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.5.ufo.BOUNDED-10.pals.c_11.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 02:20:18,502 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 02:20:18,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 02:20:18,520 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 02:20:18,520 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 02:20:18,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 02:20:18,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 02:20:18,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 02:20:18,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 02:20:18,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 02:20:18,537 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 02:20:18,539 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 02:20:18,540 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 02:20:18,541 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 02:20:18,545 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 02:20:18,545 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 02:20:18,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 02:20:18,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 02:20:18,559 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 02:20:18,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 02:20:18,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 02:20:18,563 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 02:20:18,565 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 02:20:18,566 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 02:20:18,566 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 02:20:18,567 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 02:20:18,568 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 02:20:18,569 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 02:20:18,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 02:20:18,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 02:20:18,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 02:20:18,571 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 02:20:18,571 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 02:20:18,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 02:20:18,573 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 02:20:18,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 02:20:18,574 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 [2018-10-01 02:20:18,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 02:20:18,593 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 02:20:18,594 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 02:20:18,594 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 02:20:18,594 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 02:20:18,595 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 02:20:18,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 02:20:18,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 02:20:18,598 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 02:20:18,599 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 02:20:18,599 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 02:20:18,599 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 02:20:18,599 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 02:20:18,599 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 02:20:18,599 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 02:20:18,600 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 02:20:18,600 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 02:20:18,600 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 02:20:18,600 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 02:20:18,601 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 02:20:18,601 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 02:20:18,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:20:18,601 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 02:20:18,601 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 02:20:18,602 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 02:20:18,602 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 02:20:18,602 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 02:20:18,602 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 02:20:18,602 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 02:20:18,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 02:20:18,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 02:20:18,669 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 02:20:18,671 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 02:20:18,671 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 02:20:18,672 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl [2018-10-01 02:20:18,672 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl' [2018-10-01 02:20:18,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 02:20:18,754 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 02:20:18,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 02:20:18,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 02:20:18,756 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 02:20:18,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (1/1) ... [2018-10-01 02:20:18,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (1/1) ... [2018-10-01 02:20:18,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 02:20:18,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 02:20:18,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 02:20:18,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 02:20:18,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (1/1) ... [2018-10-01 02:20:18,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (1/1) ... [2018-10-01 02:20:18,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (1/1) ... [2018-10-01 02:20:18,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (1/1) ... [2018-10-01 02:20:18,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (1/1) ... [2018-10-01 02:20:18,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (1/1) ... [2018-10-01 02:20:18,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (1/1) ... [2018-10-01 02:20:18,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 02:20:18,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 02:20:18,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 02:20:18,861 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 02:20:18,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:20:18" (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 [2018-10-01 02:20:18,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 02:20:18,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 02:20:20,102 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 02:20:20,103 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:20:20 BoogieIcfgContainer [2018-10-01 02:20:20,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 02:20:20,104 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 02:20:20,104 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 02:20:20,116 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 02:20:20,116 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:20:20" (1/1) ... [2018-10-01 02:20:20,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 02:20:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:20:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-01 02:20:20,175 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-01 02:20:20,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 02:20:20,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:20:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:20:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:20:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:20:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-01 02:20:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-01 02:20:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 02:20:20,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:20:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:20:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:20:22,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:20:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-01 02:20:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-01 02:20:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 02:20:22,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:20:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:20:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:20:23,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:20:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-10-01 02:20:23,696 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-10-01 02:20:23,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 02:20:23,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:20:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:20:24,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:20:25,317 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 20 [2018-10-01 02:20:26,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:20:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 21 states and 42 transitions. [2018-10-01 02:20:26,461 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 42 transitions. [2018-10-01 02:20:26,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 02:20:26,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:20:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:20:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:20:26,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:20:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 22 states and 43 transitions. [2018-10-01 02:20:26,809 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 43 transitions. [2018-10-01 02:20:26,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:20:26,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:20:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:20:28,350 WARN L178 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2018-10-01 02:20:28,530 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:20:29,436 WARN L178 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-10-01 02:20:30,419 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2018-10-01 02:20:31,059 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-01 02:20:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:20:31,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 26 states and 54 transitions. [2018-10-01 02:20:31,738 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 54 transitions. [2018-10-01 02:20:31,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:20:31,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:20:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:20:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:20:32,755 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-10-01 02:20:33,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:20:33,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 27 states and 55 transitions. [2018-10-01 02:20:33,465 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 55 transitions. [2018-10-01 02:20:33,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:20:33,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:20:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:20:34,754 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 17 [2018-10-01 02:20:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-01 02:20:35,387 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-10-01 02:20:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:20:37,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2018-10-01 02:20:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2018-10-01 02:20:37,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-01 02:20:37,719 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 0 iterations. [2018-10-01 02:20:37,729 INFO L776 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-01 02:20:37,742 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.10 02:20:37 ImpRootNode [2018-10-01 02:20:37,742 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-01 02:20:37,743 INFO L168 Benchmark]: Toolchain (without parser) took 18990.93 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 35.7 MB). Free memory was 1.5 GB in the beginning and 892.2 MB in the end (delta: 562.4 MB). Peak memory consumption was 598.1 MB. Max. memory is 7.1 GB. [2018-10-01 02:20:37,744 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-01 02:20:37,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.82 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. [2018-10-01 02:20:37,745 INFO L168 Benchmark]: Boogie Preprocessor took 58.35 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. [2018-10-01 02:20:37,746 INFO L168 Benchmark]: RCFGBuilder took 1242.24 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. [2018-10-01 02:20:37,747 INFO L168 Benchmark]: CodeCheck took 17638.35 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 35.7 MB). Free memory was 1.4 GB in the beginning and 892.2 MB in the end (delta: 488.4 MB). Peak memory consumption was 524.1 MB. Max. memory is 7.1 GB. [2018-10-01 02:20:37,752 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, 19 locations, 1 error locations. SAFE Result, 17.5s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 128 SDtfs, 1180 SDslu, 256 SDs, 0 SdLazy, 8418 SolverSat, 2070 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 9382 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 56/148 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: 467]: 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: 310]: Loop Invariant Derived loop invariant: (((((((~r1 <= 0 && ~send3 <= 127) && ~mode3 == 256 * (~mode3 / 256)) && ~mode1 == 256 * (~mode1 / 256)) && 0 == ~nomsg + 1) && ~mode4 == 256 * (~mode4 / 256)) && 0 <= ~send3) && 0 <= ~r1) || (((((((~r1 <= 0 && !(~send3 == 256 * (~send3 / 256) + 255)) && 1 <= ~mode4) && 1 <= ~mode1) && ~mode1 <= 1) && ~mode4 <= 1) && 0 <= ~r1) && !(~p3_old == ~nomsg)) - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((((((((assert_~arg <= 1 && ~r1 <= 0) && !(~send3 == 256 * (~send3 / 256) + 255)) && 1 <= ~mode4) && 1 <= ~mode1) && ~mode1 <= 1) && ~mode4 <= 1) && 1 <= assert_~arg) && 0 <= ~r1) && !(~p3_old == ~nomsg) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 46.82 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 58.35 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 1242.24 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 17638.35 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 35.7 MB). Free memory was 1.4 GB in the beginning and 892.2 MB in the end (delta: 488.4 MB). Peak memory consumption was 524.1 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/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-01_02-20-37-767.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c_11.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_02-20-37-767.csv Received shutdown request...