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 0.1.23-1cc990c [2018-09-30 21:01:36,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:01:36,071 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:01:36,084 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:01:36,084 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:01:36,086 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:01:36,087 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:01:36,089 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:01:36,091 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:01:36,093 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:01:36,094 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:01:36,094 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:01:36,095 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:01:36,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:01:36,100 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:01:36,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:01:36,102 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:01:36,106 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:01:36,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:01:36,112 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:01:36,113 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:01:36,118 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:01:36,123 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:01:36,123 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:01:36,124 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:01:36,125 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:01:36,125 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:01:36,126 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:01:36,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:01:36,131 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:01:36,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:01:36,132 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:01:36,132 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:01:36,132 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:01:36,133 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:01:36,137 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:01:36,137 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 [2018-09-30 21:01:36,168 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:01:36,169 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:01:36,170 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:01:36,170 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:01:36,171 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:01:36,171 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:01:36,171 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:01:36,171 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:01:36,173 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:01:36,173 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:01:36,173 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:01:36,173 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:01:36,173 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:01:36,173 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:01:36,174 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:01:36,174 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:01:36,174 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:01:36,174 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:01:36,176 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:01:36,176 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:01:36,176 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:01:36,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:01:36,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:01:36,177 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:01:36,177 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:01:36,177 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:01:36,177 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:01:36,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:01:36,178 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:01:36,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:01:36,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:01:36,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:01:36,239 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:01:36,241 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:01:36,241 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-09-30 21:01:36,242 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-09-30 21:01:36,291 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:01:36,294 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:01:36,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:36,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:01:36,295 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:01:36,317 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 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,329 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 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:01:36,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:01:36,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:01:36,338 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:01:36,350 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 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,350 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 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,351 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 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,351 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 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,354 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 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,356 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 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,357 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 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:01:36,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:01:36,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:01:36,359 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:01:36,361 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 30.09 09:01:36" (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 [2018-09-30 21:01:36,443 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 21:01:36,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:01:36,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:01:36,667 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:01:36,667 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:36 BoogieIcfgContainer [2018-09-30 21:01:36,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:01:36,668 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:01:36,668 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:01:36,680 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:01:36,681 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:01:36" (1/1) ... [2018-09-30 21:01:36,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:01:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 21:01:36,739 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 21:01:36,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 21:01:36,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:36,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2018-09-30 21:01:37,142 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2018-09-30 21:01:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:01:37,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:37,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:37,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:37,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:37,407 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 12 [2018-09-30 21:01:37,933 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-30 21:01:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 21:01:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 21:01:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:01:38,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:38,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:38,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:38,674 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-09-30 21:01:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 21:01:38,972 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 21:01:38,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:01:38,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:38,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:39,700 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-30 21:01:39,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:39,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 21:01:39,732 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 21:01:39,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:01:39,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:39,756 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:40,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:40,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-09-30 21:01:40,604 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-09-30 21:01:40,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:01:40,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:40,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:40,756 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-09-30 21:01:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-09-30 21:01:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:01:41,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:41,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:41,589 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:42,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:42,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-09-30 21:01:42,254 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-09-30 21:01:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:01:42,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:42,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:43,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-09-30 21:01:43,265 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-09-30 21:01:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:01:43,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:43,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:43,463 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:44,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-09-30 21:01:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-09-30 21:01:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:01:44,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:44,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:46,803 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-09-30 21:01:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:46,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-09-30 21:01:46,876 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-09-30 21:01:46,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:01:46,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:46,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:47,676 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:48,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:48,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-09-30 21:01:48,901 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-09-30 21:01:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:01:48,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:48,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:49,182 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:50,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:50,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-09-30 21:01:50,332 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-09-30 21:01:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:01:50,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:50,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:51,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-09-30 21:01:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-09-30 21:01:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:01:51,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:51,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-09-30 21:01:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-09-30 21:01:53,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:01:53,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:53,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:54,679 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-30 21:01:55,110 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-30 21:01:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-09-30 21:01:55,319 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-09-30 21:01:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:01:55,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:55,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:55,699 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:56,774 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-30 21:01:57,240 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-30 21:01:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-09-30 21:01:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-09-30 21:01:57,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 21:01:57,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:57,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:01:58,604 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-30 21:01:59,111 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-30 21:01:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:01:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-09-30 21:01:59,284 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-09-30 21:01:59,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:01:59,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:01:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:01:59,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:01:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:00,932 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-30 21:02:01,496 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-30 21:02:01,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-09-30 21:02:01,638 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-09-30 21:02:01,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:02:01,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:01,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:03,249 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-30 21:02:04,277 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-30 21:02:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2018-09-30 21:02:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2018-09-30 21:02:04,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:02:04,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:04,558 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:06,364 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-30 21:02:07,188 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-30 21:02:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2018-09-30 21:02:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2018-09-30 21:02:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 21:02:07,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:07,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:07,889 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:09,115 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-30 21:02:09,808 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-30 21:02:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:10,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2018-09-30 21:02:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2018-09-30 21:02:10,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:02:10,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:10,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:11,965 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-30 21:02:12,752 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-30 21:02:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2018-09-30 21:02:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2018-09-30 21:02:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 21:02:12,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:13,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:14,826 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-30 21:02:15,644 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-30 21:02:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:15,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2018-09-30 21:02:15,843 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2018-09-30 21:02:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:02:15,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:15,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:17,913 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-30 21:02:18,765 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-30 21:02:18,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2018-09-30 21:02:18,964 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2018-09-30 21:02:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 21:02:18,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:19,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:21,175 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-30 21:02:22,098 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-30 21:02:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2018-09-30 21:02:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2018-09-30 21:02:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:02:22,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:22,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:22,781 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:24,479 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-30 21:02:25,464 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-30 21:02:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:25,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2018-09-30 21:02:25,689 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2018-09-30 21:02:25,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:02:25,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:25,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:28,270 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-30 21:02:29,287 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-30 21:02:29,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2018-09-30 21:02:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2018-09-30 21:02:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:02:29,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:29,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:30,000 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:31,943 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-09-30 21:02:33,048 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-30 21:02:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2018-09-30 21:02:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2018-09-30 21:02:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 21:02:33,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:33,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:35,814 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-30 21:02:37,015 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-30 21:02:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2018-09-30 21:02:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-09-30 21:02:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:02:37,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:37,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:39,812 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-30 21:02:41,118 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-30 21:02:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2018-09-30 21:02:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2018-09-30 21:02:41,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:02:41,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:41,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:45,156 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-30 21:02:46,451 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-30 21:02:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2018-09-30 21:02:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2018-09-30 21:02:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:02:46,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:46,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:47,362 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:49,658 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-30 21:02:51,014 WARN L178 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-30 21:02:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 64 states and 93 transitions. [2018-09-30 21:02:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2018-09-30 21:02:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:02:51,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:51,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:54,360 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-30 21:02:55,748 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-30 21:02:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:02:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 96 transitions. [2018-09-30 21:02:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2018-09-30 21:02:56,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:02:56,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:02:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:02:56,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:02:56,796 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:02:59,319 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-30 21:03:00,792 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-30 21:03:01,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2018-09-30 21:03:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2018-09-30 21:03:01,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:03:01,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:01,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:04,415 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-09-30 21:03:05,919 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-30 21:03:06,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:06,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2018-09-30 21:03:06,289 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2018-09-30 21:03:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:03:06,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:06,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:06,927 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:08,836 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 13 [2018-09-30 21:03:09,613 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-09-30 21:03:11,190 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-09-30 21:03:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:11,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2018-09-30 21:03:11,849 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2018-09-30 21:03:11,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:03:11,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:11,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:15,516 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-30 21:03:17,172 WARN L178 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-30 21:03:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-09-30 21:03:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-09-30 21:03:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:03:17,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:17,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:20,301 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 13 [2018-09-30 21:03:21,161 WARN L178 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-30 21:03:22,985 WARN L178 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-09-30 21:03:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-09-30 21:03:23,404 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-09-30 21:03:23,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:03:23,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:23,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:26,151 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 13 [2018-09-30 21:03:27,046 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-09-30 21:03:28,982 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-30 21:03:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-09-30 21:03:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-09-30 21:03:29,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:03:29,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:29,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:32,234 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 13 [2018-09-30 21:03:33,214 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-30 21:03:35,149 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-30 21:03:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2018-09-30 21:03:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2018-09-30 21:03:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:03:35,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:35,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:38,990 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 13 [2018-09-30 21:03:39,947 WARN L178 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2018-09-30 21:03:41,915 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-30 21:03:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 120 transitions. [2018-09-30 21:03:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2018-09-30 21:03:42,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:03:42,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:42,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:43,351 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:45,630 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 13 [2018-09-30 21:03:46,618 WARN L178 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-30 21:03:48,731 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-30 21:03:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:49,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 123 transitions. [2018-09-30 21:03:49,208 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2018-09-30 21:03:49,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:03:49,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:49,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:50,282 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:03:52,637 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 13 [2018-09-30 21:03:53,766 WARN L178 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-09-30 21:03:55,924 WARN L178 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-09-30 21:03:56,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:03:56,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 126 transitions. [2018-09-30 21:03:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2018-09-30 21:03:56,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:03:56,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:03:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:03:56,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:03:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:00,393 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 13 [2018-09-30 21:04:01,491 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-09-30 21:04:03,816 WARN L178 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-30 21:04:04,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-09-30 21:04:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-09-30 21:04:04,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:04:04,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:04,431 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:04:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:07,610 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 13 [2018-09-30 21:04:08,838 WARN L178 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-30 21:04:11,143 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-30 21:04:11,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2018-09-30 21:04:11,651 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2018-09-30 21:04:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:04:11,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:11,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:04:13,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:16,520 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 13 [2018-09-30 21:04:17,665 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-09-30 21:04:20,059 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-30 21:04:20,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:20,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2018-09-30 21:04:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2018-09-30 21:04:20,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:04:20,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:20,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:04:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:24,279 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 13 [2018-09-30 21:04:25,450 WARN L178 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-30 21:04:27,897 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-30 21:04:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:28,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 94 states and 138 transitions. [2018-09-30 21:04:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2018-09-30 21:04:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:04:28,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:28,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:04:29,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:32,370 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 13 [2018-09-30 21:04:33,577 WARN L178 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-30 21:04:36,115 WARN L178 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-09-30 21:04:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 96 states and 141 transitions. [2018-09-30 21:04:36,734 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2018-09-30 21:04:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:04:36,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:36,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:04:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:40,690 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 13 [2018-09-30 21:04:41,953 WARN L178 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-09-30 21:04:44,708 WARN L178 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-09-30 21:04:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:45,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 98 states and 144 transitions. [2018-09-30 21:04:45,318 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2018-09-30 21:04:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:04:45,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:45,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:04:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:49,223 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 13 [2018-09-30 21:04:50,679 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-30 21:04:53,456 WARN L178 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-30 21:04:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:04:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 100 states and 147 transitions. [2018-09-30 21:04:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2018-09-30 21:04:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 21:04:54,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:04:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:04:54,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:04:55,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:04:58,453 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 13 [2018-09-30 21:04:59,844 WARN L178 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-09-30 21:05:02,786 WARN L178 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2018-09-30 21:05:03,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2018-09-30 21:05:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2018-09-30 21:05:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:05:03,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:03,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:05:04,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:07,816 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 13 [2018-09-30 21:05:09,159 WARN L178 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-09-30 21:05:12,090 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-30 21:05:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 104 states and 153 transitions. [2018-09-30 21:05:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2018-09-30 21:05:12,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 21:05:12,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:12,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:05:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:17,242 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 13 [2018-09-30 21:05:18,684 WARN L178 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-30 21:05:21,716 WARN L178 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-09-30 21:05:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 106 states and 156 transitions. [2018-09-30 21:05:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 156 transitions. [2018-09-30 21:05:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:05:22,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:22,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:05:23,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:27,082 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 13 [2018-09-30 21:05:28,569 WARN L178 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2018-09-30 21:05:31,642 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-30 21:05:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:32,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 159 transitions. [2018-09-30 21:05:32,318 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2018-09-30 21:05:32,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 21:05:32,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:32,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:05:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:37,104 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 13 [2018-09-30 21:05:38,688 WARN L178 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-09-30 21:05:41,941 WARN L178 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-30 21:05:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:42,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 110 states and 162 transitions. [2018-09-30 21:05:42,667 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 162 transitions. [2018-09-30 21:05:42,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:05:42,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:42,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:05:43,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:47,572 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 13 [2018-09-30 21:05:49,157 WARN L178 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-30 21:05:52,530 WARN L178 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2018-09-30 21:05:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:05:53,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2018-09-30 21:05:53,313 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2018-09-30 21:05:53,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 21:05:53,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:05:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:05:53,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:05:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:05:58,237 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 13 [2018-09-30 21:05:59,829 WARN L178 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 390 Received shutdown request... [2018-09-30 21:06:00,216 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:06:00,218 INFO L168 Benchmark]: Toolchain (without parser) took 263926.47 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.0 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 439.2 MB). Peak memory consumption was 547.3 MB. Max. memory is 7.1 GB. [2018-09-30 21:06:00,219 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-09-30 21:06:00,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.11 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. [2018-09-30 21:06:00,220 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 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. [2018-09-30 21:06:00,220 INFO L168 Benchmark]: RCFGBuilder took 308.51 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. [2018-09-30 21:06:00,221 INFO L168 Benchmark]: CodeCheck took 263549.78 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.0 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 418.1 MB). Peak memory consumption was 526.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:06:00,224 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 670 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.11 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 21.12 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 308.51 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 263549.78 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.0 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 418.1 MB). Peak memory consumption was 526.1 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-0-2018-09-30_21-06-00-234.csv Completed graceful shutdown