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 0.1.23-9f4048f [2018-10-04 13:16:05,780 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:16:05,783 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:16:05,797 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:16:05,797 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:16:05,803 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:16:05,805 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:16:05,809 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:16:05,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:16:05,818 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:16:05,819 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:16:05,819 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:16:05,820 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:16:05,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:16:05,823 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:16:05,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:16:05,824 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:16:05,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:16:05,829 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:16:05,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:16:05,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:16:05,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:16:05,836 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:16:05,836 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:16:05,837 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:16:05,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:16:05,839 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:16:05,840 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:16:05,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:16:05,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:16:05,842 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:16:05,843 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:16:05,843 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:16:05,844 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:16:05,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:16:05,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:16:05,846 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 13:16:05,872 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:16:05,873 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:16:05,874 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:16:05,878 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:16:05,879 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:16:05,879 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:16:05,879 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:16:05,879 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:16:05,880 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:16:05,880 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:16:05,880 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:16:05,880 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:16:05,880 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:16:05,880 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:16:05,881 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:16:05,882 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:16:05,883 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:16:05,883 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:16:05,883 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:16:05,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:16:05,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:16:05,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:16:05,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:16:05,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:16:05,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:16:05,884 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:16:05,885 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:16:05,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:16:05,885 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:16:05,941 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:16:05,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:16:05,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:16:05,969 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:16:05,969 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:16:05,970 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl [2018-10-04 13:16:05,970 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl' [2018-10-04 13:16:06,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:16:06,031 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:16:06,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:16:06,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:16:06,032 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:16:06,054 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,066 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:16:06,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:16:06,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:16:06,074 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:16:06,084 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,085 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,085 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,086 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,088 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,091 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,092 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,094 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:16:06,094 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:16:06,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:16:06,095 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:16:06,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:16:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:16:06,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:16:06,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:16:06,484 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:16:06,484 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:16:06 BoogieIcfgContainer [2018-10-04 13:16:06,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:16:06,486 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:16:06,486 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:16:06,497 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:16:06,498 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 04.10 01:16:06" (1/1) ... [2018-10-04 13:16:06,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:16:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 13:16:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 13:16:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:16:06,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:06,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:06,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-04 13:16:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-04 13:16:06,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:16:06,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:06,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:07,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:07,295 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 12 [2018-10-04 13:16:07,833 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-04 13:16:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-10-04 13:16:07,911 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-10-04 13:16:07,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:16:07,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:07,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:08,578 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-10-04 13:16:08,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:08,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-10-04 13:16:08,766 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-10-04 13:16:08,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:16:08,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:08,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:08,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:09,545 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-04 13:16:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-04 13:16:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-04 13:16:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:16:09,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:09,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:10,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:10,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-10-04 13:16:10,360 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-10-04 13:16:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:16:10,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:10,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:11,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:11,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-10-04 13:16:11,131 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-10-04 13:16:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:16:11,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:11,165 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:12,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:12,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2018-10-04 13:16:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2018-10-04 13:16:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:16:12,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:12,168 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:12,427 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:13,329 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-10-04 13:16:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-10-04 13:16:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-04 13:16:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:16:13,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:13,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:13,784 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:14,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:14,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-10-04 13:16:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-10-04 13:16:14,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:16:14,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:14,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:17,253 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2018-10-04 13:16:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2018-10-04 13:16:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-10-04 13:16:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:16:17,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:17,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2018-10-04 13:16:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-10-04 13:16:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:16:19,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:20,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:21,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2018-10-04 13:16:21,452 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-10-04 13:16:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:16:21,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:21,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:21,723 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:23,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2018-10-04 13:16:23,023 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-10-04 13:16:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:16:23,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:23,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 53 states and 64 transitions. [2018-10-04 13:16:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2018-10-04 13:16:24,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:16:24,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:24,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:26,282 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 13:16:26,728 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-04 13:16:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:26,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 57 states and 69 transitions. [2018-10-04 13:16:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2018-10-04 13:16:26,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:16:26,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:26,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:27,166 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:28,473 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 13:16:28,947 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-04 13:16:29,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:29,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 74 transitions. [2018-10-04 13:16:29,073 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2018-10-04 13:16:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:16:29,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:29,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:30,321 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 13:16:30,835 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 13:16:30,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 65 states and 79 transitions. [2018-10-04 13:16:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 79 transitions. [2018-10-04 13:16:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:16:30,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:31,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:32,566 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 13:16:33,232 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-04 13:16:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 69 states and 84 transitions. [2018-10-04 13:16:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 84 transitions. [2018-10-04 13:16:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:16:33,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:33,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:35,051 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-04 13:16:35,666 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 13:16:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2018-10-04 13:16:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2018-10-04 13:16:35,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:16:35,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:35,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:37,474 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 13:16:38,201 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-04 13:16:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:38,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2018-10-04 13:16:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2018-10-04 13:16:38,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:16:38,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:38,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:40,059 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-04 13:16:40,760 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-04 13:16:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 81 states and 99 transitions. [2018-10-04 13:16:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 99 transitions. [2018-10-04 13:16:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:16:40,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:40,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:41,446 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:42,777 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-04 13:16:43,669 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 13:16:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2018-10-04 13:16:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2018-10-04 13:16:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:16:43,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:43,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:45,796 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 13:16:46,615 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 13:16:46,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:46,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 89 states and 109 transitions. [2018-10-04 13:16:46,829 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2018-10-04 13:16:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:16:46,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:46,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:48,885 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 13:16:49,785 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-10-04 13:16:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 93 states and 114 transitions. [2018-10-04 13:16:50,024 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2018-10-04 13:16:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:16:50,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:50,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:52,144 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 13:16:53,054 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-04 13:16:53,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:53,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 97 states and 119 transitions. [2018-10-04 13:16:53,320 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2018-10-04 13:16:53,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:16:53,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:53,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:55,541 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-04 13:16:56,559 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 13:16:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:16:56,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 101 states and 124 transitions. [2018-10-04 13:16:56,805 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 124 transitions. [2018-10-04 13:16:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:16:56,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:16:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:16:56,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:16:57,346 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:16:59,222 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-10-04 13:17:00,264 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-10-04 13:17:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 105 states and 129 transitions. [2018-10-04 13:17:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2018-10-04 13:17:00,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:17:00,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:00,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:01,085 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:02,931 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-10-04 13:17:04,091 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-10-04 13:17:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 109 states and 134 transitions. [2018-10-04 13:17:04,399 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2018-10-04 13:17:04,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:17:04,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:04,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:07,013 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-04 13:17:08,219 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-04 13:17:08,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 113 states and 139 transitions. [2018-10-04 13:17:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2018-10-04 13:17:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:17:08,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:08,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:11,419 WARN L178 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-10-04 13:17:12,741 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-10-04 13:17:13,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:13,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 117 states and 144 transitions. [2018-10-04 13:17:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 144 transitions. [2018-10-04 13:17:13,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:17:13,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:13,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:16,044 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-10-04 13:17:17,330 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-04 13:17:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:17,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 121 states and 149 transitions. [2018-10-04 13:17:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 149 transitions. [2018-10-04 13:17:17,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:17:17,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:17,748 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:18,225 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:20,704 WARN L178 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-10-04 13:17:22,053 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-10-04 13:17:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:22,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 125 states and 154 transitions. [2018-10-04 13:17:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 154 transitions. [2018-10-04 13:17:22,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:17:22,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:22,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:22,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:25,467 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-10-04 13:17:26,889 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-10-04 13:17:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 129 states and 159 transitions. [2018-10-04 13:17:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 159 transitions. [2018-10-04 13:17:27,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:17:27,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:27,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:30,462 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-10-04 13:17:31,951 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-04 13:17:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:32,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 133 states and 164 transitions. [2018-10-04 13:17:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2018-10-04 13:17:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:17:32,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:32,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:36,612 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-10-04 13:17:38,201 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-10-04 13:17:38,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:38,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 137 states and 169 transitions. [2018-10-04 13:17:38,584 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 169 transitions. [2018-10-04 13:17:38,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:17:38,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:38,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:39,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:41,330 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 13 [2018-10-04 13:17:42,124 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-10-04 13:17:43,768 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-10-04 13:17:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 141 states and 174 transitions. [2018-10-04 13:17:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 174 transitions. [2018-10-04 13:17:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:17:44,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:44,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:47,781 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-04 13:17:49,504 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-10-04 13:17:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 145 states and 179 transitions. [2018-10-04 13:17:49,962 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 179 transitions. [2018-10-04 13:17:49,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:17:49,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:50,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:52,699 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 13 [2018-10-04 13:17:53,564 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-10-04 13:17:55,395 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-10-04 13:17:55,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:17:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 149 states and 184 transitions. [2018-10-04 13:17:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2018-10-04 13:17:55,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:17:55,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:17:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:17:55,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:17:56,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:17:58,570 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 13 [2018-10-04 13:17:59,481 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-10-04 13:18:01,572 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-04 13:18:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:18:02,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 153 states and 189 transitions. [2018-10-04 13:18:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 189 transitions. [2018-10-04 13:18:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:18:02,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:18:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:18:02,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:18:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:18:05,224 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 13 [2018-10-04 13:18:06,161 WARN L178 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-10-04 13:18:08,079 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-10-04 13:18:08,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:18:08,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 157 states and 194 transitions. [2018-10-04 13:18:08,560 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 194 transitions. [2018-10-04 13:18:08,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:18:08,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:18:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:18:08,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:18:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:18:12,424 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 13 [2018-10-04 13:18:13,405 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2018-10-04 13:18:15,505 WARN L178 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-10-04 13:18:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:18:15,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 161 states and 199 transitions. [2018-10-04 13:18:15,978 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 199 transitions. [2018-10-04 13:18:15,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:18:15,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:18:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:18:16,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:18:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:18:20,396 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 13 [2018-10-04 13:18:21,539 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-10-04 13:18:23,667 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-10-04 13:18:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:18:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 165 states and 204 transitions. [2018-10-04 13:18:24,198 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 204 transitions. [2018-10-04 13:18:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:18:24,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:18:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:18:24,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:18:25,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:18:27,658 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 13 [2018-10-04 13:18:28,740 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-10-04 13:18:31,072 WARN L178 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-10-04 13:18:31,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:18:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 169 states and 209 transitions. [2018-10-04 13:18:31,601 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 209 transitions. [2018-10-04 13:18:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:18:31,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:18:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:18:31,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:18:32,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:18:34,981 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 13 [2018-10-04 13:18:36,109 WARN L178 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-10-04 13:18:38,375 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-10-04 13:18:38,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:18:38,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 173 states and 214 transitions. [2018-10-04 13:18:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 214 transitions. [2018-10-04 13:18:38,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:18:38,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:18:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:18:39,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:18:39,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:18:42,597 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 13 [2018-10-04 13:18:43,753 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-04 13:18:46,160 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-04 13:18:46,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:18:46,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 177 states and 219 transitions. [2018-10-04 13:18:46,758 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 219 transitions. [2018-10-04 13:18:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:18:46,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:18:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:18:46,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:18:47,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:18:53,504 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 13 [2018-10-04 13:18:54,682 WARN L178 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-10-04 13:18:57,089 WARN L178 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-10-04 13:18:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:18:57,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 181 states and 224 transitions. [2018-10-04 13:18:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 224 transitions. [2018-10-04 13:18:57,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:18:57,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:18:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:18:57,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:18:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:19:02,187 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 13 [2018-10-04 13:19:03,363 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-10-04 13:19:05,858 WARN L178 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-04 13:19:06,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:19:06,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 185 states and 229 transitions. [2018-10-04 13:19:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 229 transitions. [2018-10-04 13:19:06,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 13:19:06,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:19:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:19:06,617 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:19:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:19:10,411 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 13 [2018-10-04 13:19:11,698 WARN L178 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-10-04 13:19:14,282 WARN L178 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-10-04 13:19:15,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:19:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 189 states and 234 transitions. [2018-10-04 13:19:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 234 transitions. [2018-10-04 13:19:15,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:19:15,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:19:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:19:15,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:19:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:19:19,216 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 13 [2018-10-04 13:19:20,475 WARN L178 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-10-04 13:19:23,171 WARN L178 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-10-04 13:19:23,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:19:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 193 states and 239 transitions. [2018-10-04 13:19:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 239 transitions. [2018-10-04 13:19:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 13:19:23,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:19:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:19:23,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:19:24,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:19:27,921 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 13 [2018-10-04 13:19:29,265 WARN L178 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-10-04 13:19:31,931 WARN L178 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-10-04 13:19:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:19:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 197 states and 244 transitions. [2018-10-04 13:19:32,605 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 244 transitions. [2018-10-04 13:19:32,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 13:19:32,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:19:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:19:32,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:19:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:19:36,782 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 13 [2018-10-04 13:19:38,196 WARN L178 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-10-04 13:19:40,976 WARN L178 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2018-10-04 13:19:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:19:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 201 states and 249 transitions. [2018-10-04 13:19:41,620 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 249 transitions. [2018-10-04 13:19:41,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 13:19:41,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:19:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:19:41,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:19:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:19:45,919 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 13 [2018-10-04 13:19:47,293 WARN L178 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-10-04 13:19:50,312 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-10-04 13:19:50,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:19:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 205 states and 254 transitions. [2018-10-04 13:19:50,979 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 254 transitions. [2018-10-04 13:19:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 13:19:50,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:19:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:19:51,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:19:52,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:19:55,466 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 13 [2018-10-04 13:19:56,886 WARN L178 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-10-04 13:19:59,925 WARN L178 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-10-04 13:20:00,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 209 states and 259 transitions. [2018-10-04 13:20:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 259 transitions. [2018-10-04 13:20:00,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 13:20:00,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:00,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:20:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:05,306 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 13 [2018-10-04 13:20:06,741 WARN L178 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2018-10-04 13:20:09,840 WARN L178 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-10-04 13:20:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 213 states and 264 transitions. [2018-10-04 13:20:10,545 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 264 transitions. [2018-10-04 13:20:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-04 13:20:10,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:10,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:20:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:15,324 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 13 [2018-10-04 13:20:16,820 WARN L178 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-10-04 13:20:20,070 WARN L178 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-04 13:20:20,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:20,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 217 states and 269 transitions. [2018-10-04 13:20:20,799 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 269 transitions. [2018-10-04 13:20:20,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-04 13:20:20,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:20,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:20:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-04 13:20:24,874 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:20:24,879 INFO L168 Benchmark]: Toolchain (without parser) took 258849.18 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 172.5 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 285.3 MB). Peak memory consumption was 457.8 MB. Max. memory is 7.1 GB. [2018-10-04 13:20:24,880 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:20:24,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.56 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. [2018-10-04 13:20:24,881 INFO L168 Benchmark]: Boogie Preprocessor took 19.79 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:20:24,881 INFO L168 Benchmark]: RCFGBuilder took 390.66 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:20:24,888 INFO L168 Benchmark]: CodeCheck took 258392.31 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 172.5 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 264.1 MB). Peak memory consumption was 436.6 MB. Max. memory is 7.1 GB. [2018-10-04 13:20:24,892 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 655 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.23 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 41.56 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. * Boogie Preprocessor took 19.79 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 390.66 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 258392.31 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 172.5 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 264.1 MB). Peak memory consumption was 436.6 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-0-2018-10-04_13-20-24-905.csv Completed graceful shutdown