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/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 13:06:03,083 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:06:03,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:06:03,103 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:06:03,103 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:06:03,105 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:06:03,106 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:06:03,108 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:06:03,109 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:06:03,110 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:06:03,111 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:06:03,111 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:06:03,112 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:06:03,113 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:06:03,114 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:06:03,115 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:06:03,116 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:06:03,118 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:06:03,120 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:06:03,122 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:06:03,123 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:06:03,124 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:06:03,130 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:06:03,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:06:03,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:06:03,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:06:03,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:06:03,140 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:06:03,141 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:06:03,144 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:06:03,145 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:06:03,145 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:06:03,146 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:06:03,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:06:03,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:06:03,151 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:06:03,151 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 13:06:03,180 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:06:03,180 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:06:03,183 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:06:03,184 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:06:03,184 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:06:03,184 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:06:03,185 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:06:03,185 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:06:03,185 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:06:03,185 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:06:03,186 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:06:03,187 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:06:03,187 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:06:03,187 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:06:03,187 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:06:03,188 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:06:03,188 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:06:03,188 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:06:03,188 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:06:03,189 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:06:03,189 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:06:03,189 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:06:03,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:06:03,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:06:03,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:06:03,190 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:06:03,190 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:06:03,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:06:03,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:06:03,192 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:06:03,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:06:03,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:06:03,267 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:06:03,269 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:06:03,270 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:06:03,271 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-10-02 13:06:03,271 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-10-02 13:06:03,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:06:03,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:06:03,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:06:03,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:06:03,335 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:06:03,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:06:03,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:06:03,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:06:03,379 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:06:03,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:06:03,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:06:03,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:06:03,404 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:06:03,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 01:06:03" (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 13:06:03,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-02 13:06:03,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 13:06:03,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 13:06:03,667 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 13:06:03,668 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:06:03 BoogieIcfgContainer [2018-10-02 13:06:03,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:06:03,669 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:06:03,669 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:06:03,680 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:06:03,681 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:06:03" (1/1) ... [2018-10-02 13:06:03,693 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:06:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-02 13:06:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-02 13:06:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 13:06:03,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:03,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:03,909 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 13:06:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:04,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2018-10-02 13:06:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2018-10-02 13:06:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 13:06:04,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:04,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-02 13:06:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-02 13:06:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 13:06:05,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:05,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:06,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-02 13:06:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-02 13:06:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:06:06,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:06,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:06,252 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:06,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-02 13:06:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-02 13:06:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 13:06:06,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:06,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:08,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-10-02 13:06:08,282 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-10-02 13:06:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-02 13:06:08,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:08,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:09,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-02 13:06:09,841 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-02 13:06:09,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-02 13:06:09,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:09,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-10-02 13:06:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-10-02 13:06:10,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-02 13:06:10,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:10,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-10-02 13:06:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-10-02 13:06:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 13:06:12,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:12,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-10-02 13:06:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-10-02 13:06:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:06:13,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:13,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:15,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-10-02 13:06:15,074 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-10-02 13:06:15,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 13:06:15,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:15,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:16,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:16,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-10-02 13:06:16,959 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-10-02 13:06:16,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-02 13:06:16,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:17,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:17,143 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:18,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-10-02 13:06:18,613 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-10-02 13:06:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-02 13:06:18,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:18,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:20,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-10-02 13:06:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-10-02 13:06:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-02 13:06:20,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:20,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:24,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:24,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-10-02 13:06:24,059 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-10-02 13:06:24,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 13:06:24,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:24,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:27,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-10-02 13:06:27,575 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-10-02 13:06:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:06:27,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:27,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:27,705 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:29,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:29,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-10-02 13:06:29,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-10-02 13:06:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 13:06:29,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:29,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:32,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-10-02 13:06:32,438 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-10-02 13:06:32,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:06:32,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:32,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-10-02 13:06:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-10-02 13:06:35,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 13:06:35,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:35,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:38,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:38,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2018-10-02 13:06:38,325 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2018-10-02 13:06:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-02 13:06:38,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:38,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2018-10-02 13:06:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2018-10-02 13:06:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-02 13:06:41,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:41,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:42,198 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2018-10-02 13:06:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2018-10-02 13:06:45,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-02 13:06:45,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:45,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:46,156 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:49,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2018-10-02 13:06:49,878 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2018-10-02 13:06:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-02 13:06:49,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:49,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:54,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:54,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2018-10-02 13:06:54,206 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2018-10-02 13:06:54,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-02 13:06:54,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:54,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:06:58,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:06:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2018-10-02 13:06:58,962 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2018-10-02 13:06:58,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 13:06:58,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:06:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:06:59,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:06:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:03,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2018-10-02 13:07:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2018-10-02 13:07:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 13:07:03,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:03,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:07:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2018-10-02 13:07:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2018-10-02 13:07:08,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 13:07:08,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:09,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:07:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2018-10-02 13:07:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2018-10-02 13:07:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 13:07:14,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:14,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:07:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:20,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:20,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2018-10-02 13:07:20,321 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2018-10-02 13:07:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 13:07:20,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:20,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:07:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2018-10-02 13:07:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-10-02 13:07:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 13:07:26,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:26,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:07:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2018-10-02 13:07:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2018-10-02 13:07:33,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 13:07:33,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:33,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:07:34,285 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:41,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2018-10-02 13:07:41,021 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2018-10-02 13:07:41,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-02 13:07:41,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:41,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:07:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:48,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 64 states and 93 transitions. [2018-10-02 13:07:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2018-10-02 13:07:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-02 13:07:48,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:48,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:07:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:07:56,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:07:56,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 96 transitions. [2018-10-02 13:07:56,587 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2018-10-02 13:07:56,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-02 13:07:56,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:07:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:07:56,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:07:56,867 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:05,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2018-10-02 13:08:05,392 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2018-10-02 13:08:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-02 13:08:05,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:05,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:08:05,662 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:14,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2018-10-02 13:08:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2018-10-02 13:08:14,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-02 13:08:14,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:14,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:08:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:24,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:24,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2018-10-02 13:08:24,936 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2018-10-02 13:08:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 13:08:24,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:25,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:08:25,226 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-10-02 13:08:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-10-02 13:08:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-02 13:08:35,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:35,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:08:35,349 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-10-02 13:08:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-10-02 13:08:45,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-02 13:08:45,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:45,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:08:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:08:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:08:57,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-10-02 13:08:57,062 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-10-02 13:08:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-02 13:08:57,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:08:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:08:57,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:08:57,609 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:09,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2018-10-02 13:09:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2018-10-02 13:09:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-02 13:09:09,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:09,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:09:10,681 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 120 transitions. [2018-10-02 13:09:22,866 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2018-10-02 13:09:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-02 13:09:22,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:22,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:09:23,229 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:36,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 123 transitions. [2018-10-02 13:09:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2018-10-02 13:09:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 13:09:36,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:36,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:09:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:51,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 126 transitions. [2018-10-02 13:09:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2018-10-02 13:09:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 13:09:51,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:51,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:09:52,110 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:10:07,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-10-02 13:10:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-10-02 13:10:07,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 13:10:07,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:07,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:10:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:10:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:23,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2018-10-02 13:10:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2018-10-02 13:10:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 13:10:23,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:23,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 13:10:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown