/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 10:27:46,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 10:27:46,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 10:27:46,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 10:27:46,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 10:27:46,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 10:27:46,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 10:27:46,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 10:27:46,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 10:27:46,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 10:27:46,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 10:27:46,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 10:27:46,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 10:27:46,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 10:27:46,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 10:27:46,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 10:27:46,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 10:27:46,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 10:27:46,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 10:27:46,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 10:27:46,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 10:27:46,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 10:27:46,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 10:27:46,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 10:27:46,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-21 10:27:46,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 10:27:46,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 10:27:46,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 10:27:46,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 10:27:46,704 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 10:27:46,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 10:27:46,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 10:27:46,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 10:27:46,707 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 10:27:46,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 10:27:46,707 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 10:27:46,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 10:27:46,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 10:27:46,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 10:27:46,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 10:27:46,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 10:27:46,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 10:27:46,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 10:27:46,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 10:27:46,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 10:27:46,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 10:27:46,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 10:27:46,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 10:27:46,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 10:27:46,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 10:27:46,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 10:27:46,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 10:27:46,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 10:27:46,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 10:27:46,712 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 10:27:46,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 10:27:46,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 10:27:46,713 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 10:27:46,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-09-21 10:27:47,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 10:27:47,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 10:27:47,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 10:27:47,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 10:27:47,292 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 10:27:47,293 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2020-09-21 10:27:47,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24850ac36/6b4bddecb0ad4e2a852cd5e7e2277106/FLAGb9fe62829 [2020-09-21 10:27:48,299 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 10:27:48,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2020-09-21 10:27:48,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24850ac36/6b4bddecb0ad4e2a852cd5e7e2277106/FLAGb9fe62829 [2020-09-21 10:27:48,848 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/24850ac36/6b4bddecb0ad4e2a852cd5e7e2277106 [2020-09-21 10:27:48,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 10:27:48,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 10:27:48,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 10:27:48,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 10:27:48,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 10:27:48,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:27:48" (1/1) ... [2020-09-21 10:27:48,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b559e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:27:48, skipping insertion in model container [2020-09-21 10:27:48,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 10:27:48" (1/1) ... [2020-09-21 10:27:48,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 10:27:49,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 10:27:52,740 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2020-09-21 10:27:52,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cb98378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 10:27:52, skipping insertion in model container [2020-09-21 10:27:52,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 10:27:52,742 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-09-21 10:27:52,746 INFO L168 Benchmark]: Toolchain (without parser) took 3880.41 ms. Allocated memory was 140.5 MB in the beginning and 237.0 MB in the end (delta: 96.5 MB). Free memory was 92.1 MB in the beginning and 178.1 MB in the end (delta: -86.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. [2020-09-21 10:27:52,747 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.7 MB in the end (delta: 419.9 kB). Peak memory consumption was 419.9 kB. Max. memory is 7.1 GB. [2020-09-21 10:27:52,749 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3869.73 ms. Allocated memory was 140.5 MB in the beginning and 237.0 MB in the end (delta: 96.5 MB). Free memory was 91.7 MB in the beginning and 178.1 MB in the end (delta: -86.4 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-09-21 10:27:52,751 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.7 MB in the end (delta: 419.9 kB). Peak memory consumption was 419.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3869.73 ms. Allocated memory was 140.5 MB in the beginning and 237.0 MB in the end (delta: 96.5 MB). Free memory was 91.7 MB in the beginning and 178.1 MB in the end (delta: -86.4 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4701]: Unsupported Syntax encountered a call to a var args function and varargs usage is unknown: snprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...