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/20170304-DifficultPathPrograms/count_by_1_variant.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-04 21:56:02,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-04 21:56:02,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-04 21:56:02,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-04 21:56:02,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-04 21:56:02,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-04 21:56:02,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-04 21:56:02,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-04 21:56:02,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-04 21:56:02,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-04 21:56:02,077 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-04 21:56:02,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-04 21:56:02,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-04 21:56:02,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-04 21:56:02,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-04 21:56:02,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-04 21:56:02,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-04 21:56:02,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-04 21:56:02,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-04 21:56:02,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-04 21:56:02,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-04 21:56:02,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-04 21:56:02,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-04 21:56:02,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-04 21:56:02,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-04 21:56:02,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-04 21:56:02,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-04 21:56:02,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-04 21:56:02,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-04 21:56:02,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-04 21:56:02,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-04 21:56:02,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-04 21:56:02,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-04 21:56:02,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-04 21:56:02,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-04 21:56:02,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-04 21:56:02,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-04 21:56:02,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-04 21:56:02,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-04 21:56:02,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-04 21:56:02,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-04 21:56:02,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-04 21:56:02,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-04 21:56:02,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-04 21:56:02,200 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-04 21:56:02,201 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-04 21:56:02,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1_variant.i_2.bpl [2019-08-04 21:56:02,202 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1_variant.i_2.bpl' [2019-08-04 21:56:02,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-04 21:56:02,238 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-04 21:56:02,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-04 21:56:02,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-04 21:56:02,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-04 21:56:02,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:02" (1/1) ... [2019-08-04 21:56:02,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:02" (1/1) ... [2019-08-04 21:56:02,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:02" (1/1) ... [2019-08-04 21:56:02,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:02" (1/1) ... [2019-08-04 21:56:02,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:02" (1/1) ... [2019-08-04 21:56:02,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:02" (1/1) ... [2019-08-04 21:56:02,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:02" (1/1) ... [2019-08-04 21:56:02,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-04 21:56:02,286 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-04 21:56:02,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-04 21:56:02,286 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-04 21:56:02,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.08 09:56:02" (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 [2019-08-04 21:56:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-04 21:56:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-04 21:56:02,614 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-04 21:56:02,614 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-04 21:56:02,615 INFO L202 PluginConnector]: Adding new model count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:56:02 BoogieIcfgContainer [2019-08-04 21:56:02,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-04 21:56:02,616 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-04 21:56:02,616 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-04 21:56:02,616 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-04 21:56:02,618 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.08 09:56:02" (1/1) ... [2019-08-04 21:56:02,628 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-04 21:56:02,631 INFO L155 IcfgInterpreter]: Building call graph [2019-08-04 21:56:02,638 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-04 21:56:02,646 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-04 21:56:02,648 INFO L184 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-04 21:56:02,863 WARN L188 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2019-08-04 21:56:03,038 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2019-08-04 21:56:03,300 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-08-04 21:56:03,460 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2019-08-04 21:56:03,673 WARN L188 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 49 [2019-08-04 21:56:03,937 WARN L188 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 66 [2019-08-04 21:56:04,085 WARN L188 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2019-08-04 21:56:04,264 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 83 [2019-08-04 21:56:04,895 WARN L188 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 117 [2019-08-04 21:56:05,215 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 134 [2019-08-04 21:56:05,402 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 148 [2019-08-04 21:56:05,701 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 151 [2019-08-04 21:56:06,165 WARN L188 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 168 [2019-08-04 21:56:06,614 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 185 [2019-08-04 21:56:07,109 WARN L188 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 202 [2019-08-04 21:56:28,343 WARN L188 SmtUtils]: Spent 21.07 s on a formula simplification that was a NOOP. DAG size: 287 [2019-08-04 21:56:28,394 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-04 21:56:28,394 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-04 21:56:28,398 INFO L178 IcfgInterpreter]: Location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT has predicate 93#(and (= |ULTIMATE.start___VERIFIER_assert_#in~cond| (ite (<= ULTIMATE.start_main_~i~4 1000000) 1 0)) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2019-08-04 21:56:28,406 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-04 21:56:28,407 INFO L168 Benchmark]: Toolchain (without parser) took 26168.74 ms. Allocated memory was 142.6 MB in the beginning and 205.5 MB in the end (delta: 62.9 MB). Free memory was 112.2 MB in the beginning and 124.8 MB in the end (delta: -12.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:28,408 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory was 113.5 MB in the beginning and 113.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-08-04 21:56:28,409 INFO L168 Benchmark]: Boogie Preprocessor took 46.28 ms. Allocated memory is still 142.6 MB. Free memory was 112.2 MB in the beginning and 110.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:28,410 INFO L168 Benchmark]: RCFGBuilder took 330.05 ms. Allocated memory is still 142.6 MB. Free memory was 110.0 MB in the beginning and 100.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:28,411 INFO L168 Benchmark]: Symbolic Interpretation took 25789.90 ms. Allocated memory was 142.6 MB in the beginning and 205.5 MB in the end (delta: 62.9 MB). Free memory was 100.8 MB in the beginning and 124.8 MB in the end (delta: -24.0 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. [2019-08-04 21:56:28,415 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 34]: 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 142.6 MB. Free memory was 113.5 MB in the beginning and 113.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.28 ms. Allocated memory is still 142.6 MB. Free memory was 112.2 MB in the beginning and 110.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 330.05 ms. Allocated memory is still 142.6 MB. Free memory was 110.0 MB in the beginning and 100.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 25789.90 ms. Allocated memory was 142.6 MB in the beginning and 205.5 MB in the end (delta: 62.9 MB). Free memory was 100.8 MB in the beginning and 124.8 MB in the end (delta: -24.0 MB). Peak memory consumption was 75.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...