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 0.1.23-9f4048f [2018-10-04 13:07:44,091 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:07:44,093 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:07:44,114 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:07:44,115 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:07:44,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:07:44,118 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:07:44,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:07:44,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:07:44,131 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:07:44,132 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:07:44,132 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:07:44,133 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:07:44,138 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:07:44,141 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:07:44,142 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:07:44,142 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:07:44,144 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:07:44,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:07:44,149 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:07:44,150 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:07:44,155 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:07:44,159 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:07:44,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:07:44,162 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:07:44,163 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:07:44,164 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:07:44,165 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:07:44,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:07:44,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:07:44,170 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:07:44,171 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:07:44,171 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:07:44,171 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:07:44,173 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:07:44,174 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:07:44,174 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 [2018-10-04 13:07:44,201 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:07:44,201 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:07:44,203 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:07:44,203 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:07:44,204 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:07:44,205 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:07:44,205 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:07:44,205 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:07:44,205 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:07:44,206 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:07:44,206 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:07:44,206 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:07:44,206 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:07:44,207 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:07:44,207 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:07:44,207 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:07:44,207 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:07:44,208 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:07:44,208 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:07:44,208 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:07:44,208 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:07:44,209 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:07:44,209 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:07:44,209 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:07:44,209 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:07:44,209 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:07:44,210 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:07:44,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:07:44,210 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:07:44,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:07:44,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:07:44,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:07:44,300 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:07:44,301 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:07:44,302 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-10-04 13:07:44,302 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-10-04 13:07:44,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:07:44,363 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:07:44,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:07:44,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:07:44,364 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:07:44,387 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,399 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:07:44,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:07:44,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:07:44,409 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:07:44,421 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,422 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,422 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,424 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,427 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,431 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,432 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:07:44,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:07:44,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:07:44,436 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:07:44,437 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 04.10 01:07:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:07:44,517 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-04 13:07:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:07:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:07:44,674 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:07:44,674 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:07:44 BoogieIcfgContainer [2018-10-04 13:07:44,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:07:44,675 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:07:44,675 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:07:44,687 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:07:44,687 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 04.10 01:07:44" (1/1) ... [2018-10-04 13:07:44,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:07:44,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 13:07:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 13:07:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:07:44,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:44,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:45,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2018-10-04 13:07:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2018-10-04 13:07:45,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:07:45,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:45,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:45,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:45,463 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 12 [2018-10-04 13:07:45,990 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-04 13:07:46,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:46,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 13:07:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 13:07:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:07:46,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:46,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:46,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:46,648 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-10-04 13:07:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:46,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-04 13:07:46,914 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-04 13:07:46,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:07:46,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:46,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:47,653 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-04 13:07:47,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:47,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 13:07:47,774 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 13:07:47,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:07:47,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:47,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:48,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:48,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-10-04 13:07:48,512 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-10-04 13:07:48,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:07:48,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:48,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:49,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-04 13:07:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-04 13:07:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:07:49,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:49,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-10-04 13:07:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-10-04 13:07:50,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:07:50,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:50,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-10-04 13:07:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-10-04 13:07:51,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:07:51,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:51,282 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:52,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-10-04 13:07:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-10-04 13:07:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:07:52,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:52,232 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:52,375 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:54,427 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-10-04 13:07:54,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-10-04 13:07:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-10-04 13:07:54,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:07:54,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:54,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:55,516 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 10 [2018-10-04 13:07:57,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-10-04 13:07:57,038 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-10-04 13:07:57,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:07:57,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:57,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:57,295 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-10-04 13:07:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-10-04 13:07:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:07:58,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:07:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:07:58,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:07:58,673 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:07:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:07:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-10-04 13:07:59,999 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-10-04 13:08:00,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:08:00,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:00,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:01,175 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-04 13:08:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-10-04 13:08:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-10-04 13:08:01,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:08:01,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:01,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:02,902 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 13:08:03,370 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-04 13:08:03,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:03,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-10-04 13:08:03,574 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-10-04 13:08:03,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:08:03,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:03,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:03,806 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:04,813 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 13:08:05,284 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-04 13:08:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-10-04 13:08:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-10-04 13:08:05,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:08:05,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:05,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:06,836 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 13:08:07,354 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 13:08:07,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:07,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-10-04 13:08:07,512 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-10-04 13:08:07,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:08:07,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:07,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:08,982 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 13:08:09,605 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-04 13:08:09,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:09,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-10-04 13:08:09,744 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-10-04 13:08:09,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:08:09,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:09,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:10,152 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:12,052 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-04 13:08:12,689 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 13:08:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2018-10-04 13:08:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2018-10-04 13:08:12,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:08:12,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:12,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:14,625 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 13:08:15,432 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-04 13:08:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2018-10-04 13:08:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2018-10-04 13:08:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:08:15,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:15,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:17,579 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-04 13:08:18,259 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-04 13:08:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:18,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2018-10-04 13:08:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2018-10-04 13:08:18,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:08:18,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:18,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:18,799 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:20,101 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-04 13:08:20,833 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 13:08:21,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:21,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2018-10-04 13:08:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2018-10-04 13:08:21,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:08:21,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:21,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:23,261 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 13:08:24,063 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 13:08:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2018-10-04 13:08:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2018-10-04 13:08:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:08:24,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:24,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:24,639 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:26,115 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 13:08:27,042 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-10-04 13:08:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:27,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2018-10-04 13:08:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2018-10-04 13:08:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:08:27,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:27,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:27,696 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:29,234 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 13:08:30,174 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-04 13:08:30,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:30,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2018-10-04 13:08:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2018-10-04 13:08:30,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:08:30,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:30,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:30,846 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:32,729 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-04 13:08:33,719 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 13:08:33,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:33,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2018-10-04 13:08:33,940 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2018-10-04 13:08:33,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:08:33,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:33,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:36,353 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-10-04 13:08:37,561 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-10-04 13:08:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2018-10-04 13:08:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2018-10-04 13:08:37,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:08:37,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:37,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:40,102 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-10-04 13:08:41,186 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-10-04 13:08:41,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2018-10-04 13:08:41,429 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2018-10-04 13:08:41,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:08:41,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:41,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:44,212 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-04 13:08:45,359 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-04 13:08:45,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2018-10-04 13:08:45,628 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-10-04 13:08:45,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:08:45,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:45,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:48,271 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-10-04 13:08:49,469 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-10-04 13:08:49,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2018-10-04 13:08:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2018-10-04 13:08:49,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:08:49,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:49,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:53,598 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-10-04 13:08:54,867 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-04 13:08:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2018-10-04 13:08:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2018-10-04 13:08:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:08:55,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:55,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:08:55,693 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:08:57,260 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 13 [2018-10-04 13:08:58,021 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-10-04 13:08:59,353 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-10-04 13:08:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:08:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 64 states and 93 transitions. [2018-10-04 13:08:59,679 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2018-10-04 13:08:59,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:08:59,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:08:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:08:59,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:00,271 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:02,595 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-10-04 13:09:03,963 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-10-04 13:09:04,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 96 transitions. [2018-10-04 13:09:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2018-10-04 13:09:04,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:09:04,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:04,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:07,234 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-10-04 13:09:09,000 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-04 13:09:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2018-10-04 13:09:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2018-10-04 13:09:09,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:09:09,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:09,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:09,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:12,398 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-10-04 13:09:14,088 WARN L178 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-10-04 13:09:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2018-10-04 13:09:14,445 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2018-10-04 13:09:14,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:09:14,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:14,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:15,074 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:17,819 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-10-04 13:09:19,448 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-10-04 13:09:20,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:20,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2018-10-04 13:09:20,117 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2018-10-04 13:09:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:09:20,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:20,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:24,152 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-04 13:09:25,820 WARN L178 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-10-04 13:09:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:26,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-10-04 13:09:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-10-04 13:09:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:09:26,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:26,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:29,829 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-10-04 13:09:31,557 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-10-04 13:09:31,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:31,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-10-04 13:09:31,974 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-10-04 13:09:31,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:09:31,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:32,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:34,881 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 13 [2018-10-04 13:09:35,764 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-10-04 13:09:37,568 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-04 13:09:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-10-04 13:09:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-10-04 13:09:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:09:38,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:38,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:38,871 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:40,953 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 13 [2018-10-04 13:09:41,892 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-10-04 13:09:43,932 WARN L178 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-10-04 13:09:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2018-10-04 13:09:44,387 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2018-10-04 13:09:44,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:09:44,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:44,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:47,417 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 13 [2018-10-04 13:09:48,465 WARN L178 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2018-10-04 13:09:50,515 WARN L178 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-10-04 13:09:50,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 120 transitions. [2018-10-04 13:09:50,975 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2018-10-04 13:09:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:09:50,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:51,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:51,865 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:09:54,161 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 13 [2018-10-04 13:09:55,129 WARN L178 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-10-04 13:09:57,194 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-10-04 13:09:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:09:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 123 transitions. [2018-10-04 13:09:57,659 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2018-10-04 13:09:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:09:57,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:09:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:09:57,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:09:58,921 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:01,249 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 13 [2018-10-04 13:10:02,281 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-10-04 13:10:04,455 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-10-04 13:10:04,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:04,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 126 transitions. [2018-10-04 13:10:04,943 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2018-10-04 13:10:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:10:04,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:05,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:10:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:08,234 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 13 [2018-10-04 13:10:09,341 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-10-04 13:10:11,526 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-10-04 13:10:12,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-10-04 13:10:12,015 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-10-04 13:10:12,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:10:12,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:12,126 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:10:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:15,649 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 13 [2018-10-04 13:10:16,725 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-04 13:10:19,027 WARN L178 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-04 13:10:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2018-10-04 13:10:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2018-10-04 13:10:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:10:19,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:19,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:10:21,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:24,372 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 13 [2018-10-04 13:10:25,485 WARN L178 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-10-04 13:10:27,817 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-10-04 13:10:28,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:28,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2018-10-04 13:10:28,398 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2018-10-04 13:10:28,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:10:28,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:28,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:10:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:32,660 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 13 [2018-10-04 13:10:33,829 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-10-04 13:10:36,274 WARN L178 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-04 13:10:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:36,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 94 states and 138 transitions. [2018-10-04 13:10:36,825 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2018-10-04 13:10:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:10:36,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:36,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:10:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:40,654 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 13 [2018-10-04 13:10:41,858 WARN L178 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-10-04 13:10:44,355 WARN L178 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-10-04 13:10:44,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 96 states and 141 transitions. [2018-10-04 13:10:44,977 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2018-10-04 13:10:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:10:44,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:45,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:10:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:48,793 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 13 [2018-10-04 13:10:50,149 WARN L178 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-10-04 13:10:52,787 WARN L178 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-10-04 13:10:53,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:10:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 98 states and 144 transitions. [2018-10-04 13:10:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2018-10-04 13:10:53,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:10:53,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:10:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:10:53,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:10:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:10:57,479 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 13 [2018-10-04 13:10:58,743 WARN L178 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-10-04 13:11:01,543 WARN L178 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-10-04 13:11:02,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:02,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 100 states and 147 transitions. [2018-10-04 13:11:02,161 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2018-10-04 13:11:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:11:02,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:02,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:11:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:06,859 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 13 [2018-10-04 13:11:08,203 WARN L178 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-10-04 13:11:10,971 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2018-10-04 13:11:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2018-10-04 13:11:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2018-10-04 13:11:11,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:11:11,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:11,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:11:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:16,000 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 13 [2018-10-04 13:11:17,376 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-10-04 13:11:20,292 WARN L178 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-10-04 13:11:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 104 states and 153 transitions. [2018-10-04 13:11:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2018-10-04 13:11:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:11:20,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:21,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:11:22,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:25,244 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 13 [2018-10-04 13:11:26,873 WARN L178 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-10-04 13:11:29,889 WARN L178 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-10-04 13:11:30,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 106 states and 156 transitions. [2018-10-04 13:11:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 156 transitions. [2018-10-04 13:11:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:11:30,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:30,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:11:31,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:35,144 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 13 [2018-10-04 13:11:36,693 WARN L178 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2018-10-04 13:11:39,868 WARN L178 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-10-04 13:11:40,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:40,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 159 transitions. [2018-10-04 13:11:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2018-10-04 13:11:40,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:11:40,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:40,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:11:42,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:45,364 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 13 [2018-10-04 13:11:46,935 WARN L178 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-10-04 13:11:50,125 WARN L178 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-04 13:11:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:11:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 110 states and 162 transitions. [2018-10-04 13:11:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 162 transitions. [2018-10-04 13:11:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:11:50,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:11:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:11:51,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:11:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:11:55,762 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 13 [2018-10-04 13:11:57,430 WARN L178 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-10-04 13:12:00,802 WARN L178 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2018-10-04 13:12:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:12:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2018-10-04 13:12:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2018-10-04 13:12:01,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:12:01,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:12:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:12:01,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:12:02,845 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... [2018-10-04 13:12:06,444 WARN L186 SmtUtils]: Removed 8 from assertion stack [2018-10-04 13:12:06,445 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:12:06,447 INFO L168 Benchmark]: Toolchain (without parser) took 262085.90 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 157.8 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -72.8 MB). Peak memory consumption was 781.2 MB. Max. memory is 7.1 GB. [2018-10-04 13:12:06,448 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. [2018-10-04 13:12:06,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.85 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. [2018-10-04 13:12:06,449 INFO L168 Benchmark]: Boogie Preprocessor took 26.13 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. [2018-10-04 13:12:06,449 INFO L168 Benchmark]: RCFGBuilder took 239.52 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. [2018-10-04 13:12:06,450 INFO L168 Benchmark]: CodeCheck took 261770.88 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 157.8 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -94.0 MB). Peak memory consumption was 760.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:12:06,453 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 PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 388. * 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 44.85 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 26.13 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 239.52 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 261770.88 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 157.8 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -94.0 MB). Peak memory consumption was 760.1 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-0-2018-10-04_13-12-06-466.csv Completed graceful shutdown