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-d19836b [2018-09-26 22:08:14,213 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:08:14,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:08:14,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:08:14,228 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:08:14,229 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:08:14,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:08:14,232 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:08:14,233 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:08:14,234 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:08:14,235 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:08:14,235 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:08:14,236 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:08:14,237 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:08:14,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:08:14,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:08:14,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:08:14,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:08:14,243 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:08:14,245 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:08:14,246 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:08:14,247 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:08:14,250 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:08:14,250 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:08:14,250 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:08:14,253 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:08:14,254 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:08:14,254 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:08:14,255 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:08:14,258 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:08:14,258 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:08:14,260 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:08:14,260 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:08:14,260 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:08:14,261 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:08:14,262 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:08:14,262 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 [2018-09-26 22:08:14,293 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:08:14,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:08:14,294 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:08:14,294 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:08:14,295 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:08:14,295 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:08:14,295 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:08:14,295 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:08:14,300 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:08:14,300 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:08:14,300 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:08:14,300 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:08:14,300 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:08:14,300 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:08:14,301 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:08:14,301 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:08:14,301 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:08:14,301 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:08:14,303 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:08:14,303 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:08:14,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:08:14,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:08:14,304 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:08:14,304 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:08:14,304 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:08:14,304 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:08:14,304 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:08:14,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:08:14,305 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:08:14,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:08:14,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:08:14,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:08:14,365 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:08:14,365 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:08:14,366 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-09-26 22:08:14,367 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-09-26 22:08:14,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:08:14,426 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:08:14,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:08:14,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:08:14,427 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:08:14,447 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,460 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:08:14,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:08:14,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:08:14,468 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:08:14,479 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,479 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,480 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,480 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,483 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,486 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,487 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:08:14,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:08:14,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:08:14,490 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:08:14,491 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 26.09 10:08:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:08:14,571 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 22:08:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:08:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:08:14,851 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:08:14,852 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:08:14 BoogieIcfgContainer [2018-09-26 22:08:14,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:08:14,853 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:08:14,853 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:08:14,864 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:08:14,865 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 26.09 10:08:14" (1/1) ... [2018-09-26 22:08:14,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:08:14,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:08:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:08:14,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:08:14,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:15,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2018-09-26 22:08:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2018-09-26 22:08:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:08:15,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:15,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:16,337 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-26 22:08:16,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:16,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-26 22:08:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-26 22:08:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:08:16,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:16,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:17,048 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-09-26 22:08:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:17,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 22:08:17,361 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 22:08:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:08:17,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:17,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:18,101 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-26 22:08:18,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-26 22:08:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-26 22:08:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:08:18,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:18,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:18,319 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-09-26 22:08:18,843 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-09-26 22:08:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:08:18,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:18,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:19,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:19,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-09-26 22:08:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-09-26 22:08:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:08:19,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:19,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:20,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-09-26 22:08:20,692 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-09-26 22:08:20,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:08:20,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:20,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:20,906 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-09-26 22:08:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-09-26 22:08:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:08:21,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:21,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:21,947 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:22,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-09-26 22:08:22,714 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-09-26 22:08:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:08:22,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:22,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:25,420 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-09-26 22:08:25,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:25,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-09-26 22:08:25,483 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-09-26 22:08:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:08:25,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:25,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:26,684 WARN L178 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-09-26 22:08:28,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:28,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-09-26 22:08:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-09-26 22:08:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:28,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:28,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:29,794 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-09-26 22:08:29,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-09-26 22:08:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-09-26 22:08:29,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:08:29,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:29,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:30,102 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:31,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-09-26 22:08:31,474 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-09-26 22:08:31,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:08:31,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:31,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:32,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:32,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-09-26 22:08:32,922 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-09-26 22:08:32,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:08:32,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:32,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:34,155 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-26 22:08:34,595 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-26 22:08:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-09-26 22:08:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-09-26 22:08:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:08:34,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:34,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:36,055 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-26 22:08:36,636 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-26 22:08:36,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-09-26 22:08:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-09-26 22:08:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:08:36,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:36,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:37,946 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-26 22:08:38,483 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-26 22:08:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:38,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-09-26 22:08:38,663 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-09-26 22:08:38,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:08:38,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:38,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:40,258 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 22:08:40,822 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 22:08:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-09-26 22:08:40,960 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-09-26 22:08:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:08:40,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:40,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:43,759 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-26 22:08:44,377 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 22:08:44,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2018-09-26 22:08:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2018-09-26 22:08:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:08:44,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:44,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:46,519 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 22:08:47,337 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-26 22:08:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2018-09-26 22:08:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2018-09-26 22:08:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:08:47,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:47,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:48,090 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:49,331 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-26 22:08:50,052 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-26 22:08:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2018-09-26 22:08:50,291 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2018-09-26 22:08:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:08:50,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:50,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:51,979 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-26 22:08:52,807 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 22:08:53,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:53,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2018-09-26 22:08:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2018-09-26 22:08:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:08:53,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:53,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:53,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:54,813 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-26 22:08:55,666 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-26 22:08:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:55,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2018-09-26 22:08:55,860 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2018-09-26 22:08:55,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:08:55,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:55,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:57,682 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-26 22:08:58,534 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-26 22:08:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:58,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2018-09-26 22:08:58,742 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2018-09-26 22:08:58,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:08:58,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:58,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:08:59,216 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:01,016 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-26 22:09:01,966 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 22:09:02,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:02,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2018-09-26 22:09:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2018-09-26 22:09:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:09:02,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:02,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:02,605 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:04,219 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-26 22:09:05,174 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-26 22:09:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2018-09-26 22:09:05,444 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2018-09-26 22:09:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:09:05,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:05,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:07,787 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-26 22:09:08,798 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-26 22:09:09,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:09,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2018-09-26 22:09:09,042 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2018-09-26 22:09:09,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:09:09,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:09,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:11,439 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-09-26 22:09:12,575 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 22:09:12,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2018-09-26 22:09:12,829 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2018-09-26 22:09:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:09:12,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:12,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:15,272 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-26 22:09:16,456 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-26 22:09:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:16,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2018-09-26 22:09:16,840 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-09-26 22:09:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:09:16,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:16,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:19,516 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-26 22:09:20,765 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-26 22:09:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:21,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2018-09-26 22:09:21,108 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2018-09-26 22:09:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:09:21,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:21,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:24,853 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-26 22:09:26,174 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-26 22:09:26,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:26,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2018-09-26 22:09:26,481 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2018-09-26 22:09:26,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:09:26,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:26,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:29,220 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-26 22:09:30,574 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 22:09:30,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 64 states and 93 transitions. [2018-09-26 22:09:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2018-09-26 22:09:30,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:09:30,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:30,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:33,840 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-26 22:09:35,318 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-26 22:09:35,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 96 transitions. [2018-09-26 22:09:35,673 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2018-09-26 22:09:35,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:09:35,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:35,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:38,796 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-26 22:09:40,255 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-26 22:09:40,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2018-09-26 22:09:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2018-09-26 22:09:40,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:09:40,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:40,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:43,902 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-09-26 22:09:45,423 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-26 22:09:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2018-09-26 22:09:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2018-09-26 22:09:45,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:09:45,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:45,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:49,227 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-09-26 22:09:50,859 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-09-26 22:09:51,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2018-09-26 22:09:51,521 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2018-09-26 22:09:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:09:51,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:51,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:55,338 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-26 22:09:57,052 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-26 22:09:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:57,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-09-26 22:09:57,449 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-09-26 22:09:57,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:09:57,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:57,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:09:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:00,925 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-26 22:10:02,728 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-09-26 22:10:03,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-09-26 22:10:03,154 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-09-26 22:10:03,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:10:03,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:03,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:10:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:06,124 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 13 [2018-09-26 22:10:07,083 WARN L178 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-09-26 22:10:09,021 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 22:10:09,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-09-26 22:10:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-09-26 22:10:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:10:09,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:09,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:10:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:12,315 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 13 [2018-09-26 22:10:13,230 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-26 22:10:15,144 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-26 22:10:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2018-09-26 22:10:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2018-09-26 22:10:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 22:10:15,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:15,689 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:10:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:19,475 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 13 [2018-09-26 22:10:20,415 WARN L178 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2018-09-26 22:10:22,518 WARN L178 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-26 22:10:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 120 transitions. [2018-09-26 22:10:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2018-09-26 22:10:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:10:22,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:23,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:10:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:26,172 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 13 [2018-09-26 22:10:27,180 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-26 22:10:29,356 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-26 22:10:29,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:29,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 123 transitions. [2018-09-26 22:10:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2018-09-26 22:10:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:10:29,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:29,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:10:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:34,281 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 13 [2018-09-26 22:10:35,306 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-09-26 22:10:37,456 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-09-26 22:10:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 126 transitions. [2018-09-26 22:10:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2018-09-26 22:10:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:10:37,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:38,076 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:10:38,809 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:41,207 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 13 [2018-09-26 22:10:42,285 WARN L178 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-09-26 22:10:44,649 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-26 22:10:45,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:45,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-09-26 22:10:45,156 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-09-26 22:10:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 22:10:45,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:45,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:10:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:48,560 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 13 [2018-09-26 22:10:49,684 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-26 22:10:51,973 WARN L178 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-26 22:10:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2018-09-26 22:10:52,503 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2018-09-26 22:10:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:10:52,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:52,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:10:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:56,101 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 13 [2018-09-26 22:10:57,239 WARN L178 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-09-26 22:10:59,619 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-26 22:11:00,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2018-09-26 22:11:00,197 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2018-09-26 22:11:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 22:11:00,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:00,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:11:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:03,778 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 13 [2018-09-26 22:11:04,939 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-26 22:11:07,358 WARN L178 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-26 22:11:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 94 states and 138 transitions. [2018-09-26 22:11:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2018-09-26 22:11:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:11:07,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:08,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:11:09,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:11,893 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 13 [2018-09-26 22:11:13,088 WARN L178 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-26 22:11:15,726 WARN L178 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-09-26 22:11:16,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 96 states and 141 transitions. [2018-09-26 22:11:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2018-09-26 22:11:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 22:11:16,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:16,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:11:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:20,367 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 13 [2018-09-26 22:11:21,621 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-09-26 22:11:24,273 WARN L178 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-09-26 22:11:24,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 98 states and 144 transitions. [2018-09-26 22:11:24,875 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2018-09-26 22:11:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:11:24,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:24,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:11:25,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:28,763 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 13 [2018-09-26 22:11:30,179 WARN L178 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-26 22:11:32,840 WARN L178 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-26 22:11:33,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:33,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 100 states and 147 transitions. [2018-09-26 22:11:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2018-09-26 22:11:33,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 22:11:33,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:33,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:11:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:37,802 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 13 [2018-09-26 22:11:39,178 WARN L178 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-09-26 22:11:42,025 WARN L178 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2018-09-26 22:11:42,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:42,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2018-09-26 22:11:42,754 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2018-09-26 22:11:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:11:42,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:42,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:11:43,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:47,062 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 13 [2018-09-26 22:11:48,442 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-09-26 22:11:51,335 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-26 22:11:52,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:52,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 104 states and 153 transitions. [2018-09-26 22:11:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2018-09-26 22:11:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 22:11:52,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:52,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:11:53,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:56,472 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 13 [2018-09-26 22:11:57,893 WARN L178 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 22:12:00,842 WARN L178 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-09-26 22:12:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 106 states and 156 transitions. [2018-09-26 22:12:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 156 transitions. [2018-09-26 22:12:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:12:01,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:01,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:12:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:06,340 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 13 [2018-09-26 22:12:07,848 WARN L178 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2018-09-26 22:12:11,010 WARN L178 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-26 22:12:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:11,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 159 transitions. [2018-09-26 22:12:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2018-09-26 22:12:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 22:12:11,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:11,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:12:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:16,386 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 13 [2018-09-26 22:12:17,906 WARN L178 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-09-26 22:12:21,120 WARN L178 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-26 22:12:21,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 110 states and 162 transitions. [2018-09-26 22:12:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 162 transitions. [2018-09-26 22:12:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:12:21,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:21,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:12:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:26,542 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 13 [2018-09-26 22:12:28,089 WARN L178 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-26 22:12:31,418 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2018-09-26 22:12:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2018-09-26 22:12:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2018-09-26 22:12:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 22:12:32,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:32,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:12:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-26 22:12:35,688 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:12:35,690 INFO L168 Benchmark]: Toolchain (without parser) took 261267.00 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 141.6 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 341.6 MB). Peak memory consumption was 483.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:12:35,691 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:12:35,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:12:35,692 INFO L168 Benchmark]: Boogie Preprocessor took 21.65 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:12:35,693 INFO L168 Benchmark]: RCFGBuilder took 362.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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. [2018-09-26 22:12:35,693 INFO L168 Benchmark]: CodeCheck took 260836.90 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 141.6 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 320.4 MB). Peak memory consumption was 462.0 MB. Max. memory is 7.1 GB. [2018-09-26 22:12:35,696 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 666 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.65 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 362.71 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 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 260836.90 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 141.6 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 320.4 MB). Peak memory consumption was 462.0 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-0-2018-09-26_22-12-35-707.csv Completed graceful shutdown