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/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-133090d [2018-10-04 10:16:17,244 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 10:16:17,246 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 10:16:17,262 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 10:16:17,263 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 10:16:17,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 10:16:17,266 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 10:16:17,268 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 10:16:17,270 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 10:16:17,275 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 10:16:17,276 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 10:16:17,277 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 10:16:17,282 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 10:16:17,285 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 10:16:17,288 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 10:16:17,289 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 10:16:17,289 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 10:16:17,291 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 10:16:17,295 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 10:16:17,300 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 10:16:17,301 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 10:16:17,302 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 10:16:17,308 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 10:16:17,308 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 10:16:17,308 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 10:16:17,310 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 10:16:17,310 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 10:16:17,311 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 10:16:17,313 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 10:16:17,314 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 10:16:17,314 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 10:16:17,315 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 10:16:17,315 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 10:16:17,315 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 10:16:17,316 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 10:16:17,316 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 10:16:17,318 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 10:16:17,337 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 10:16:17,337 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 10:16:17,338 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 10:16:17,338 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 10:16:17,339 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 10:16:17,339 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 10:16:17,339 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 10:16:17,339 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 10:16:17,340 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 10:16:17,340 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 10:16:17,340 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 10:16:17,340 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 10:16:17,340 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 10:16:17,340 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 10:16:17,341 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 10:16:17,341 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 10:16:17,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 10:16:17,341 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 10:16:17,341 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 10:16:17,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 10:16:17,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 10:16:17,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 10:16:17,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 10:16:17,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 10:16:17,343 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 10:16:17,343 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 10:16:17,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 10:16:17,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 10:16:17,343 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 10:16:17,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 10:16:17,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 10:16:17,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 10:16:17,410 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 10:16:17,410 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 10:16:17,411 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl [2018-10-04 10:16:17,411 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl' [2018-10-04 10:16:17,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 10:16:17,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 10:16:17,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 10:16:17,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 10:16:17,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 10:16:17,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (1/1) ... [2018-10-04 10:16:17,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (1/1) ... [2018-10-04 10:16:17,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 10:16:17,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 10:16:17,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 10:16:17,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 10:16:17,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (1/1) ... [2018-10-04 10:16:17,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (1/1) ... [2018-10-04 10:16:17,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (1/1) ... [2018-10-04 10:16:17,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (1/1) ... [2018-10-04 10:16:17,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (1/1) ... [2018-10-04 10:16:17,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (1/1) ... [2018-10-04 10:16:17,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (1/1) ... [2018-10-04 10:16:17,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 10:16:17,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 10:16:17,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 10:16:17,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 10:16:17,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 10:16:17" (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 10:16:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 10:16:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 10:16:19,090 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 10:16:19,091 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:16:19 BoogieIcfgContainer [2018-10-04 10:16:19,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 10:16:19,091 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 10:16:19,092 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 10:16:19,103 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 10:16:19,103 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 10:16:19" (1/1) ... [2018-10-04 10:16:19,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 10:16:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:19,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 10:16:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 10:16:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 10:16:19,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:19,663 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 10:16:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-04 10:16:19,987 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-04 10:16:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 10:16:19,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:20,337 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 10:16:21,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-04 10:16:21,113 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-04 10:16:21,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 10:16:21,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:21,420 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 10:16:22,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:22,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-10-04 10:16:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-10-04 10:16:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 10:16:22,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:22,764 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 10:16:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:23,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-10-04 10:16:23,915 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-10-04 10:16:23,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 10:16:23,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:24,223 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 10:16:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-10-04 10:16:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-10-04 10:16:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 10:16:25,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:26,199 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 10:16:28,135 WARN L178 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2018-10-04 10:16:31,595 WARN L178 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 23 [2018-10-04 10:16:33,235 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-10-04 10:16:34,206 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-10-04 10:16:34,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 50 transitions. [2018-10-04 10:16:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 50 transitions. [2018-10-04 10:16:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 10:16:34,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:35,743 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-04 10:16:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-10-04 10:16:38,432 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-10-04 10:16:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 10:16:38,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 10:16:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 10:16:39,694 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 10:16:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 10:16:40,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-10-04 10:16:40,578 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-10-04 10:16:40,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 10:16:40,579 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-10-04 10:16:40,590 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-04 10:16:40,672 INFO L582 CodeCheckObserver]: Invariant with dag size 33 [2018-10-04 10:16:40,685 INFO L582 CodeCheckObserver]: Invariant with dag size 16 [2018-10-04 10:16:40,686 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 10:16:40 ImpRootNode [2018-10-04 10:16:40,686 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 10:16:40,687 INFO L168 Benchmark]: Toolchain (without parser) took 23177.92 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 109.6 MB). Free memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: -107.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2018-10-04 10:16:40,689 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:16:40,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:16:40,691 INFO L168 Benchmark]: Boogie Preprocessor took 37.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:16:40,692 INFO L168 Benchmark]: RCFGBuilder took 1490.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-10-04 10:16:40,693 INFO L168 Benchmark]: CodeCheck took 21594.96 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 109.6 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -181.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 10:16:40,699 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, 21 locations, 1 error locations. SAFE Result, 21.4s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 128 SDtfs, 1168 SDslu, 256 SDs, 0 SdLazy, 8218 SolverSat, 2170 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 988 GetRequests, 832 SyntacticMatches, 22 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8680 ImplicationChecksByTransitivity, 18.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 6890 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 70/168 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: 543]: 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: 365]: Loop Invariant Derived loop invariant: (((((((~r1 <= 0 && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && ~send2 <= 127) && ~mode2 == 256 * (~mode2 / 256)) && 0 <= ~send2) && 0 == ~nomsg + 1) && 0 <= ~r1) || ((((~mode1 == 1 && ~r1 <= 0) && !(~p2_old == ~nomsg)) && ~mode3 == 1) && 0 <= ~r1) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: ((((~mode1 == 1 && ~r1 <= 0) && assert_~arg == 1) && !(~p2_old == ~nomsg)) && ~mode3 == 1) && 0 <= ~r1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.07 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 1490.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * CodeCheck took 21594.96 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 109.6 MB). Free memory was 1.4 GB in the beginning and 1.6 GB in the end (delta: -181.8 MB). There was no memory consumed. 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/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-04_10-16-40-717.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_10-16-40-717.csv Received shutdown request...