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 83 states and 269 transitions. [2018-10-02 13:07:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 269 transitions. [2018-10-02 13:07:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 13:07:09,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 136 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:13,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:13,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 85 states and 272 transitions. [2018-10-02 13:07:13,996 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 272 transitions. [2018-10-02 13:07:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 13:07:13,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:14,482 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 272 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 88 states and 294 transitions. [2018-10-02 13:07:18,755 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 294 transitions. [2018-10-02 13:07:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 13:07:18,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:19,726 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 153 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 90 states and 297 transitions. [2018-10-02 13:07:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 297 transitions. [2018-10-02 13:07:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 13:07:24,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 306 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:29,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:29,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 93 states and 320 transitions. [2018-10-02 13:07:29,421 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 320 transitions. [2018-10-02 13:07:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 13:07:29,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:29,666 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 171 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:34,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:34,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 95 states and 323 transitions. [2018-10-02 13:07:34,267 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 323 transitions. [2018-10-02 13:07:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-02 13:07:34,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 342 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 98 states and 347 transitions. [2018-10-02 13:07:39,603 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 347 transitions. [2018-10-02 13:07:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-02 13:07:39,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 190 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:44,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:44,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 100 states and 350 transitions. [2018-10-02 13:07:44,950 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 350 transitions. [2018-10-02 13:07:44,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-02 13:07:44,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 380 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:50,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:50,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 375 transitions. [2018-10-02 13:07:50,955 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 375 transitions. [2018-10-02 13:07:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-02 13:07:50,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 210 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:59,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:59,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 105 states and 378 transitions. [2018-10-02 13:07:59,868 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 378 transitions. [2018-10-02 13:07:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-02 13:07:59,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:00,625 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 420 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:06,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:06,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 108 states and 404 transitions. [2018-10-02 13:08:06,432 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 404 transitions. [2018-10-02 13:08:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 13:08:06,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 231 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 110 states and 407 transitions. [2018-10-02 13:08:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 407 transitions. [2018-10-02 13:08:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 13:08:12,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 462 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:19,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:19,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 113 states and 434 transitions. [2018-10-02 13:08:19,413 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 434 transitions. [2018-10-02 13:08:19,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-02 13:08:19,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 253 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 115 states and 437 transitions. [2018-10-02 13:08:26,561 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 437 transitions. [2018-10-02 13:08:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-02 13:08:26,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 506 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:34,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 118 states and 465 transitions. [2018-10-02 13:08:34,569 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 465 transitions. [2018-10-02 13:08:34,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 13:08:34,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 276 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:41,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:41,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 120 states and 468 transitions. [2018-10-02 13:08:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 468 transitions. [2018-10-02 13:08:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-02 13:08:41,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 552 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:50,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:50,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 123 states and 497 transitions. [2018-10-02 13:08:50,796 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 497 transitions. [2018-10-02 13:08:50,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-02 13:08:50,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 300 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:58,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:58,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 125 states and 500 transitions. [2018-10-02 13:08:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 500 transitions. [2018-10-02 13:08:58,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-02 13:08:58,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:59,977 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 600 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:08,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 128 states and 530 transitions. [2018-10-02 13:09:08,087 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 530 transitions. [2018-10-02 13:09:08,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-02 13:09:08,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 325 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:17,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 130 states and 533 transitions. [2018-10-02 13:09:17,852 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 533 transitions. [2018-10-02 13:09:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-02 13:09:17,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:18,708 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 650 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:27,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:27,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 133 states and 564 transitions. [2018-10-02 13:09:27,635 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 564 transitions. [2018-10-02 13:09:27,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-02 13:09:27,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 351 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:38,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 135 states and 567 transitions. [2018-10-02 13:09:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 567 transitions. [2018-10-02 13:09:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-02 13:09:38,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 702 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 138 states and 599 transitions. [2018-10-02 13:09:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 599 transitions. [2018-10-02 13:09:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 13:09:48,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 378 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 140 states and 602 transitions. [2018-10-02 13:09:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 602 transitions. [2018-10-02 13:09:59,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 13:09:59,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 756 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:10:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 143 states and 635 transitions. [2018-10-02 13:10:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 635 transitions. [2018-10-02 13:10:11,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-02 13:10:11,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:11,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 406 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown