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/scalable/CTR_4bitCounter-incorrect.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 11:52:20,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 11:52:20,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 11:52:20,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 11:52:20,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 11:52:20,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 11:52:20,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 11:52:20,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 11:52:20,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 11:52:20,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 11:52:20,833 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 11:52:20,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 11:52:20,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 11:52:20,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 11:52:20,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 11:52:20,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 11:52:20,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 11:52:20,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 11:52:20,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 11:52:20,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 11:52:20,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 11:52:20,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 11:52:20,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 11:52:20,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 11:52:20,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 11:52:20,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 11:52:20,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 11:52:20,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 11:52:20,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 11:52:20,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 11:52:20,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 11:52:20,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 11:52:20,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 11:52:20,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 11:52:20,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 11:52:20,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 11:52:20,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 11:52:20,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 11:52:20,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 11:52:20,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 11:52:20,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 11:52:20,896 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 11:52:20,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 11:52:20,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 11:52:20,919 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 11:52:20,920 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 11:52:20,921 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-incorrect.bpl [2019-08-05 11:52:20,921 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/scalable/CTR_4bitCounter-incorrect.bpl' [2019-08-05 11:52:20,958 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 11:52:20,959 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-08-05 11:52:20,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 11:52:20,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 11:52:20,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 11:52:20,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:52:20" (1/1) ... [2019-08-05 11:52:20,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:52:20" (1/1) ... [2019-08-05 11:52:20,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:52:20" (1/1) ... [2019-08-05 11:52:20,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:52:20" (1/1) ... [2019-08-05 11:52:21,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:52:20" (1/1) ... [2019-08-05 11:52:21,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:52:20" (1/1) ... [2019-08-05 11:52:21,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:52:20" (1/1) ... [2019-08-05 11:52:21,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 11:52:21,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 11:52:21,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 11:52:21,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 11:52:21,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 11:52:20" (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 11:52:21,085 INFO L124 BoogieDeclarations]: Specification and implementation of procedure Counter given in one single declaration [2019-08-05 11:52:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure Counter [2019-08-05 11:52:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure Counter [2019-08-05 11:52:21,614 INFO L275 CfgBuilder]: Using library mode [2019-08-05 11:52:21,614 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 11:52:21,616 INFO L202 PluginConnector]: Adding new model CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:52:21 BoogieIcfgContainer [2019-08-05 11:52:21,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 11:52:21,616 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-05 11:52:21,617 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-05 11:52:21,617 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-05 11:52:21,619 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "CTR_4bitCounter-incorrect.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 11:52:21" (1/1) ... [2019-08-05 11:52:21,634 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-05 11:52:21,638 INFO L155 IcfgInterpreter]: Building call graph [2019-08-05 11:52:21,645 INFO L160 IcfgInterpreter]: Initial procedures are [Counter] [2019-08-05 11:52:21,653 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-05 11:52:21,655 INFO L184 IcfgInterpreter]: Interpreting procedure Counter with input of size 1 [2019-08-05 11:52:22,033 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-08-05 11:52:22,217 WARN L188 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 65 [2019-08-05 11:52:22,421 WARN L188 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 88 [2019-08-05 11:52:22,680 WARN L188 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 111 [2019-08-05 11:52:23,026 WARN L188 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 134 [2019-08-05 11:52:23,469 WARN L188 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 157 [2019-08-05 11:52:24,092 WARN L188 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 180 [2019-08-05 11:52:24,794 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2019-08-05 11:52:24,795 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-05 11:52:24,795 INFO L176 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-05 11:52:24,798 INFO L178 IcfgInterpreter]: Location CounterErr0ASSERT_VIOLATIONASSERT has predicate 50#(and (exists ((v_Counter_x2_34 Int) (v_Counter_x0_26 Int) (v_Counter_x1_30 Int)) (and (or (and (= 0 Counter_x0) (or (and (= Counter_x2 v_Counter_x2_34) (= 0 v_Counter_x1_30) (= 0 Counter_x3) (= 1 Counter_x1)) (and (or (and (= 1 Counter_x3) (not (= 0 v_Counter_x2_34)) (= 0 Counter_x2)) (and (= 1 Counter_x2) (= 0 Counter_x3) (= 0 v_Counter_x2_34))) (not (= 0 v_Counter_x1_30)) (= 0 Counter_x1))) (not (= 0 v_Counter_x0_26))) (and (= Counter_x2 v_Counter_x2_34) (= 0 Counter_x3) (= 1 Counter_x0) (= Counter_x1 v_Counter_x1_30) (= 0 v_Counter_x0_26))) (or (and (= 0 v_Counter_x1_30) (= 0 v_Counter_x0_26) (= 0 v_Counter_x2_34)) (exists ((v_Counter_x2_33 Int) (v_Counter_x0_25 Int) (v_Counter_x1_29 Int)) (and (or (exists ((v_Counter_x2_32 Int) (v_Counter_x0_24 Int) (v_Counter_x1_28 Int)) (and (or (exists ((v_Counter_x1_27 Int) (v_Counter_x0_23 Int) (v_Counter_x2_31 Int)) (and (or (and (= 0 v_Counter_x0_24) (or (and (= v_Counter_x2_32 v_Counter_x2_31) (= 0 v_Counter_x1_27) (= 1 v_Counter_x1_28)) (and (not (= 0 v_Counter_x1_27)) (= 0 v_Counter_x1_28) (= 0 v_Counter_x2_31) (= 1 v_Counter_x2_32))) (not (= 0 v_Counter_x0_23))) (and (= v_Counter_x2_32 v_Counter_x2_31) (= 1 v_Counter_x0_24) (= v_Counter_x1_27 v_Counter_x1_28) (= 0 v_Counter_x0_23))) (or (and (= 0 v_Counter_x1_27) (= 0 v_Counter_x2_31) (= 0 v_Counter_x0_23)) (exists ((v_Counter_x0_22 Int) (v_Counter_x1_26 Int) (v_Counter_x2_30 Int)) (and (or (exists ((v_Counter_x0_21 Int) (v_Counter_x1_25 Int) (v_Counter_x2_29 Int)) (and (or (and (= 0 v_Counter_x0_21) (= 1 v_Counter_x0_22) (= v_Counter_x2_29 v_Counter_x2_30) (= v_Counter_x1_26 v_Counter_x1_25)) (and (not (= 0 v_Counter_x0_21)) (or (and (= 0 v_Counter_x1_25) (= v_Counter_x2_29 v_Counter_x2_30) (= 1 v_Counter_x1_26)) (and (= 1 v_Counter_x2_30) (= 0 v_Counter_x1_26) (not (= 0 v_Counter_x1_25)) (= 0 v_Counter_x2_29))) (= 0 v_Counter_x0_22))) (or (and (= 0 v_Counter_x0_21) (= 0 v_Counter_x1_25) (= 0 v_Counter_x2_29)) (exists ((v_Counter_x0_20 Int) (v_Counter_x2_28 Int) (v_Counter_x1_24 Int)) (and (or (and (= 0 v_Counter_x0_21) (not (= 0 v_Counter_x0_20)) (or (and (= v_Counter_x2_29 v_Counter_x2_28) (= 0 v_Counter_x1_24) (= 1 v_Counter_x1_25)) (and (= 0 v_Counter_x1_25) (= 1 v_Counter_x2_29) (= 0 v_Counter_x2_28) (not (= 0 v_Counter_x1_24))))) (and (= 1 v_Counter_x0_21) (= v_Counter_x2_29 v_Counter_x2_28) (= 0 v_Counter_x0_20) (= v_Counter_x1_25 v_Counter_x1_24))) (or (exists ((v_Counter_x1_23 Int) (v_Counter_x2_27 Int) (v_Counter_x0_19 Int)) (and (or (and (= 0 v_Counter_x2_27) (= 0 v_Counter_x0_19) (= 0 v_Counter_x1_23)) (and (= 1 v_Counter_x0_19) (= 0 v_Counter_x2_27) (= 0 v_Counter_x1_23))) (or (and (not (= 0 v_Counter_x0_19)) (= 0 v_Counter_x0_20) (or (and (= v_Counter_x2_28 v_Counter_x2_27) (= 1 v_Counter_x1_24) (= 0 v_Counter_x1_23)) (and (not (= 0 v_Counter_x1_23)) (= 0 v_Counter_x2_27) (= 1 v_Counter_x2_28) (= 0 v_Counter_x1_24)))) (and (= v_Counter_x2_28 v_Counter_x2_27) (= v_Counter_x1_24 v_Counter_x1_23) (= 1 v_Counter_x0_20) (= 0 v_Counter_x0_19))))) (and (= 0 v_Counter_x0_20) (= 0 v_Counter_x1_24) (= 0 v_Counter_x2_28)))))))) (and (= 0 v_Counter_x1_26) (= 0 v_Counter_x2_30) (= 0 v_Counter_x0_22))) (or (and (= v_Counter_x1_27 v_Counter_x1_26) (= v_Counter_x2_31 v_Counter_x2_30) (= 1 v_Counter_x0_23) (= 0 v_Counter_x0_22)) (and (not (= 0 v_Counter_x0_22)) (or (and (= 0 v_Counter_x1_26) (= v_Counter_x2_31 v_Counter_x2_30) (= 1 v_Counter_x1_27)) (and (not (= 0 v_Counter_x1_26)) (= 0 v_Counter_x1_27) (= 0 v_Counter_x2_30) (= 1 v_Counter_x2_31))) (= 0 v_Counter_x0_23)))))))) (and (= 0 v_Counter_x0_24) (= 0 v_Counter_x1_28) (= 0 v_Counter_x2_32))) (or (and (= 0 v_Counter_x0_25) (or (and (= 0 v_Counter_x1_28) (= v_Counter_x2_33 v_Counter_x2_32) (= 1 v_Counter_x1_29)) (and (not (= 0 v_Counter_x1_28)) (= 0 v_Counter_x2_32) (= 0 v_Counter_x1_29) (= 1 v_Counter_x2_33))) (not (= 0 v_Counter_x0_24))) (and (= 0 v_Counter_x0_24) (= v_Counter_x2_33 v_Counter_x2_32) (= 1 v_Counter_x0_25) (= v_Counter_x1_29 v_Counter_x1_28))))) (and (= 0 v_Counter_x0_25) (= 0 v_Counter_x2_33) (= 0 v_Counter_x1_29))) (or (and (= 0 v_Counter_x0_25) (= 1 v_Counter_x0_26) (= v_Counter_x1_29 v_Counter_x1_30) (= v_Counter_x2_34 v_Counter_x2_33)) (and (not (= 0 v_Counter_x0_25)) (or (and (= 1 v_Counter_x2_34) (= 0 v_Counter_x2_33) (= 0 v_Counter_x1_30) (not (= 0 v_Counter_x1_29))) (and (= 1 v_Counter_x1_30) (= 0 v_Counter_x1_29) (= v_Counter_x2_34 v_Counter_x2_33))) (= 0 v_Counter_x0_26)))))))) (not (= 0 Counter_x3))) [2019-08-05 11:52:24,817 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-05 11:52:24,820 INFO L168 Benchmark]: Toolchain (without parser) took 3859.35 ms. Allocated memory was 141.6 MB in the beginning and 175.6 MB in the end (delta: 34.1 MB). Free memory was 111.1 MB in the beginning and 113.6 MB in the end (delta: -2.5 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-08-05 11:52:24,822 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 141.6 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 11:52:24,823 INFO L168 Benchmark]: Boogie Preprocessor took 50.18 ms. Allocated memory is still 141.6 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-05 11:52:24,824 INFO L168 Benchmark]: RCFGBuilder took 605.52 ms. Allocated memory is still 141.6 MB. Free memory was 108.9 MB in the beginning and 94.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. [2019-08-05 11:52:24,826 INFO L168 Benchmark]: Symbolic Interpretation took 3200.71 ms. Allocated memory was 141.6 MB in the beginning and 175.6 MB in the end (delta: 34.1 MB). Free memory was 94.0 MB in the beginning and 113.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2019-08-05 11:52:24,830 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 29]: 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 141.6 MB. Free memory is still 112.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.18 ms. Allocated memory is still 141.6 MB. Free memory was 111.1 MB in the beginning and 108.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 605.52 ms. Allocated memory is still 141.6 MB. Free memory was 108.9 MB in the beginning and 94.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3200.71 ms. Allocated memory was 141.6 MB in the beginning and 175.6 MB in the end (delta: 34.1 MB). Free memory was 94.0 MB in the beginning and 113.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...