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 0.1.23-133090d [2018-10-04 10:02:00,974 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:02:00,977 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:02:00,995 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:02:00,995 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:02:00,997 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:02:00,998 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:02:01,000 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:02:01,004 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:02:01,005 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:02:01,005 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:02:01,010 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:02:01,011 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:02:01,014 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:02:01,015 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:02:01,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:02:01,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:02:01,023 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:02:01,025 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:02:01,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:02:01,031 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:02:01,032 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:02:01,038 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:02:01,038 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:02:01,038 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:02:01,039 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:02:01,040 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:02:01,041 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:02:01,045 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:02:01,046 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:02:01,046 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:02:01,047 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:02:01,048 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:02:01,048 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:02:01,050 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:02:01,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:02:01,051 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 10:02:01,077 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:02:01,077 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:02:01,078 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:02:01,078 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:02:01,081 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:02:01,082 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:02:01,082 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:02:01,082 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:02:01,082 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:02:01,083 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:02:01,083 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:02:01,083 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:02:01,083 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:02:01,083 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:02:01,084 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:02:01,084 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:02:01,084 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:02:01,085 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:02:01,085 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:02:01,085 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:02:01,085 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:02:01,085 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:02:01,086 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:02:01,086 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:02:01,086 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:02:01,086 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:02:01,087 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:02:01,088 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:02:01,088 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:02:01,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:02:01,166 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:02:01,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:02:01,173 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:02:01,173 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:02:01,174 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-10-04 10:02:01,174 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-10-04 10:02:01,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:02:01,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:02:01,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:02:01,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:02:01,225 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:02:01,246 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,258 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:02:01,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:02:01,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:02:01,266 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:02:01,277 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,278 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,279 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,279 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,281 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,283 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,284 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:02:01,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:02:01,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:02:01,286 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:02:01,287 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 10:02:01" (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 10:02:01,350 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-04 10:02:01,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:02:01,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:02:01,511 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:02:01,512 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 10:02:01 BoogieIcfgContainer [2018-10-04 10:02:01,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:02:01,513 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:02:01,513 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:02:01,524 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:02:01,524 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 10:02:01" (1/1) ... [2018-10-04 10:02:01,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:02:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 10:02:01,573 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 10:02:01,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 10:02:01,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:01,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:01,791 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 10:02:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2018-10-04 10:02:01,940 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2018-10-04 10:02:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:02:01,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:01,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:02,063 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 10:02:02,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:02,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 10:02:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 10:02:02,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 10:02:02,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:02,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:03,016 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 10:02:03,431 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-10-04 10:02:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:03,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-10-04 10:02:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-10-04 10:02:03,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:02:03,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:03,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:03,823 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 10:02:04,472 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-04 10:02:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:04,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 10:02:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 10:02:04,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 10:02:04,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:04,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:04,684 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 10:02:05,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-10-04 10:02:05,240 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-10-04 10:02:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:02:05,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:05,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:05,396 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 10:02:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:05,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-04 10:02:05,986 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-04 10:02:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 10:02:05,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:06,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:06,202 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 10:02:07,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-10-04 10:02:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-10-04 10:02:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:02:07,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:07,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:07,302 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 10:02:08,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:08,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-10-04 10:02:08,204 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-10-04 10:02:08,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 10:02:08,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:08,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:08,413 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 10:02:09,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-10-04 10:02:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-10-04 10:02:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:02:09,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:09,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:09,353 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 10:02:11,415 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-10-04 10:02:11,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-10-04 10:02:11,500 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-10-04 10:02:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 10:02:11,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:11,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:12,308 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 10:02:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:13,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-10-04 10:02:13,594 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-10-04 10:02:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:02:13,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:13,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:13,864 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 10:02:15,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:15,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-10-04 10:02:15,027 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-10-04 10:02:15,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 10:02:15,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:15,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:15,217 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 10:02:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:16,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-10-04 10:02:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-10-04 10:02:16,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:02:16,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:16,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:17,005 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 10:02:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-10-04 10:02:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-10-04 10:02:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 10:02:18,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:18,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:18,569 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 10:02:19,505 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 10:02:19,919 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-04 10:02:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-10-04 10:02:20,121 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-10-04 10:02:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:02:20,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:20,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:20,369 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 10:02:21,397 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 10:02:21,950 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-04 10:02:22,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-10-04 10:02:22,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-10-04 10:02:22,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 10:02:22,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:22,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:22,341 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 10:02:23,316 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 10:02:23,828 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 10:02:23,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-10-04 10:02:23,962 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-10-04 10:02:23,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:02:23,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:24,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:24,291 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 10:02:25,483 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 10:02:26,045 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-04 10:02:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-10-04 10:02:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-10-04 10:02:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 10:02:26,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:26,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:26,477 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 10:02:27,899 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-04 10:02:28,879 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 10:02:29,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:29,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2018-10-04 10:02:29,137 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2018-10-04 10:02:29,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:02:29,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:29,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:29,476 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 10:02:30,828 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 10:02:31,690 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-04 10:02:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2018-10-04 10:02:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2018-10-04 10:02:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 10:02:31,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:31,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:32,438 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 10:02:33,698 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-04 10:02:34,395 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-04 10:02:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2018-10-04 10:02:34,605 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2018-10-04 10:02:34,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 10:02:34,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:34,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:34,931 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 10:02:36,262 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-04 10:02:37,064 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 10:02:37,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2018-10-04 10:02:37,272 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2018-10-04 10:02:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 10:02:37,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:37,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:37,726 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 10:02:39,146 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 10:02:39,950 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 10:02:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2018-10-04 10:02:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2018-10-04 10:02:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 10:02:40,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:40,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:40,555 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 10:02:42,060 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 10:02:43,082 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-10-04 10:02:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2018-10-04 10:02:43,298 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2018-10-04 10:02:43,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 10:02:43,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:43,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:43,690 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 10:02:45,291 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 10:02:46,201 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-04 10:02:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:46,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2018-10-04 10:02:46,416 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2018-10-04 10:02:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 10:02:46,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:46,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:46,884 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 10:02:48,716 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-04 10:02:49,707 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 10:02:49,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2018-10-04 10:02:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2018-10-04 10:02:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 10:02:49,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:50,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:50,428 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 10:02:52,332 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-10-04 10:02:53,503 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-10-04 10:02:53,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2018-10-04 10:02:53,754 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2018-10-04 10:02:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 10:02:53,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:53,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:54,278 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 10:02:56,098 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-10-04 10:02:57,207 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-10-04 10:02:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:02:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2018-10-04 10:02:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2018-10-04 10:02:57,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 10:02:57,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:02:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:02:57,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:02:58,106 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 10:03:00,079 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-04 10:03:01,221 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-04 10:03:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2018-10-04 10:03:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-10-04 10:03:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 10:03:01,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:01,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:01,975 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 10:03:04,224 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-10-04 10:03:05,512 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-10-04 10:03:05,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2018-10-04 10:03:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2018-10-04 10:03:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 10:03:05,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:05,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:07,284 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 10:03:09,740 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-10-04 10:03:11,017 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-04 10:03:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:11,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2018-10-04 10:03:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2018-10-04 10:03:11,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 10:03:11,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:11,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:11,851 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 10:03:13,620 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 13 [2018-10-04 10:03:14,299 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-10-04 10:03:15,631 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-10-04 10:03:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:15,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 64 states and 93 transitions. [2018-10-04 10:03:15,943 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2018-10-04 10:03:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 10:03:15,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:16,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:16,503 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 10:03:18,140 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 13 [2018-10-04 10:03:18,934 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-10-04 10:03:20,325 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-10-04 10:03:20,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:20,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 96 transitions. [2018-10-04 10:03:20,660 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2018-10-04 10:03:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 10:03:20,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:20,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:21,333 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 10:03:23,872 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-10-04 10:03:25,423 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-04 10:03:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2018-10-04 10:03:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2018-10-04 10:03:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 10:03:25,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:25,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:26,421 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 10:03:28,182 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 13 [2018-10-04 10:03:29,167 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-10-04 10:03:30,730 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-10-04 10:03:31,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2018-10-04 10:03:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2018-10-04 10:03:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 10:03:31,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:31,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:31,734 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 10:03:33,570 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 13 [2018-10-04 10:03:34,499 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-10-04 10:03:36,111 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-10-04 10:03:36,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2018-10-04 10:03:36,773 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2018-10-04 10:03:36,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 10:03:36,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:36,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:38,001 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 10:03:40,934 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-04 10:03:42,632 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-10-04 10:03:43,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:43,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-10-04 10:03:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-10-04 10:03:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 10:03:43,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:43,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:43,793 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 10:03:46,671 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-10-04 10:03:48,428 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-10-04 10:03:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-10-04 10:03:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-10-04 10:03:48,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 10:03:48,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:48,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:50,241 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 10:03:52,269 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 13 [2018-10-04 10:03:53,164 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-10-04 10:03:55,055 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-04 10:03:55,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:03:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-10-04 10:03:55,504 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-10-04 10:03:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 10:03:55,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:03:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:03:55,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:03:56,312 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 10:03:58,410 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 13 [2018-10-04 10:03:59,408 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-10-04 10:04:01,308 WARN L178 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-10-04 10:04:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2018-10-04 10:04:01,813 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2018-10-04 10:04:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 10:04:01,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:01,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:04:02,698 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 10:04:05,112 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 13 [2018-10-04 10:04:06,075 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2018-10-04 10:04:08,099 WARN L178 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-10-04 10:04:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 120 transitions. [2018-10-04 10:04:08,571 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2018-10-04 10:04:08,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 10:04:08,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:08,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:04:09,539 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 10:04:11,793 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 13 [2018-10-04 10:04:12,840 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-10-04 10:04:14,956 WARN L178 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-10-04 10:04:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:15,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 123 transitions. [2018-10-04 10:04:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2018-10-04 10:04:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 10:04:15,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:15,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:04:16,502 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 10:04:18,823 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 13 [2018-10-04 10:04:19,939 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-10-04 10:04:22,126 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-10-04 10:04:22,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 126 transitions. [2018-10-04 10:04:22,612 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2018-10-04 10:04:22,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 10:04:22,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:22,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:04:23,477 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 10:04:25,983 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 13 [2018-10-04 10:04:27,082 WARN L178 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-10-04 10:04:29,343 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-10-04 10:04:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-10-04 10:04:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-10-04 10:04:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 10:04:29,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:30,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:04:30,790 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 10:04:33,302 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 13 [2018-10-04 10:04:34,406 WARN L178 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-04 10:04:36,790 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-04 10:04:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:37,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2018-10-04 10:04:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2018-10-04 10:04:37,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 10:04:37,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:37,424 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:04:39,271 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 10:04:41,939 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 13 [2018-10-04 10:04:43,098 WARN L178 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-10-04 10:04:45,581 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-10-04 10:04:46,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2018-10-04 10:04:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2018-10-04 10:04:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 10:04:46,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:46,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:04:47,128 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 10:04:49,796 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 13 [2018-10-04 10:04:51,095 WARN L178 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-10-04 10:04:53,566 WARN L178 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-04 10:04:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:04:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 94 states and 138 transitions. [2018-10-04 10:04:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2018-10-04 10:04:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 10:04:54,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:04:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:04:54,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:04:55,052 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 10:04:57,980 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 13 [2018-10-04 10:04:59,190 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-10-04 10:05:01,771 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-10-04 10:05:02,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:02,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 96 states and 141 transitions. [2018-10-04 10:05:02,342 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2018-10-04 10:05:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 10:05:02,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:02,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:05:03,351 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 10:05:06,201 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 13 [2018-10-04 10:05:07,440 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-10-04 10:05:10,087 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-10-04 10:05:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 98 states and 144 transitions. [2018-10-04 10:05:10,707 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2018-10-04 10:05:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 10:05:10,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:10,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:05:11,693 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 10:05:14,603 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 13 [2018-10-04 10:05:15,953 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-10-04 10:05:18,760 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-10-04 10:05:19,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:19,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 100 states and 147 transitions. [2018-10-04 10:05:19,393 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2018-10-04 10:05:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 10:05:19,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:19,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:05:21,018 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 10:05:24,093 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 13 [2018-10-04 10:05:25,428 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-10-04 10:05:28,324 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2018-10-04 10:05:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2018-10-04 10:05:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2018-10-04 10:05:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 10:05:29,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:29,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:05:30,191 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 10:05:33,428 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 13 [2018-10-04 10:05:34,870 WARN L178 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-10-04 10:05:37,782 WARN L178 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-10-04 10:05:38,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 104 states and 153 transitions. [2018-10-04 10:05:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2018-10-04 10:05:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 10:05:38,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:38,605 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:05:39,557 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 10:05:42,886 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 13 [2018-10-04 10:05:44,354 WARN L178 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-10-04 10:05:47,572 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-10-04 10:05:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 106 states and 156 transitions. [2018-10-04 10:05:48,312 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 156 transitions. [2018-10-04 10:05:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 10:05:48,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:48,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:05:49,567 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 10:05:53,132 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 13 [2018-10-04 10:05:54,659 WARN L178 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2018-10-04 10:05:57,897 WARN L178 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-10-04 10:05:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:05:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 159 transitions. [2018-10-04 10:05:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2018-10-04 10:05:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 10:05:58,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:05:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:05:58,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:05:59,825 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 10:06:03,412 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 13 [2018-10-04 10:06:04,983 WARN L178 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-10-04 10:06:08,442 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-04 10:06:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 110 states and 162 transitions. [2018-10-04 10:06:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 162 transitions. [2018-10-04 10:06:09,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 10:06:09,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:09,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:06:10,378 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 10:06:14,239 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 13 [2018-10-04 10:06:15,876 WARN L178 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-10-04 10:06:19,314 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2018-10-04 10:06:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:06:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2018-10-04 10:06:20,070 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2018-10-04 10:06:20,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 10:06:20,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:06:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:06:20,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 10:06:21,284 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 10:06:24,429 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 10:06:24,431 INFO L168 Benchmark]: Toolchain (without parser) took 263208.43 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 131.1 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 273.0 MB). Peak memory consumption was 404.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:06:24,432 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-04 10:06:24,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.71 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. [2018-10-04 10:06:24,433 INFO L168 Benchmark]: Boogie Preprocessor took 19.84 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. [2018-10-04 10:06:24,435 INFO L168 Benchmark]: RCFGBuilder took 226.26 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. [2018-10-04 10:06:24,436 INFO L168 Benchmark]: CodeCheck took 262918.22 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 131.1 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 251.9 MB). Peak memory consumption was 383.0 MB. Max. memory is 7.1 GB. [2018-10-04 10:06:24,439 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 667 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.71 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 19.84 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 226.26 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 262918.22 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 131.1 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 251.9 MB). Peak memory consumption was 383.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-06-24-452.csv Completed graceful shutdown