java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/Sifa.xml -i ../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call.c_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:44:12,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:44:12,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:44:12,330 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:44:12,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:44:12,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:44:12,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:44:12,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:44:12,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:44:12,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:44:12,349 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:44:12,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:44:12,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:44:12,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:44:12,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:44:12,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:44:12,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:44:12,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:44:12,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:44:12,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:44:12,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:44:12,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:44:12,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:44:12,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:44:12,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:44:12,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:44:12,366 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:44:12,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:44:12,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:44:12,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:44:12,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:44:12,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:44:12,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:44:12,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:44:12,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:44:12,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:44:12,374 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:44:12,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:44:12,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:44:12,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:44:12,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:44:12,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:44:12,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:44:12,423 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:44:12,425 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:44:12,425 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:44:12,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call.c_4.bpl [2019-08-05 11:44:12,426 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/nested_true-unreach-call.c_4.bpl' [2019-08-05 11:44:12,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:44:12,468 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:44:12,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:44:12,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:44:12,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:44:12,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:12" (1/1) ... [2019-08-05 11:44:12,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:12" (1/1) ... [2019-08-05 11:44:12,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:12" (1/1) ... [2019-08-05 11:44:12,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:12" (1/1) ... [2019-08-05 11:44:12,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:12" (1/1) ... [2019-08-05 11:44:12,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:12" (1/1) ... [2019-08-05 11:44:12,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:12" (1/1) ... [2019-08-05 11:44:12,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:44:12,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:44:12,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:44:12,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:44:12,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:44:12" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-08-05 11:44:12,574 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 11:44:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 11:44:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 11:44:12,744 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 11:44:12,744 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:44:12,745 INFO L202 PluginConnector]: Adding new model nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:44:12 BoogieIcfgContainer [2019-08-05 11:44:12,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:44:12,746 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:44:12,746 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:44:12,746 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:44:12,748 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "nested_true-unreach-call.c_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:44:12" (1/1) ... [2019-08-05 11:44:12,760 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:44:12,763 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:44:12,770 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-05 11:44:12,779 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:44:12,781 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-05 11:44:13,127 WARN L188 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2019-08-05 11:44:13,279 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2019-08-05 11:44:13,669 WARN L188 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-08-05 11:44:14,162 WARN L188 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-08-05 11:44:14,795 WARN L188 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-08-05 11:44:15,032 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-08-05 11:44:15,168 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 30 [2019-08-05 11:44:15,169 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:44:15,169 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:44:15,174 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 28#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (and (= ULTIMATE.start_main_~c~0 200000) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~a~0)) 1 0)) (< ULTIMATE.start_main_~c~0 200001) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (not (< ULTIMATE.start_main_~c~0 200000)) (or (not (= ULTIMATE.start_main_~c~0 ~last~0)) (not (= ULTIMATE.start_main_~st~0 0))) (not (= (+ ~last~0 1) ULTIMATE.start_main_~c~0))) [2019-08-05 11:44:15,182 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:44:15,185 INFO L168 Benchmark]: Toolchain (without parser) took 2715.81 ms. Allocated memory was 137.9 MB in the beginning and 179.8 MB in the end (delta: 41.9 MB). Free memory was 107.5 MB in the beginning and 82.8 MB in the end (delta: 24.7 MB). Peak memory consumption was 66.6 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:15,186 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:44:15,187 INFO L168 Benchmark]: Boogie Preprocessor took 37.18 ms. Allocated memory is still 137.9 MB. Free memory was 107.1 MB in the beginning and 105.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:15,188 INFO L168 Benchmark]: RCFGBuilder took 239.45 ms. Allocated memory is still 137.9 MB. Free memory was 104.9 MB in the beginning and 94.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:15,189 INFO L168 Benchmark]: Symbolic Interpretation took 2436.37 ms. Allocated memory was 137.9 MB in the beginning and 179.8 MB in the end (delta: 41.9 MB). Free memory was 94.9 MB in the beginning and 82.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:44:15,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 61]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * 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 137.9 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.18 ms. Allocated memory is still 137.9 MB. Free memory was 107.1 MB in the beginning and 105.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 239.45 ms. Allocated memory is still 137.9 MB. Free memory was 104.9 MB in the beginning and 94.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2436.37 ms. Allocated memory was 137.9 MB in the beginning and 179.8 MB in the end (delta: 41.9 MB). Free memory was 94.9 MB in the beginning and 82.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 54.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...