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/sum04.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:18:57,112 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:18:57,114 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:18:57,125 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:18:57,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:18:57,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:18:57,128 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:18:57,130 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:18:57,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:18:57,132 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:18:57,133 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:18:57,133 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:18:57,134 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:18:57,135 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:18:57,136 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:18:57,137 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:18:57,138 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:18:57,140 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:18:57,142 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:18:57,143 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:18:57,145 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:18:57,146 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:18:57,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:18:57,149 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:18:57,149 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:18:57,150 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:18:57,151 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:18:57,152 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:18:57,153 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:18:57,154 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:18:57,154 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:18:57,155 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:18:57,155 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:18:57,155 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:18:57,158 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:18:57,159 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:18:57,159 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 10:18:57,183 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:18:57,184 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:18:57,185 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:18:57,185 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:18:57,185 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:18:57,186 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:18:57,186 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:18:57,186 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:18:57,186 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:18:57,186 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:18:57,187 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:18:57,187 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:18:57,187 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:18:57,187 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:18:57,187 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:18:57,187 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:18:57,188 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:18:57,188 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:18:57,188 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:18:57,188 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:18:57,188 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:18:57,189 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:18:57,189 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:18:57,189 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:18:57,189 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:18:57,189 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:18:57,190 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:18:57,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:18:57,190 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:18:57,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:18:57,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:18:57,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:18:57,272 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:18:57,272 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:18:57,273 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum04.i_3.bpl [2018-10-04 10:18:57,274 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum04.i_3.bpl' [2018-10-04 10:18:57,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:18:57,338 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:18:57,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:18:57,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:18:57,339 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:18:57,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,383 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:18:57,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:18:57,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:18:57,384 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:18:57,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:18:57,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:18:57,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:18:57,408 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:18:57,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:18:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:18:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:18:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:18:57,719 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:18:57,720 INFO L202 PluginConnector]: Adding new model sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:18:57 BoogieIcfgContainer [2018-10-04 10:18:57,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:18:57,721 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:18:57,721 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:18:57,732 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:18:57,733 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:18:57" (1/1) ... [2018-10-04 10:18:57,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:18:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:57,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 10:18:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 10:18:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:18:57,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:57,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:58,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-04 10:18:58,197 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-04 10:18:58,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:18:58,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:58,303 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 10:18:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-10-04 10:18:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-10-04 10:18:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:18:58,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:18:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:58,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-04 10:18:58,739 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-04 10:18:58,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:18:58,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:58,890 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 10:18:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-10-04 10:18:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-04 10:18:59,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:18:59,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:59,192 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 10:18:59,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:59,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-10-04 10:18:59,402 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-04 10:18:59,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:18:59,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:59,464 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 10:18:59,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:18:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-10-04 10:18:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-10-04 10:18:59,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:18:59,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:18:59,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:18:59,910 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 10:19:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:00,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-10-04 10:19:00,113 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-10-04 10:19:00,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:19:00,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:00,192 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 10:19:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-10-04 10:19:00,376 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-10-04 10:19:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 10:19:00,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:00,913 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 10:19:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:02,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-10-04 10:19:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-10-04 10:19:02,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 10:19:02,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:19:02,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:19:03,128 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 10:19:03,897 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-04 10:19:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:19:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 19 states and 18 transitions. [2018-10-04 10:19:04,169 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-10-04 10:19:04,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 10:19:04,171 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-10-04 10:19:04,181 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-04 10:19:04,293 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-10-04 10:19:04,363 INFO L582 CodeCheckObserver]: Invariant with dag size 60 [2018-10-04 10:19:04,375 INFO L582 CodeCheckObserver]: Invariant with dag size 60 [2018-10-04 10:19:04,377 INFO L202 PluginConnector]: Adding new model sum04.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 10:19:04 ImpRootNode [2018-10-04 10:19:04,378 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 10:19:04,378 INFO L168 Benchmark]: Toolchain (without parser) took 7041.65 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 55.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -58.2 MB). Peak memory consumption was 486.1 MB. Max. memory is 7.1 GB. [2018-10-04 10:19:04,380 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 10:19:04,381 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.43 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 10:19:04,382 INFO L168 Benchmark]: Boogie Preprocessor took 23.81 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 10:19:04,383 INFO L168 Benchmark]: RCFGBuilder took 312.21 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 10:19:04,384 INFO L168 Benchmark]: CodeCheck took 6657.08 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 55.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -79.4 MB). Peak memory consumption was 465.0 MB. Max. memory is 7.1 GB. [2018-10-04 10:19:04,390 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 6.4s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1536 SDtfs, 3132 SDslu, 5240 SDs, 0 SdLazy, 8822 SolverSat, 4674 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 924 GetRequests, 754 SyntacticMatches, 80 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3610 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 6354 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 90/330 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((((((1 <= main_~i~4 && main_~sn~4 <= 0) && 0 <= main_~sn~4) && main_~i~4 <= 1) || (((8 <= main_~sn~4 && main_~i~4 <= 5) && 4 < main_~i~4) && main_~sn~4 <= 8)) || (((main_~i~4 <= 3 && 4 <= main_~sn~4) && 2 < main_~i~4) && main_~sn~4 <= 4)) || (((main_~i~4 <= 7 && main_~sn~4 <= 12) && 12 <= main_~sn~4) && 6 < main_~i~4)) || (((2 <= main_~sn~4 && main_~i~4 <= 2) && main_~sn~4 <= 2) && 1 < main_~i~4)) || (((7 < main_~i~4 && main_~sn~4 <= 14) && main_~i~4 <= 8) && 14 <= main_~sn~4)) || ((main_~sn~4 <= 16 && 8 < main_~i~4) && 16 <= main_~sn~4)) || (((main_~sn~4 <= 6 && main_~i~4 <= 4) && 3 < main_~i~4) && 6 <= main_~sn~4)) || (((main_~sn~4 <= 10 && 10 <= main_~sn~4) && 5 < main_~i~4) && main_~i~4 <= 6) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((((((((1 <= main_~i~4 && main_~sn~4 <= 0) && 0 <= main_~sn~4) && main_~i~4 <= 1) || (((8 <= main_~sn~4 && main_~i~4 <= 5) && 4 < main_~i~4) && main_~sn~4 <= 8)) || (((main_~i~4 <= 3 && 4 <= main_~sn~4) && 2 < main_~i~4) && main_~sn~4 <= 4)) || (((main_~i~4 <= 7 && main_~sn~4 <= 12) && 12 <= main_~sn~4) && 6 < main_~i~4)) || (((2 <= main_~sn~4 && main_~i~4 <= 2) && main_~sn~4 <= 2) && 1 < main_~i~4)) || (((7 < main_~i~4 && main_~sn~4 <= 14) && main_~i~4 <= 8) && 14 <= main_~sn~4)) || ((main_~sn~4 <= 16 && 8 < main_~i~4) && 16 <= main_~sn~4)) || (((main_~sn~4 <= 6 && main_~i~4 <= 4) && 3 < main_~i~4) && 6 <= main_~sn~4)) || (((main_~sn~4 <= 10 && 10 <= main_~sn~4) && 5 < main_~i~4) && main_~i~4 <= 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 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 44.43 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 23.81 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 312.21 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 6657.08 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 55.6 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -79.4 MB). Peak memory consumption was 465.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum04.i_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-04_10-19-04-405.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum04.i_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-19-04-405.csv Received shutdown request...