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/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:09:58,882 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:09:58,884 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:09:58,897 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:09:58,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:09:58,899 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:09:58,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:09:58,902 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:09:58,904 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:09:58,905 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:09:58,906 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:09:58,906 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:09:58,907 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:09:58,908 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:09:58,910 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:09:58,911 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:09:58,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:09:58,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:09:58,916 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:09:58,918 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:09:58,919 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:09:58,921 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:09:58,923 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:09:58,923 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:09:58,924 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:09:58,925 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:09:58,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:09:58,927 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:09:58,928 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:09:58,929 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:09:58,929 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:09:58,930 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:09:58,930 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:09:58,930 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:09:58,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:09:58,932 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:09:58,933 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 21:09:58,948 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:09:58,948 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:09:58,949 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:09:58,949 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:09:58,950 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:09:58,950 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:09:58,951 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:09:58,951 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:09:58,951 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:09:58,951 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:09:58,951 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:09:58,952 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:09:58,952 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:09:58,952 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:09:58,952 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:09:58,952 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:09:58,953 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:09:58,953 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:09:58,953 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:09:58,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:09:58,953 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:09:58,954 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:09:58,954 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:09:58,954 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:09:58,954 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:09:58,954 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:09:58,955 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:09:58,955 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:09:58,955 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:09:59,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:09:59,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:09:59,050 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:09:59,052 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:09:59,053 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:09:59,054 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl [2018-09-30 21:09:59,055 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl' [2018-09-30 21:09:59,115 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:09:59,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:09:59,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:09:59,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:09:59,119 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:09:59,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:09:59,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:09:59,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:09:59,162 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:09:59,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:09:59,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:09:59,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:09:59,182 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:09:59,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:09:59" (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 21:09:59,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:09:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:09:59,565 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:09:59,566 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:09:59 BoogieIcfgContainer [2018-09-30 21:09:59,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:09:59,567 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:09:59,567 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:09:59,580 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:09:59,580 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:09:59" (1/1) ... [2018-09-30 21:09:59,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:09:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:09:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 21:09:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 21:09:59,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:09:59,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:09:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:09:59,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:09:59,854 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 21:10:00,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-30 21:10:00,048 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-30 21:10:00,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:10:00,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:00,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:00,393 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 12 [2018-09-30 21:10:00,899 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-30 21:10:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-09-30 21:10:00,974 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-09-30 21:10:00,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:10:00,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:01,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:01,128 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 21:10:01,563 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-09-30 21:10:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-09-30 21:10:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-09-30 21:10:01,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:10:01,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:01,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:02,726 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-30 21:10:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-30 21:10:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-30 21:10:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:10:02,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:02,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:02,939 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:03,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:03,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-09-30 21:10:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-09-30 21:10:03,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:10:03,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:03,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:03,658 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:04,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:04,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-09-30 21:10:04,235 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-09-30 21:10:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:10:04,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:04,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:04,461 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2018-09-30 21:10:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-09-30 21:10:05,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:10:05,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:05,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:05,403 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-09-30 21:10:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-09-30 21:10:06,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:10:06,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:06,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:06,383 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:07,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:07,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-09-30 21:10:07,596 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-09-30 21:10:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:10:07,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:07,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:08,528 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:10,305 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-09-30 21:10:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:10,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2018-09-30 21:10:10,665 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-09-30 21:10:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:10:10,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:10,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:12,232 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-30 21:10:12,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:12,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2018-09-30 21:10:12,737 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-09-30 21:10:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:10:12,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:12,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-09-30 21:10:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-09-30 21:10:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:10:14,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:14,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2018-09-30 21:10:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-09-30 21:10:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:10:15,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:15,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 53 states and 64 transitions. [2018-09-30 21:10:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2018-09-30 21:10:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:10:17,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:17,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:17,551 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 21:10:18,581 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-30 21:10:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 69 transitions. [2018-09-30 21:10:19,117 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2018-09-30 21:10:19,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:10:19,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:19,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:20,403 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-30 21:10:20,870 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-30 21:10:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 74 transitions. [2018-09-30 21:10:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2018-09-30 21:10:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:10:20,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:21,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:22,185 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-30 21:10:22,882 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-30 21:10:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 65 states and 79 transitions. [2018-09-30 21:10:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2018-09-30 21:10:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:10:23,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:23,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:24,483 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-30 21:10:25,037 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-30 21:10:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:25,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 69 states and 84 transitions. [2018-09-30 21:10:25,211 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2018-09-30 21:10:25,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:10:25,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:25,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:25,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:26,844 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-30 21:10:27,548 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-30 21:10:27,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:27,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2018-09-30 21:10:27,716 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2018-09-30 21:10:27,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:10:27,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:27,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:29,366 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-30 21:10:30,013 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-30 21:10:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-09-30 21:10:30,174 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-09-30 21:10:30,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:10:30,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:30,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:30,600 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:31,831 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-30 21:10:32,571 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-30 21:10:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:32,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2018-09-30 21:10:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2018-09-30 21:10:32,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:10:32,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:32,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:34,584 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-30 21:10:35,388 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-30 21:10:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:35,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2018-09-30 21:10:35,627 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2018-09-30 21:10:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:10:35,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:35,688 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:36,016 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:37,486 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-30 21:10:38,341 WARN L178 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-30 21:10:38,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:38,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 89 states and 109 transitions. [2018-09-30 21:10:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2018-09-30 21:10:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:10:38,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:38,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:38,945 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:40,505 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-30 21:10:41,393 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-30 21:10:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2018-09-30 21:10:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2018-09-30 21:10:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:10:41,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:41,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:44,111 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-30 21:10:44,978 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-30 21:10:45,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2018-09-30 21:10:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2018-09-30 21:10:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:10:45,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:45,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:47,273 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-30 21:10:48,325 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-30 21:10:48,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2018-09-30 21:10:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2018-09-30 21:10:48,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:10:48,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:48,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:49,069 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:50,843 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-30 21:10:51,824 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-30 21:10:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:52,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 105 states and 129 transitions. [2018-09-30 21:10:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2018-09-30 21:10:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:10:52,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:52,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:52,578 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:54,650 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-09-30 21:10:55,756 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-30 21:10:56,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:10:56,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 109 states and 134 transitions. [2018-09-30 21:10:56,013 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2018-09-30 21:10:56,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:10:56,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:10:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:10:56,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:10:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:10:58,164 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 13 [2018-09-30 21:10:58,851 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-30 21:10:59,981 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-30 21:11:00,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 113 states and 139 transitions. [2018-09-30 21:11:00,598 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2018-09-30 21:11:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:11:00,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:00,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:04,183 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-30 21:11:05,378 WARN L178 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-30 21:11:05,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 117 states and 144 transitions. [2018-09-30 21:11:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 144 transitions. [2018-09-30 21:11:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:11:05,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:05,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:06,236 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:08,397 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-30 21:11:09,828 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-30 21:11:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:10,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 121 states and 149 transitions. [2018-09-30 21:11:10,131 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 149 transitions. [2018-09-30 21:11:10,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:11:10,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:10,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:12,831 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-30 21:11:14,209 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-30 21:11:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 125 states and 154 transitions. [2018-09-30 21:11:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2018-09-30 21:11:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:11:14,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:14,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:17,341 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-30 21:11:18,906 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-30 21:11:19,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:19,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 129 states and 159 transitions. [2018-09-30 21:11:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 159 transitions. [2018-09-30 21:11:19,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:11:19,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:19,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:22,192 WARN L178 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-30 21:11:23,624 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-30 21:11:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 133 states and 164 transitions. [2018-09-30 21:11:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2018-09-30 21:11:24,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:11:24,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:24,110 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:27,755 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-09-30 21:11:29,317 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-30 21:11:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 137 states and 169 transitions. [2018-09-30 21:11:29,673 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 169 transitions. [2018-09-30 21:11:29,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:11:29,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:29,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:32,964 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-09-30 21:11:34,556 WARN L178 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-09-30 21:11:34,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 141 states and 174 transitions. [2018-09-30 21:11:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 174 transitions. [2018-09-30 21:11:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:11:34,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:35,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:35,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:38,271 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-30 21:11:39,966 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-30 21:11:40,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:40,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 145 states and 179 transitions. [2018-09-30 21:11:40,400 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2018-09-30 21:11:40,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:11:40,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:40,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:43,854 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-30 21:11:45,642 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-09-30 21:11:46,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2018-09-30 21:11:46,059 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2018-09-30 21:11:46,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:11:46,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:46,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:48,824 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 13 [2018-09-30 21:11:49,784 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-09-30 21:11:51,623 WARN L178 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-30 21:11:52,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2018-09-30 21:11:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2018-09-30 21:11:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:11:52,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:52,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:11:54,877 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 13 [2018-09-30 21:11:55,815 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-30 21:11:57,676 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-30 21:11:58,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:11:58,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 157 states and 194 transitions. [2018-09-30 21:11:58,172 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2018-09-30 21:11:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:11:58,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:11:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:11:58,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:11:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:01,323 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 13 [2018-09-30 21:12:02,244 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2018-09-30 21:12:04,254 WARN L178 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-30 21:12:04,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:04,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 161 states and 199 transitions. [2018-09-30 21:12:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 199 transitions. [2018-09-30 21:12:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:12:04,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:04,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:12:05,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:08,225 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 13 [2018-09-30 21:12:09,235 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-30 21:12:11,285 WARN L178 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-30 21:12:11,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 165 states and 204 transitions. [2018-09-30 21:12:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 204 transitions. [2018-09-30 21:12:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:12:11,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:11,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:12:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:15,014 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 13 [2018-09-30 21:12:16,157 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-09-30 21:12:18,229 WARN L178 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-09-30 21:12:18,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 169 states and 209 transitions. [2018-09-30 21:12:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 209 transitions. [2018-09-30 21:12:18,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:12:18,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:18,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:12:19,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:22,187 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 13 [2018-09-30 21:12:23,238 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-09-30 21:12:25,538 WARN L178 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-30 21:12:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 173 states and 214 transitions. [2018-09-30 21:12:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 214 transitions. [2018-09-30 21:12:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-30 21:12:26,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:26,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:12:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:29,393 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 13 [2018-09-30 21:12:30,591 WARN L178 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-30 21:12:32,807 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-30 21:12:33,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:33,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 177 states and 219 transitions. [2018-09-30 21:12:33,333 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2018-09-30 21:12:33,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:12:33,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:33,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:12:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:40,890 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 13 [2018-09-30 21:12:42,131 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-09-30 21:12:44,467 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-30 21:12:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 181 states and 224 transitions. [2018-09-30 21:12:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 224 transitions. [2018-09-30 21:12:45,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:12:45,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:45,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:12:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:49,293 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 13 [2018-09-30 21:12:50,450 WARN L178 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-30 21:12:53,078 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-30 21:12:53,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:12:53,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 185 states and 229 transitions. [2018-09-30 21:12:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 229 transitions. [2018-09-30 21:12:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-30 21:12:53,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:12:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:12:53,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:12:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:12:57,584 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 13 [2018-09-30 21:12:58,758 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-30 21:13:01,354 WARN L178 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-09-30 21:13:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 189 states and 234 transitions. [2018-09-30 21:13:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 234 transitions. [2018-09-30 21:13:02,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-30 21:13:02,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:02,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:13:03,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:06,034 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 13 [2018-09-30 21:13:07,568 WARN L178 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-09-30 21:13:10,152 WARN L178 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-09-30 21:13:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 193 states and 239 transitions. [2018-09-30 21:13:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 239 transitions. [2018-09-30 21:13:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-30 21:13:10,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:10,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:13:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:14,878 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 13 [2018-09-30 21:13:16,184 WARN L178 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-30 21:13:19,058 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-30 21:13:19,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 197 states and 244 transitions. [2018-09-30 21:13:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 244 transitions. [2018-09-30 21:13:19,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-30 21:13:19,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:19,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:13:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:23,939 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 13 [2018-09-30 21:13:25,244 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-09-30 21:13:27,987 WARN L178 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2018-09-30 21:13:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 201 states and 249 transitions. [2018-09-30 21:13:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 249 transitions. [2018-09-30 21:13:28,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-30 21:13:28,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:28,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:13:31,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:34,263 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 13 [2018-09-30 21:13:35,596 WARN L178 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-09-30 21:13:38,478 WARN L178 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-30 21:13:39,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:39,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 205 states and 254 transitions. [2018-09-30 21:13:39,160 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 254 transitions. [2018-09-30 21:13:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 21:13:39,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:39,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:13:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:43,531 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 13 [2018-09-30 21:13:44,900 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-30 21:13:47,885 WARN L178 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-09-30 21:13:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 209 states and 259 transitions. [2018-09-30 21:13:48,557 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 259 transitions. [2018-09-30 21:13:48,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-30 21:13:48,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:48,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:13:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:13:53,014 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 13 [2018-09-30 21:13:54,446 WARN L178 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2018-09-30 21:13:57,519 WARN L178 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-30 21:13:58,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:13:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 213 states and 264 transitions. [2018-09-30 21:13:58,209 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 264 transitions. [2018-09-30 21:13:58,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-30 21:13:58,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:13:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:13:58,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:13:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:14:02,714 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 13 [2018-09-30 21:14:04,185 WARN L178 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-09-30 21:14:07,290 WARN L178 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-30 21:14:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:14:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 217 states and 269 transitions. [2018-09-30 21:14:08,076 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 269 transitions. [2018-09-30 21:14:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-30 21:14:08,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:14:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:14:08,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:14:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:14:12,739 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 13 [2018-09-30 21:14:14,509 WARN L178 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 383 Received shutdown request... [2018-09-30 21:14:17,717 WARN L186 SmtUtils]: Removed 32 from assertion stack [2018-09-30 21:14:17,717 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 21:14:17,721 INFO L168 Benchmark]: Toolchain (without parser) took 258605.89 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 370.1 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -148.8 MB). Peak memory consumption was 996.8 MB. Max. memory is 7.1 GB. [2018-09-30 21:14:17,723 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:14:17,723 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:14:17,724 INFO L168 Benchmark]: Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:14:17,725 INFO L168 Benchmark]: RCFGBuilder took 384.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:14:17,725 INFO L168 Benchmark]: CodeCheck took 258153.56 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 370.1 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -169.9 MB). Peak memory consumption was 975.7 MB. Max. memory is 7.1 GB. [2018-09-30 21:14:17,733 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 384. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.31 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 19.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 384.98 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 258153.56 ms. Allocated memory was 1.5 GB in the beginning and 1.9 GB in the end (delta: 370.1 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -169.9 MB). Peak memory consumption was 975.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum.i_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-14-17-744.csv Completed graceful shutdown