./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 19:57:55,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 19:57:55,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 19:57:55,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 19:57:55,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 19:57:55,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 19:57:55,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 19:57:55,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 19:57:55,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 19:57:55,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 19:57:55,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 19:57:55,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 19:57:55,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 19:57:55,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 19:57:55,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 19:57:55,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 19:57:55,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 19:57:55,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 19:57:55,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 19:57:55,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 19:57:55,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 19:57:55,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 19:57:55,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 19:57:55,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 19:57:55,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 19:57:55,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 19:57:55,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 19:57:55,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 19:57:55,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 19:57:55,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 19:57:55,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 19:57:55,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 19:57:55,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 19:57:55,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 19:57:55,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 19:57:55,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 19:57:55,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 19:57:55,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 19:57:55,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 19:57:55,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 19:57:55,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 19:57:55,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 19:57:55,256 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 19:57:55,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 19:57:55,257 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 19:57:55,257 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 19:57:55,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 19:57:55,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 19:57:55,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 19:57:55,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 19:57:55,260 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 19:57:55,261 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 19:57:55,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 19:57:55,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 19:57:55,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 19:57:55,263 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 19:57:55,263 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 19:57:55,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 19:57:55,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 19:57:55,264 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 19:57:55,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 19:57:55,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 19:57:55,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 19:57:55,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 19:57:55,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 19:57:55,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 19:57:55,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 19:57:55,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 19:57:55,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 19:57:55,269 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 19:57:55,269 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 19:57:55,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 19:57:55,269 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2022-11-02 19:57:55,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 19:57:55,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 19:57:55,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 19:57:55,679 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 19:57:55,680 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 19:57:55,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/../../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 [2022-11-02 19:57:55,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data/548f0b05c/3f304ec448004558b93a6d3bf1748c8f/FLAG6eabda15d [2022-11-02 19:58:00,729 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 19:58:00,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/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 [2022-11-02 19:58:01,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data/548f0b05c/3f304ec448004558b93a6d3bf1748c8f/FLAG6eabda15d [2022-11-02 19:58:01,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data/548f0b05c/3f304ec448004558b93a6d3bf1748c8f [2022-11-02 19:58:01,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 19:58:01,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 19:58:01,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 19:58:01,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 19:58:01,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 19:58:01,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:58:01" (1/1) ... [2022-11-02 19:58:01,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174781b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 07:58:01, skipping insertion in model container [2022-11-02 19:58:01,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 07:58:01" (1/1) ... [2022-11-02 19:58:01,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 19:58:02,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:00:41,977 ERROR L326 MainTranslator]: Unsupported Syntax: we need to generalize this to nested and/or variable length arrays [2022-11-02 20:00:41,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@12c5b0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:41, skipping insertion in model container [2022-11-02 20:00:41,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:00:41,979 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-02 20:00:41,982 INFO L158 Benchmark]: Toolchain (without parser) took 160674.76ms. Allocated memory was 490.7MB in the beginning and 981.5MB in the end (delta: 490.7MB). Free memory was 316.8MB in the beginning and 258.1MB in the end (delta: 58.7MB). Peak memory consumption was 615.7MB. Max. memory is 16.1GB. [2022-11-02 20:00:41,983 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:00:41,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160671.73ms. Allocated memory was 490.7MB in the beginning and 981.5MB in the end (delta: 490.7MB). Free memory was 316.8MB in the beginning and 259.1MB in the end (delta: 57.6MB). Peak memory consumption was 615.7MB. Max. memory is 16.1GB. [2022-11-02 20:00:41,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 45.5MB in the beginning and 45.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 160671.73ms. Allocated memory was 490.7MB in the beginning and 981.5MB in the end (delta: 490.7MB). Free memory was 316.8MB in the beginning and 259.1MB in the end (delta: 57.6MB). Peak memory consumption was 615.7MB. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:00:44,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:00:44,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:00:44,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:00:44,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:00:44,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:00:44,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:00:44,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:00:44,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:00:44,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:00:44,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:00:44,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:00:44,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:00:44,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:00:44,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:00:44,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:00:44,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:00:44,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:00:44,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:00:44,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:00:44,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:00:44,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:00:44,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:00:44,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:00:44,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:00:44,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:00:44,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:00:44,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:00:44,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:00:44,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:00:44,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:00:44,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:00:44,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:00:44,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:00:44,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:00:44,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:00:44,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:00:44,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:00:44,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:00:44,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:00:44,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:00:44,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-02 20:00:44,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:00:44,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:00:44,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:00:44,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:00:44,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:00:44,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:00:44,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:00:44,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:00:44,869 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:00:44,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:00:44,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:00:44,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:00:44,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:00:44,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:00:44,872 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-02 20:00:44,873 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-02 20:00:44,873 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-02 20:00:44,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:00:44,874 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:00:44,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:00:44,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:00:44,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:00:44,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:00:44,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:00:44,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:00:44,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:00:44,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:00:44,878 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-02 20:00:44,878 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-02 20:00:44,878 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:00:44,879 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:00:44,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:00:44,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-02 20:00:44,880 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f500361d18630e49ce09e7eb3e8e0962c16aa0bec9654b63851076cae6b34e [2022-11-02 20:00:45,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:00:45,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:00:45,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:00:45,417 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:00:45,419 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:00:45,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/../../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 [2022-11-02 20:00:45,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data/f59c15034/562c60b12677417b9e2e775756de1e3c/FLAG347092edf [2022-11-02 20:00:51,491 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:00:51,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/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 [2022-11-02 20:00:51,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data/f59c15034/562c60b12677417b9e2e775756de1e3c/FLAG347092edf [2022-11-02 20:00:52,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_334adc4a-c328-4024-8fa5-4501b592910a/bin/uautomizer-Dbtcem3rbc/data/f59c15034/562c60b12677417b9e2e775756de1e3c [2022-11-02 20:00:52,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:00:52,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:00:52,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:00:52,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:00:52,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:00:52,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:00:52" (1/1) ... [2022-11-02 20:00:52,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3e2dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:00:52, skipping insertion in model container [2022-11-02 20:00:52,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:00:52" (1/1) ... [2022-11-02 20:00:52,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:00:53,576 INFO L178 MainTranslator]: Built tables and reachable declarations