java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 16:44:29,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 16:44:29,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 16:44:29,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 16:44:29,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 16:44:29,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 16:44:29,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 16:44:29,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 16:44:29,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 16:44:29,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 16:44:29,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 16:44:29,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 16:44:29,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 16:44:29,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 16:44:29,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 16:44:29,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 16:44:29,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 16:44:29,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 16:44:29,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 16:44:29,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 16:44:29,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 16:44:29,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 16:44:29,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 16:44:29,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 16:44:29,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 16:44:29,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 16:44:29,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 16:44:29,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 16:44:29,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 16:44:29,862 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 16:44:29,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 16:44:29,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 16:44:29,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 16:44:29,863 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 16:44:29,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 16:44:29,864 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 16:44:29,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 16:44:29,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 16:44:29,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 16:44:29,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 16:44:29,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 16:44:29,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 16:44:29,865 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 16:44:29,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 16:44:29,866 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 16:44:29,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 16:44:29,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 16:44:29,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 16:44:29,868 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 16:44:29,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 16:44:29,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 16:44:29,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 16:44:29,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 16:44:29,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 16:44:29,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 16:44:29,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 16:44:29,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 16:44:29,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 16:44:29,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 16:44:29,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 16:44:29,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 16:44:29,932 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 16:44:29,933 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 16:44:29,933 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 16:44:29,996 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/231293060/cd906d00a20b4ecb947be0852e9223d2/FLAG9efce9b80 [2019-09-20 16:44:30,511 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 16:44:30,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 16:44:30,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/231293060/cd906d00a20b4ecb947be0852e9223d2/FLAG9efce9b80 [2019-09-20 16:44:30,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/231293060/cd906d00a20b4ecb947be0852e9223d2 [2019-09-20 16:44:30,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 16:44:30,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 16:44:30,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:30,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 16:44:30,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 16:44:30,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:30" (1/1) ... [2019-09-20 16:44:30,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4701f25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:30, skipping insertion in model container [2019-09-20 16:44:30,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 04:44:30" (1/1) ... [2019-09-20 16:44:30,923 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 16:44:30,966 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 16:44:31,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:31,182 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 16:44:31,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 16:44:31,341 INFO L192 MainTranslator]: Completed translation [2019-09-20 16:44:31,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31 WrapperNode [2019-09-20 16:44:31,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 16:44:31,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 16:44:31,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 16:44:31,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 16:44:31,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (1/1) ... [2019-09-20 16:44:31,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 16:44:31,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 16:44:31,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 16:44:31,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 16:44:31,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 04:44:31" (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:2000 (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:2000 [2019-09-20 16:44:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 16:44:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 16:44:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 16:44:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 16:44:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 16:44:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 16:44:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 16:44:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 16:44:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 16:44:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 16:44:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 16:44:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 16:44:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 16:44:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 16:44:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 16:44:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 16:44:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 16:44:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 16:44:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 16:44:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 16:44:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 16:44:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 16:44:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 16:44:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 16:44:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 16:44:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 16:44:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 16:44:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 16:44:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 16:44:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 16:44:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 16:44:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 16:44:32,074 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 16:44:32,074 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 16:44:32,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:32 BoogieIcfgContainer [2019-09-20 16:44:32,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 16:44:32,077 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 16:44:32,077 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 16:44:32,077 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 16:44:32,079 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 04:44:32" (1/1) ... [2019-09-20 16:44:32,079 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 16:44:32,111 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 16:44:32,112 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 16:44:32,127 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 16:44:32,139 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 16:44:32,140 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 16:44:32,347 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-09-20 16:44:32,366 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 77 for LOIs [2019-09-20 16:44:32,483 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 75 for LOIs [2019-09-20 16:44:37,316 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 16:44:37,671 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 16:44:37,679 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 78 for LOIs [2019-09-20 16:44:38,983 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 33 for LOIs [2019-09-20 16:44:39,391 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 15 for LOIs [2019-09-20 16:44:39,410 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 16:44:39,410 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 16:44:39,412 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1400#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (<= ~q_free~0 1) (<= 2 ~q_read_ev~0) (<= ~q_read_ev~0 2) (<= 1 ~q_free~0)) [2019-09-20 16:44:39,424 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 16:44:39,424 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 16:44:39,426 INFO L168 Benchmark]: Toolchain (without parser) took 8520.72 ms. Allocated memory was 131.6 MB in the beginning and 366.0 MB in the end (delta: 234.4 MB). Free memory was 85.8 MB in the beginning and 81.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 238.5 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:39,426 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 16:44:39,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 436.14 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.4 MB in the beginning and 174.7 MB in the end (delta: -89.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:39,429 INFO L168 Benchmark]: Boogie Preprocessor took 39.34 ms. Allocated memory is still 199.2 MB. Free memory was 174.7 MB in the beginning and 172.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:39,430 INFO L168 Benchmark]: RCFGBuilder took 693.97 ms. Allocated memory is still 199.2 MB. Free memory was 172.8 MB in the beginning and 135.9 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:39,437 INFO L168 Benchmark]: Sifa took 7347.53 ms. Allocated memory was 199.2 MB in the beginning and 366.0 MB in the end (delta: 166.7 MB). Free memory was 135.9 MB in the beginning and 81.7 MB in the end (delta: 54.2 MB). Peak memory consumption was 220.9 MB. Max. memory is 7.1 GB. [2019-09-20 16:44:39,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 436.14 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 85.4 MB in the beginning and 174.7 MB in the end (delta: -89.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.34 ms. Allocated memory is still 199.2 MB. Free memory was 174.7 MB in the beginning and 172.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 693.97 ms. Allocated memory is still 199.2 MB. Free memory was 172.8 MB in the beginning and 135.9 MB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 7.1 GB. * Sifa took 7347.53 ms. Allocated memory was 199.2 MB in the beginning and 366.0 MB in the end (delta: 166.7 MB). Free memory was 135.9 MB in the beginning and 81.7 MB in the end (delta: 54.2 MB). Peak memory consumption was 220.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 7301, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1028, DAG_INTERPRETER_EARLY_EXITS: 5, TOOLS_POST_APPLICATIONS: 796, TOOLS_POST_TIME[ms]: 237, TOOLS_POST_CALL_APPLICATIONS: 162, TOOLS_POST_CALL_TIME[ms]: 242, TOOLS_POST_RETURN_APPLICATIONS: 156, TOOLS_POST_RETURN_TIME[ms]: 127, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1093, TOOLS_QUANTIFIERELIM_TIME[ms]: 394, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 25, FLUID_QUERY_TIME[ms]: 21, FLUID_QUERIES: 1116, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 255, DOMAIN_JOIN_TIME[ms]: 6157, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 29, DOMAIN_WIDEN_TIME[ms]: 24, DOMAIN_ISSUBSETEQ_APPLICATIONS: 88, DOMAIN_ISSUBSETEQ_TIME[ms]: 65, DOMAIN_ISBOTTOM_APPLICATIONS: 144, DOMAIN_ISBOTTOM_TIME[ms]: 207, LOOP_SUMMARIZER_APPLICATIONS: 59, LOOP_SUMMARIZER_CACHE_MISSES: 59, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5143, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5142, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 88, CALL_SUMMARIZER_APPLICATIONS: 156, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4748, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4747, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 62, DAG_COMPRESSION_PROCESSED_NODES: 709, DAG_COMPRESSION_RETAINED_NODES: 320 - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1400#(and (<= 1 ~c_dr_i~0) (<= ~c_dr_i~0 1) (<= ~p_dw_i~0 1) (<= 1 ~p_dw_i~0) (<= ~q_free~0 1) (<= 2 ~q_read_ev~0) (<= ~q_read_ev~0 2) (<= 1 ~q_free~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...