java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:31:06,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:31:06,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:31:06,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:31:06,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:31:06,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:31:06,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:31:06,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:31:06,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:31:06,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:31:06,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:31:06,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:31:06,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:31:06,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:31:06,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:31:06,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:31:06,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:31:06,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:31:06,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:31:06,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:31:06,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:31:06,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:31:06,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:31:06,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:31:06,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:31:06,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:31:06,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:31:06,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:31:06,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:31:06,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:31:06,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:31:06,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:31:06,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:31:06,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:31:06,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:31:06,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:31:06,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:31:06,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:31:06,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:31:06,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:31:06,666 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:31:06,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:31:06,667 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:31:06,667 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:31:06,668 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:31:06,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:31:06,668 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:31:06,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:31:06,669 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:31:06,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:31:06,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:31:06,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:31:06,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:31:06,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:31:06,670 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:31:06,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:31:06,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:31:06,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:31:06,674 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:31:06,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:31:06,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:31:06,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:31:06,674 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:31:06,675 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:31:06,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:31:06,675 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:31:06,675 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:31:06,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:31:06,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:31:06,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:31:06,749 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:31:06,749 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:31:06,750 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-16 17:31:06,816 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0a68e6f/18eecca073ba4b719946ab3f780fd1c1/FLAG475771ec4 [2019-09-16 17:31:07,302 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:31:07,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-1.c [2019-09-16 17:31:07,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0a68e6f/18eecca073ba4b719946ab3f780fd1c1/FLAG475771ec4 [2019-09-16 17:31:07,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed0a68e6f/18eecca073ba4b719946ab3f780fd1c1 [2019-09-16 17:31:07,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:31:07,668 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:31:07,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:31:07,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:31:07,673 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:31:07,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:31:07" (1/1) ... [2019-09-16 17:31:07,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76030fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:07, skipping insertion in model container [2019-09-16 17:31:07,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:31:07" (1/1) ... [2019-09-16 17:31:07,686 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:31:07,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:31:07,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:31:07,933 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:31:08,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:31:08,110 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:31:08,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:08 WrapperNode [2019-09-16 17:31:08,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:31:08,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:31:08,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:31:08,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:31:08,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:08" (1/1) ... [2019-09-16 17:31:08,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:08" (1/1) ... [2019-09-16 17:31:08,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:08" (1/1) ... [2019-09-16 17:31:08,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:08" (1/1) ... [2019-09-16 17:31:08,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:08" (1/1) ... [2019-09-16 17:31:08,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:08" (1/1) ... [2019-09-16 17:31:08,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:08" (1/1) ... [2019-09-16 17:31:08,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:31:08,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:31:08,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:31:08,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:31:08,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:31:08" (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 [2019-09-16 17:31:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:31:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:31:08,227 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-16 17:31:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-16 17:31:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-16 17:31:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-16 17:31:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-16 17:31:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-16 17:31:08,228 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-16 17:31:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-16 17:31:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-16 17:31:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-16 17:31:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-16 17:31:08,229 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-16 17:31:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-16 17:31:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-16 17:31:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-16 17:31:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-16 17:31:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-16 17:31:08,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:31:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:31:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:31:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-16 17:31:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-16 17:31:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-16 17:31:08,231 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-16 17:31:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-16 17:31:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-16 17:31:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-16 17:31:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-16 17:31:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-16 17:31:08,232 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-16 17:31:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-16 17:31:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-16 17:31:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-16 17:31:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-16 17:31:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-16 17:31:08,233 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-16 17:31:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-16 17:31:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:31:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:31:08,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:31:08,758 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:31:08,759 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-16 17:31:08,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:31:08 BoogieIcfgContainer [2019-09-16 17:31:08,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:31:08,761 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:31:08,761 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:31:08,762 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:31:08,763 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:31:08" (1/1) ... [2019-09-16 17:31:08,796 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:31:19,848 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:31:19,905 INFO L272 AbstractInterpreter]: Visited 172 different actions 37972 times. Merged at 94 different actions 14521 times. Widened at 11 different actions 270 times. Performed 209605 root evaluator evaluations with a maximum evaluation depth of 4. Performed 209605 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 4872 fixpoints after 43 different actions. Largest state had 40 variables. [2019-09-16 17:31:19,905 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:31:19,915 INFO L168 Benchmark]: Toolchain (without parser) took 12244.57 ms. Allocated memory was 131.6 MB in the beginning and 855.6 MB in the end (delta: 724.0 MB). Free memory was 85.9 MB in the beginning and 444.8 MB in the end (delta: -358.9 MB). Peak memory consumption was 365.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:19,917 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:31:19,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.34 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 85.7 MB in the beginning and 174.4 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:19,919 INFO L168 Benchmark]: Boogie Preprocessor took 51.34 ms. Allocated memory is still 199.8 MB. Free memory was 174.4 MB in the beginning and 172.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:19,920 INFO L168 Benchmark]: RCFGBuilder took 596.63 ms. Allocated memory is still 199.8 MB. Free memory was 171.9 MB in the beginning and 141.7 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:19,922 INFO L168 Benchmark]: Abstract Interpretation took 11144.46 ms. Allocated memory was 199.8 MB in the beginning and 855.6 MB in the end (delta: 655.9 MB). Free memory was 141.7 MB in the beginning and 444.8 MB in the end (delta: -303.1 MB). Peak memory consumption was 352.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:31:19,929 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 131.6 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 442.34 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 85.7 MB in the beginning and 174.4 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.34 ms. Allocated memory is still 199.8 MB. Free memory was 174.4 MB in the beginning and 172.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 596.63 ms. Allocated memory is still 199.8 MB. Free memory was 171.9 MB in the beginning and 141.7 MB in the end (delta: 30.2 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 11144.46 ms. Allocated memory was 199.8 MB in the beginning and 855.6 MB in the end (delta: 655.9 MB). Free memory was 141.7 MB in the beginning and 444.8 MB in the end (delta: -303.1 MB). Peak memory consumption was 352.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L15] int q_buf_0 ; [L16] int q_free ; [L17] int q_read_ev ; [L18] int q_write_ev ; [L19] int q_req_up ; [L20] int q_ev ; [L41] int p_num_write ; [L42] int p_last_write ; [L43] int p_dw_st ; [L44] int p_dw_pc ; [L45] int p_dw_i ; [L46] int c_num_read ; [L47] int c_last_read ; [L48] int c_dr_st ; [L49] int c_dr_pc ; [L50] int c_dr_i ; [L154] static int a_t ; [L456] int __retres1 ; [L460] CALL init_model() [L442] q_free = 1 [L443] q_write_ev = 2 [L444] q_read_ev = q_write_ev [L445] p_num_write = 0 [L446] p_dw_pc = 0 [L447] p_dw_i = 1 [L448] c_num_read = 0 [L449] c_dr_pc = 0 [L450] c_dr_i = 1 [L460] RET init_model() [L461] CALL start_simulation() [L396] int kernel_st ; [L397] int tmp ; [L401] kernel_st = 0 [L402] CALL update_channels() [L212] COND FALSE !((int )q_req_up == 1) [L402] RET update_channels() [L403] CALL init_threads() [L227] COND TRUE (int )p_dw_i == 1 [L228] p_dw_st = 0 [L232] COND TRUE (int )c_dr_i == 1 [L233] c_dr_st = 0 [L403] RET init_threads() [L404] CALL fire_delta_events() [L265] COND FALSE !((int )q_read_ev == 0) [L270] COND FALSE !((int )q_write_ev == 0) [L404] RET fire_delta_events() [L405] CALL activate_threads() [L298] int tmp ; [L299] int tmp___0 ; [L303] CALL, EXPR is_do_write_p_triggered() [L52] int __retres1 ; [L55] COND FALSE !((int )p_dw_pc == 1) [L65] __retres1 = 0 [L67] return (__retres1); [L303] RET, EXPR is_do_write_p_triggered() [L303] tmp = is_do_write_p_triggered() [L305] COND FALSE !(\read(tmp)) [L311] CALL, EXPR is_do_read_c_triggered() [L71] int __retres1 ; [L74] COND FALSE !((int )c_dr_pc == 1) [L84] __retres1 = 0 [L86] return (__retres1); [L311] RET, EXPR is_do_read_c_triggered() [L311] tmp___0 = is_do_read_c_triggered() [L313] COND FALSE !(\read(tmp___0)) [L405] RET activate_threads() [L406] CALL reset_delta_events() [L283] COND FALSE !((int )q_read_ev == 1) [L288] COND FALSE !((int )q_write_ev == 1) [L406] RET reset_delta_events() [L409] COND TRUE 1 [L412] kernel_st = 1 [L413] CALL eval() [L323] int tmp ; [L324] int tmp___0 ; [L325] int tmp___1 ; [L329] COND TRUE 1 [L332] CALL, EXPR exists_runnable_thread() [L242] int __retres1 ; [L245] COND TRUE (int )p_dw_st == 0 [L246] __retres1 = 1 [L258] return (__retres1); [L332] RET, EXPR exists_runnable_thread() [L332] tmp___1 = exists_runnable_thread() [L334] COND TRUE \read(tmp___1) [L339] COND TRUE (int )p_dw_st == 0 [L341] tmp = __VERIFIER_nondet_int() [L343] COND TRUE \read(tmp) [L345] p_dw_st = 1 [L346] CALL do_write_p() [L118] COND TRUE (int )p_dw_pc == 0 [L129] COND TRUE 1 [L131] COND FALSE !((int )q_free == 0) [L141] q_buf_0 = __VERIFIER_nondet_int() [L142] p_last_write = q_buf_0 [L143] p_num_write += 1 [L144] q_free = 0 [L145] q_req_up = 1 [L129] COND TRUE 1 [L131] COND TRUE (int )q_free == 0 [L132] p_dw_st = 2 [L133] p_dw_pc = 1 [L346] RET do_write_p() [L354] COND TRUE (int )c_dr_st == 0 [L356] tmp___0 = __VERIFIER_nondet_int() [L358] COND TRUE \read(tmp___0) [L360] c_dr_st = 1 [L361] CALL do_read_c() [L156] int a ; [L159] COND TRUE (int )c_dr_pc == 0 [L170] COND TRUE 1 [L172] COND FALSE !((int )q_free == 1) [L183] a = q_buf_0 [L184] c_last_read = a [L185] c_num_read += 1 [L186] q_free = 1 [L187] q_req_up = 1 [L188] COND FALSE !(p_last_write == c_last_read) [L198] CALL error() [L10] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...