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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 21:51:17,854 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 21:51:17,856 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 21:51:17,872 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 21:51:17,873 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 21:51:17,874 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 21:51:17,875 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 21:51:17,877 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 21:51:17,878 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 21:51:17,879 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 21:51:17,880 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 21:51:17,880 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 21:51:17,881 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 21:51:17,882 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 21:51:17,883 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 21:51:17,884 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 21:51:17,885 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 21:51:17,887 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 21:51:17,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 21:51:17,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 21:51:17,892 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 21:51:17,893 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 21:51:17,895 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 21:51:17,895 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 21:51:17,896 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 21:51:17,897 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 21:51:17,898 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 21:51:17,898 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 21:51:17,899 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 21:51:17,900 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 21:51:17,901 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 21:51:17,901 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 21:51:17,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 21:51:17,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 21:51:17,903 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 21:51:17,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 21:51:17,904 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-23 21:51:17,925 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 21:51:17,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 21:51:17,926 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 21:51:17,926 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 21:51:17,927 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 21:51:17,927 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 21:51:17,927 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 21:51:17,928 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 21:51:17,928 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 21:51:17,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 21:51:17,928 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 21:51:17,928 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 21:51:17,930 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 21:51:17,930 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 21:51:17,930 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 21:51:17,930 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 21:51:17,930 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 21:51:17,931 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 21:51:17,931 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 21:51:17,931 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 21:51:17,931 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 21:51:17,932 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:51:17,933 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 21:51:17,933 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 21:51:17,933 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 21:51:17,933 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 21:51:17,934 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 21:51:17,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 21:51:17,934 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 21:51:17,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 21:51:17,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 21:51:18,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 21:51:18,003 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 21:51:18,003 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 21:51:18,004 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-09-23 21:51:18,004 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-09-23 21:51:18,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 21:51:18,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 21:51:18,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 21:51:18,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 21:51:18,059 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 21:51:18,082 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,093 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 21:51:18,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 21:51:18,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 21:51:18,102 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 21:51:18,114 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,114 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,115 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,115 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,120 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,124 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,125 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 21:51:18,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 21:51:18,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 21:51:18,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 21:51:18,130 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 23.09 09:51:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:51:18,215 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-23 21:51:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 21:51:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 21:51:18,463 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 21:51:18,463 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:51:18 BoogieIcfgContainer [2018-09-23 21:51:18,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 21:51:18,464 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 21:51:18,464 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 21:51:18,474 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 21:51:18,475 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 23.09 09:51:18" (1/1) ... [2018-09-23 21:51:18,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 21:51:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-23 21:51:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-23 21:51:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-23 21:51:18,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:18,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:18,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2018-09-23 21:51:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2018-09-23 21:51:18,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-23 21:51:18,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:18,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:19,496 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 11 [2018-09-23 21:51:19,868 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-23 21:51:19,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:19,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-23 21:51:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-23 21:51:19,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 21:51:19,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:19,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:20,469 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-09-23 21:51:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-23 21:51:20,735 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-23 21:51:20,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 21:51:20,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:20,759 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:21,482 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-23 21:51:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:21,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-23 21:51:21,611 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-23 21:51:21,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 21:51:21,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:21,638 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-09-23 21:51:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-09-23 21:51:22,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 21:51:22,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:22,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:23,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-09-23 21:51:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-09-23 21:51:23,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 21:51:23,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:23,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:24,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-09-23 21:51:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-09-23 21:51:24,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:51:24,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:24,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:25,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-09-23 21:51:25,224 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-09-23 21:51:25,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-23 21:51:25,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:25,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:26,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-09-23 21:51:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-09-23 21:51:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:51:26,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:26,233 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:28,657 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-09-23 21:51:28,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:28,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-09-23 21:51:28,717 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-09-23 21:51:28,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-23 21:51:28,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:28,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:29,461 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-09-23 21:51:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-09-23 21:51:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:30,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:30,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-09-23 21:51:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-09-23 21:51:32,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:51:32,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:32,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:32,509 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:33,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-09-23 21:51:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-09-23 21:51:33,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 21:51:33,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:33,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:35,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-09-23 21:51:35,279 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-09-23 21:51:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:51:35,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:35,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:35,552 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:36,594 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-23 21:51:37,017 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-23 21:51:37,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-09-23 21:51:37,202 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-09-23 21:51:37,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:51:37,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:37,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:38,734 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-23 21:51:39,212 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-23 21:51:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-09-23 21:51:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-09-23 21:51:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 21:51:39,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:39,390 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:40,552 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-23 21:51:41,059 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-23 21:51:41,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:41,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-09-23 21:51:41,214 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-09-23 21:51:41,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 21:51:41,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:41,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:41,486 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:42,989 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-23 21:51:43,521 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-23 21:51:43,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:43,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-09-23 21:51:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-09-23 21:51:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-23 21:51:43,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:43,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:45,220 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-23 21:51:46,178 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-23 21:51:46,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2018-09-23 21:51:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2018-09-23 21:51:46,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 21:51:46,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:46,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:48,175 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-23 21:51:48,961 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-23 21:51:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:49,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2018-09-23 21:51:49,137 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2018-09-23 21:51:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-23 21:51:49,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:49,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:49,682 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:50,934 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-23 21:51:51,632 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-23 21:51:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2018-09-23 21:51:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2018-09-23 21:51:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 21:51:51,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:51,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:53,754 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-23 21:51:54,517 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-23 21:51:54,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:54,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2018-09-23 21:51:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2018-09-23 21:51:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-23 21:51:54,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:54,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:56,625 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-23 21:51:57,434 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-23 21:51:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:57,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2018-09-23 21:51:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2018-09-23 21:51:57,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 21:51:57,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:57,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:51:58,191 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:59,703 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-23 21:52:00,554 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-23 21:52:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:00,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2018-09-23 21:52:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2018-09-23 21:52:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-23 21:52:00,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:00,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:02,778 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-23 21:52:03,898 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-23 21:52:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:04,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2018-09-23 21:52:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2018-09-23 21:52:04,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 21:52:04,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:04,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:04,600 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:06,277 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-23 21:52:07,267 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-23 21:52:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2018-09-23 21:52:07,508 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2018-09-23 21:52:07,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-23 21:52:07,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:07,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:10,183 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-23 21:52:11,185 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-23 21:52:11,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2018-09-23 21:52:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2018-09-23 21:52:11,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 21:52:11,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:11,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:13,276 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 13 [2018-09-23 21:52:13,931 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-09-23 21:52:15,032 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-23 21:52:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2018-09-23 21:52:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2018-09-23 21:52:15,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-23 21:52:15,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:15,337 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:17,945 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-23 21:52:19,152 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-23 21:52:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2018-09-23 21:52:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-09-23 21:52:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 21:52:19,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:19,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:22,032 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-23 21:52:23,250 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-23 21:52:23,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:23,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2018-09-23 21:52:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2018-09-23 21:52:23,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-23 21:52:23,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:23,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:27,291 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-23 21:52:28,650 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-23 21:52:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2018-09-23 21:52:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2018-09-23 21:52:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 21:52:28,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:29,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:31,672 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-23 21:52:33,023 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-23 21:52:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 64 states and 93 transitions. [2018-09-23 21:52:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2018-09-23 21:52:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-23 21:52:33,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:33,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:34,125 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:36,362 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-23 21:52:37,729 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-23 21:52:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:38,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 96 transitions. [2018-09-23 21:52:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2018-09-23 21:52:38,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 21:52:38,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:38,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:41,370 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-23 21:52:42,850 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-23 21:52:43,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:43,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2018-09-23 21:52:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2018-09-23 21:52:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-23 21:52:43,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:43,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:46,285 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-09-23 21:52:47,863 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-23 21:52:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:48,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2018-09-23 21:52:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2018-09-23 21:52:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 21:52:48,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:48,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:51,640 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-09-23 21:52:53,213 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-09-23 21:52:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:53,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2018-09-23 21:52:53,889 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2018-09-23 21:52:53,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-23 21:52:53,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:53,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:52:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:57,720 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-23 21:52:59,466 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-23 21:52:59,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:59,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-09-23 21:52:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-09-23 21:52:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 21:52:59,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:59,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:53:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:03,349 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-23 21:53:05,162 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-09-23 21:53:05,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-09-23 21:53:05,581 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-09-23 21:53:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-23 21:53:05,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:05,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:53:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:08,830 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 13 [2018-09-23 21:53:09,809 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-09-23 21:53:11,584 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-23 21:53:12,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-09-23 21:53:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-09-23 21:53:12,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 21:53:12,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:12,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:53:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:15,074 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 13 [2018-09-23 21:53:15,985 WARN L178 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-23 21:53:17,958 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-23 21:53:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2018-09-23 21:53:18,394 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2018-09-23 21:53:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-23 21:53:18,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:18,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:53:19,312 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:21,795 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 13 [2018-09-23 21:53:22,784 WARN L178 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2018-09-23 21:53:24,756 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-23 21:53:25,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:25,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 120 transitions. [2018-09-23 21:53:25,249 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2018-09-23 21:53:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 21:53:25,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:25,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:53:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:28,298 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 13 [2018-09-23 21:53:29,290 WARN L178 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-23 21:53:31,377 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-23 21:53:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 123 transitions. [2018-09-23 21:53:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2018-09-23 21:53:31,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-23 21:53:31,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:31,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:53:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:36,337 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 13 [2018-09-23 21:53:37,365 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-09-23 21:53:39,522 WARN L178 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-09-23 21:53:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:40,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 126 transitions. [2018-09-23 21:53:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2018-09-23 21:53:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 21:53:40,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:40,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:53:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:43,423 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 13 [2018-09-23 21:53:44,476 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-09-23 21:53:46,694 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-23 21:53:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-09-23 21:53:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-09-23 21:53:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-23 21:53:47,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:47,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:53:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:50,574 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 13 [2018-09-23 21:53:51,765 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-23 21:53:54,236 WARN L178 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-23 21:53:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2018-09-23 21:53:54,812 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2018-09-23 21:53:54,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 21:53:54,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:54,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:53:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:58,457 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 13 [2018-09-23 21:53:59,587 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-09-23 21:54:02,020 WARN L178 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-23 21:54:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2018-09-23 21:54:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2018-09-23 21:54:02,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-23 21:54:02,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:02,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:54:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:06,206 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 13 [2018-09-23 21:54:07,371 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-23 21:54:09,877 WARN L178 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-23 21:54:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 94 states and 138 transitions. [2018-09-23 21:54:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2018-09-23 21:54:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 21:54:10,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:10,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:54:11,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:14,227 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 13 [2018-09-23 21:54:15,457 WARN L178 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-23 21:54:18,071 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-09-23 21:54:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 96 states and 141 transitions. [2018-09-23 21:54:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2018-09-23 21:54:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-23 21:54:18,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:18,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:54:19,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:22,696 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 13 [2018-09-23 21:54:23,946 WARN L178 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-09-23 21:54:26,637 WARN L178 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-09-23 21:54:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 98 states and 144 transitions. [2018-09-23 21:54:27,275 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2018-09-23 21:54:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 21:54:27,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:27,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:54:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:31,112 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 13 [2018-09-23 21:54:32,560 WARN L178 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-23 21:54:35,273 WARN L178 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-23 21:54:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 100 states and 147 transitions. [2018-09-23 21:54:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2018-09-23 21:54:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-23 21:54:35,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:36,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:54:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:40,465 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 13 [2018-09-23 21:54:41,893 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-09-23 21:54:44,696 WARN L178 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2018-09-23 21:54:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:45,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2018-09-23 21:54:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2018-09-23 21:54:45,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 21:54:45,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:45,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:54:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:49,743 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 13 [2018-09-23 21:54:51,139 WARN L178 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-09-23 21:54:54,123 WARN L178 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-23 21:54:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 104 states and 153 transitions. [2018-09-23 21:54:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2018-09-23 21:54:54,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-23 21:54:54,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:54,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:54:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:59,178 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 13 [2018-09-23 21:55:00,589 WARN L178 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-23 21:55:03,566 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-09-23 21:55:04,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 106 states and 156 transitions. [2018-09-23 21:55:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 156 transitions. [2018-09-23 21:55:04,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 21:55:04,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:04,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:55:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:09,055 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 13 [2018-09-23 21:55:10,614 WARN L178 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2018-09-23 21:55:13,804 WARN L178 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-23 21:55:14,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:14,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 159 transitions. [2018-09-23 21:55:14,537 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2018-09-23 21:55:14,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-23 21:55:14,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:14,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:55:15,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:19,370 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 13 [2018-09-23 21:55:20,848 WARN L178 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-09-23 21:55:24,086 WARN L178 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-23 21:55:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:24,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 110 states and 162 transitions. [2018-09-23 21:55:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 162 transitions. [2018-09-23 21:55:24,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 21:55:24,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:24,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:55:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:29,634 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 13 [2018-09-23 21:55:31,189 WARN L178 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-23 21:55:34,540 WARN L178 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2018-09-23 21:55:35,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:35,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2018-09-23 21:55:35,301 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2018-09-23 21:55:35,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-23 21:55:35,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:35,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:55:36,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:40,294 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 13 Received shutdown request... [2018-09-23 21:55:41,096 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 21:55:41,098 INFO L168 Benchmark]: Toolchain (without parser) took 263042.80 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 40.4 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 288.5 MB). Peak memory consumption was 328.9 MB. Max. memory is 7.1 GB. [2018-09-23 21:55:41,099 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 21:55:41,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 21:55:41,100 INFO L168 Benchmark]: Boogie Preprocessor took 26.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 21:55:41,100 INFO L168 Benchmark]: RCFGBuilder took 335.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-23 21:55:41,101 INFO L168 Benchmark]: CodeCheck took 262633.57 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 40.4 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 267.3 MB). Peak memory consumption was 307.7 MB. Max. memory is 7.1 GB. [2018-09-23 21:55:41,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 669 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 335.87 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 262633.57 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 40.4 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 267.3 MB). Peak memory consumption was 307.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_21-55-41-114.csv Completed graceful shutdown