./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:48:38,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:48:38,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:48:38,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:48:38,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:48:38,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:48:38,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:48:38,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:48:38,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:48:38,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:48:38,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:48:38,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:48:38,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:48:38,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:48:38,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:48:38,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:48:38,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:48:38,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:48:38,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:48:38,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:48:38,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:48:38,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:48:38,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:48:38,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:48:38,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:48:38,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:48:38,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:48:38,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:48:38,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:48:38,154 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:48:38,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:48:38,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:48:38,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:48:38,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:48:38,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:48:38,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:48:38,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:48:38,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:48:38,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:48:38,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:48:38,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:48:38,161 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 13:48:38,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:48:38,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:48:38,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:48:38,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:48:38,191 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:48:38,191 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:48:38,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:48:38,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:48:38,192 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:48:38,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:48:38,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 13:48:38,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:48:38,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:48:38,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:48:38,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:48:38,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:48:38,194 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:48:38,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:48:38,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:48:38,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:48:38,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:48:38,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:48:38,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:48:38,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:48:38,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:48:38,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 13:48:38,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 13:48:38,195 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:48:38,196 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:48:38,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:48:38,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:48:38,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2021-12-15 13:48:38,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:48:38,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:48:38,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:48:38,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:48:38,442 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:48:38,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-15 13:48:38,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58e72c54/a1f3782253b2473a85ec42df6e7061d8/FLAGda0969c71 [2021-12-15 13:48:41,286 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:48:41,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-15 13:48:41,567 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58e72c54/a1f3782253b2473a85ec42df6e7061d8/FLAGda0969c71 [2021-12-15 13:48:41,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a58e72c54/a1f3782253b2473a85ec42df6e7061d8 [2021-12-15 13:48:41,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:48:41,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:48:41,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:48:41,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:48:41,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:48:41,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:48:41" (1/1) ... [2021-12-15 13:48:41,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f925a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:48:41, skipping insertion in model container [2021-12-15 13:48:41,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:48:41" (1/1) ... [2021-12-15 13:48:41,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:48:42,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 13:49:42,388 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2021-12-15 13:49:42,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6fd4b95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:49:42, skipping insertion in model container [2021-12-15 13:49:42,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 13:49:42,390 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-15 13:49:42,392 INFO L158 Benchmark]: Toolchain (without parser) took 60587.19ms. Allocated memory was 633.3MB in the beginning and 1.3GB in the end (delta: 633.3MB). Free memory was 454.9MB in the beginning and 1.0GB in the end (delta: -558.1MB). Peak memory consumption was 797.6MB. Max. memory is 16.1GB. [2021-12-15 13:49:42,402 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 13:49:42,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 60579.62ms. Allocated memory was 633.3MB in the beginning and 1.3GB in the end (delta: 633.3MB). Free memory was 454.9MB in the beginning and 1.0GB in the end (delta: -558.1MB). Peak memory consumption was 797.6MB. Max. memory is 16.1GB. [2021-12-15 13:49:42,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 86.0MB. Free memory was 56.1MB in the beginning and 56.1MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 60579.62ms. Allocated memory was 633.3MB in the beginning and 1.3GB in the end (delta: 633.3MB). Free memory was 454.9MB in the beginning and 1.0GB in the end (delta: -558.1MB). Peak memory consumption was 797.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 26370]: Unsupported Syntax we need to generalize this to nested and/or variable length arrays RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 13:49:44,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 13:49:44,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 13:49:44,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 13:49:44,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 13:49:44,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 13:49:44,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 13:49:44,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 13:49:44,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 13:49:44,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 13:49:44,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 13:49:44,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 13:49:44,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 13:49:44,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 13:49:44,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 13:49:44,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 13:49:44,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 13:49:44,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 13:49:44,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 13:49:44,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 13:49:44,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 13:49:44,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 13:49:44,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 13:49:44,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 13:49:44,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 13:49:44,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 13:49:44,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 13:49:44,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 13:49:44,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 13:49:44,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 13:49:44,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 13:49:44,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 13:49:44,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 13:49:44,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 13:49:44,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 13:49:44,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 13:49:44,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 13:49:44,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 13:49:44,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 13:49:44,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 13:49:44,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 13:49:44,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 13:49:44,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 13:49:44,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 13:49:44,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 13:49:44,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 13:49:44,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 13:49:44,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 13:49:44,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 13:49:44,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 13:49:44,803 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 13:49:44,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 13:49:44,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 13:49:44,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 13:49:44,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 13:49:44,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 13:49:44,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 13:49:44,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 13:49:44,806 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 13:49:44,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 13:49:44,806 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 13:49:44,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 13:49:44,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 13:49:44,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 13:49:44,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 13:49:44,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 13:49:44,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 13:49:44,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 13:49:44,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 13:49:44,808 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 13:49:44,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 13:49:44,808 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 13:49:44,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 13:49:44,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 13:49:44,809 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 13:49:44,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 13:49:44,809 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2021-12-15 13:49:45,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 13:49:45,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 13:49:45,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 13:49:45,337 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 13:49:45,337 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 13:49:45,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-15 13:49:45,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2418f71e6/44b0b40a26444affabaf187b4094a3d1/FLAGbfb102c9e [2021-12-15 13:49:49,247 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 13:49:49,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--gpu--drm--i915--i915.ko-entry_point.cil.out.i [2021-12-15 13:49:49,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2418f71e6/44b0b40a26444affabaf187b4094a3d1/FLAGbfb102c9e [2021-12-15 13:49:49,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2418f71e6/44b0b40a26444affabaf187b4094a3d1 [2021-12-15 13:49:49,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 13:49:49,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 13:49:49,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 13:49:49,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 13:49:49,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 13:49:49,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:49:49" (1/1) ... [2021-12-15 13:49:49,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59e2dc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:49:49, skipping insertion in model container [2021-12-15 13:49:49,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:49:49" (1/1) ... [2021-12-15 13:49:49,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 13:49:50,553 INFO L178 MainTranslator]: Built tables and reachable declarations