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_PUPT.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 23:03:42,144 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 23:03:42,145 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 23:03:42,158 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 23:03:42,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 23:03:42,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 23:03:42,161 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 23:03:42,163 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 23:03:42,165 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 23:03:42,166 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 23:03:42,166 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 23:03:42,167 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 23:03:42,168 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 23:03:42,169 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 23:03:42,170 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 23:03:42,171 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 23:03:42,172 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 23:03:42,173 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 23:03:42,175 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 23:03:42,177 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 23:03:42,178 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 23:03:42,179 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 23:03:42,182 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 23:03:42,182 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 23:03:42,182 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 23:03:42,183 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 23:03:42,184 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 23:03:42,185 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 23:03:42,186 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 23:03:42,187 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 23:03:42,187 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 23:03:42,188 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 23:03:42,188 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 23:03:42,189 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 23:03:42,190 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 23:03:42,190 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 23:03:42,195 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-26 23:03:42,222 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 23:03:42,222 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 23:03:42,225 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 23:03:42,225 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 23:03:42,226 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 23:03:42,226 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 23:03:42,227 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 23:03:42,227 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 23:03:42,227 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 23:03:42,227 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 23:03:42,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 23:03:42,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 23:03:42,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 23:03:42,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 23:03:42,229 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 23:03:42,230 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 23:03:42,230 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 23:03:42,230 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 23:03:42,230 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 23:03:42,232 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 23:03:42,232 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 23:03:42,232 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 23:03:42,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 23:03:42,233 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 23:03:42,233 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 23:03:42,233 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 23:03:42,233 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 23:03:42,234 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 23:03:42,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 23:03:42,234 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 23:03:42,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 23:03:42,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 23:03:42,312 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 23:03:42,314 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 23:03:42,314 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 23:03:42,315 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl [2018-09-26 23:03:42,315 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/ArrayInit02.bpl' [2018-09-26 23:03:42,383 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 23:03:42,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 23:03:42,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 23:03:42,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 23:03:42,389 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 23:03:42,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (1/1) ... [2018-09-26 23:03:42,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (1/1) ... [2018-09-26 23:03:42,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 23:03:42,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 23:03:42,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 23:03:42,436 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 23:03:42,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (1/1) ... [2018-09-26 23:03:42,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (1/1) ... [2018-09-26 23:03:42,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (1/1) ... [2018-09-26 23:03:42,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (1/1) ... [2018-09-26 23:03:42,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (1/1) ... [2018-09-26 23:03:42,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (1/1) ... [2018-09-26 23:03:42,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (1/1) ... [2018-09-26 23:03:42,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 23:03:42,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 23:03:42,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 23:03:42,461 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 23:03:42,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:03:42" (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 [2018-09-26 23:03:42,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 23:03:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 23:03:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 23:03:43,044 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 23:03:43,046 INFO L202 PluginConnector]: Adding new model ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:03:43 BoogieIcfgContainer [2018-09-26 23:03:43,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 23:03:43,047 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 23:03:43,047 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 23:03:43,060 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 23:03:43,060 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "ArrayInit02.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:03:43" (1/1) ... [2018-09-26 23:03:43,085 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 23:03:43,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:03:43,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-09-26 23:03:43,125 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-09-26 23:03:43,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 23:03:43,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:03:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:03:43,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:03:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:03:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-09-26 23:03:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-09-26 23:03:43,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 23:03:43,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:03:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:03:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:03:46,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:03:46,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-09-26 23:03:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-09-26 23:03:46,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 23:03:46,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:03:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:03:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:03:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:03:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2018-09-26 23:03:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2018-09-26 23:03:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 23:03:49,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:03:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:03:50,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:03:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:03:52,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-09-26 23:03:52,686 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-09-26 23:03:52,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 23:03:52,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:03:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:03:52,973 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:03:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:03:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-09-26 23:03:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-09-26 23:03:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 23:03:56,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:03:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:03:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:02,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:02,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-09-26 23:04:02,879 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-09-26 23:04:02,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 23:04:02,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:11,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2018-09-26 23:04:11,199 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2018-09-26 23:04:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 23:04:11,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:12,630 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-09-26 23:04:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-09-26 23:04:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 23:04:22,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:23,049 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-09-26 23:04:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-09-26 23:04:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 23:04:36,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:55,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2018-09-26 23:04:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2018-09-26 23:04:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 23:04:55,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:57,104 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 40 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-09-26 23:05:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-09-26 23:05:18,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 23:05:18,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:23,038 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:48,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2018-09-26 23:05:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2018-09-26 23:05:48,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 23:05:48,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 57 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:24,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:24,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2018-09-26 23:06:24,262 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2018-09-26 23:06:24,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 23:06:24,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 54 states and 90 transitions. [2018-09-26 23:07:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 90 transitions. [2018-09-26 23:07:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 23:07:09,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 77 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:01,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 103 transitions. [2018-09-26 23:08:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2018-09-26 23:08:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 23:08:01,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown