./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:30:59,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:30:59,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:30:59,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:30:59,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:30:59,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:30:59,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:30:59,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:30:59,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:30:59,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:30:59,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:30:59,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:30:59,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:30:59,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:30:59,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:30:59,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:30:59,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:30:59,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:30:59,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:30:59,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:30:59,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:30:59,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:30:59,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:30:59,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:30:59,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:30:59,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:30:59,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:30:59,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:30:59,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:30:59,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:30:59,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:30:59,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:30:59,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:30:59,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:30:59,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:30:59,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:30:59,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:30:59,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:30:59,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:30:59,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:30:59,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:30:59,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Default.epf [2021-11-25 04:30:59,748 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:30:59,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:30:59,749 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:30:59,749 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:30:59,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:30:59,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:30:59,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:30:59,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:30:59,752 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:30:59,752 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:30:59,752 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:30:59,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 04:30:59,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:30:59,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:30:59,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:30:59,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:30:59,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:30:59,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:30:59,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:30:59,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:30:59,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:30:59,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:30:59,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:30:59,763 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-25 04:30:59,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:30:59,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:30:59,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:30:59,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:30:59,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:30:59,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-25 04:30:59,766 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:30:59,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 04:30:59,767 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:30:59,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:30:59,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:30:59,767 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:30:59,769 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:30:59,769 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_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-11-25 04:31:00,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:31:00,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:31:00,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:31:00,151 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:31:00,152 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:31:00,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-25 04:31:00,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data/cdd79b404/ce783ad14e6d463a928f314b4c626377/FLAG11854e042 [2021-11-25 04:31:01,350 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:31:01,352 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-25 04:31:01,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data/cdd79b404/ce783ad14e6d463a928f314b4c626377/FLAG11854e042 [2021-11-25 04:31:01,698 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data/cdd79b404/ce783ad14e6d463a928f314b4c626377 [2021-11-25 04:31:01,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:31:01,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:31:01,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:31:01,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:31:01,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:31:01,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:01" (1/1) ... [2021-11-25 04:31:01,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6a412e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:01, skipping insertion in model container [2021-11-25 04:31:01,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:01" (1/1) ... [2021-11-25 04:31:01,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:31:01,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:31:02,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-11-25 04:31:07,868 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 04:31:07,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d7ed992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:07, skipping insertion in model container [2021-11-25 04:31:07,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:31:07,870 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 04:31:07,872 INFO L158 Benchmark]: Toolchain (without parser) took 6168.76ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 68.8MB in the beginning and 127.7MB in the end (delta: -58.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-11-25 04:31:07,873 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 96.1MB in the beginning and 96.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:31:07,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6165.24ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 68.6MB in the beginning and 127.7MB in the end (delta: -59.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-11-25 04:31:07,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 96.1MB in the beginning and 96.0MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6165.24ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 68.6MB in the beginning and 127.7MB in the end (delta: -59.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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... --- 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 04:31:10,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 04:31:10,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 04:31:10,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 04:31:10,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 04:31:10,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 04:31:10,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 04:31:10,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 04:31:10,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 04:31:10,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 04:31:10,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 04:31:10,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 04:31:10,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 04:31:10,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 04:31:10,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 04:31:10,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 04:31:10,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 04:31:10,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 04:31:10,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 04:31:10,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 04:31:10,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 04:31:10,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 04:31:10,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 04:31:10,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 04:31:10,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 04:31:10,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 04:31:10,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 04:31:10,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 04:31:10,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 04:31:10,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 04:31:10,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 04:31:10,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 04:31:10,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 04:31:10,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 04:31:10,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 04:31:10,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 04:31:10,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 04:31:10,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 04:31:10,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 04:31:10,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 04:31:10,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 04:31:10,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf [2021-11-25 04:31:10,764 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 04:31:10,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 04:31:10,765 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 04:31:10,765 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 04:31:10,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 04:31:10,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 04:31:10,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 04:31:10,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 04:31:10,769 INFO L138 SettingsManager]: * Use SBE=true [2021-11-25 04:31:10,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 04:31:10,771 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 04:31:10,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 04:31:10,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 04:31:10,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 04:31:10,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 04:31:10,772 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 04:31:10,772 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 04:31:10,773 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 04:31:10,773 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 04:31:10,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 04:31:10,773 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 04:31:10,773 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 04:31:10,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 04:31:10,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 04:31:10,774 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 04:31:10,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 04:31:10,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 04:31:10,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 04:31:10,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 04:31:10,776 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-25 04:31:10,776 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-25 04:31:10,776 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 04:31:10,777 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-25 04:31:10,777 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-25 04:31:10,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 04:31:10,778 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-25 04:31:10,778 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-25 04:31:10,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 04:31:10,778 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_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 423d8d6205a6cc6142dcdd2c64b72565885efc66c9127b3f2569a3e2890b0e68 [2021-11-25 04:31:11,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 04:31:11,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 04:31:11,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 04:31:11,297 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 04:31:11,298 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 04:31:11,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/../../sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-25 04:31:11,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data/db293fd07/9fa1997fd9aa45cc9b183de8839f18b6/FLAG8d5eec03f [2021-11-25 04:31:12,471 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 04:31:12,473 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i [2021-11-25 04:31:12,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data/db293fd07/9fa1997fd9aa45cc9b183de8839f18b6/FLAG8d5eec03f [2021-11-25 04:31:12,805 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/bin/ugemcutter-4L4vKOHkXZ/data/db293fd07/9fa1997fd9aa45cc9b183de8839f18b6 [2021-11-25 04:31:12,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 04:31:12,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 04:31:12,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 04:31:12,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 04:31:12,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 04:31:12,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:12" (1/1) ... [2021-11-25 04:31:12,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6129d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:12, skipping insertion in model container [2021-11-25 04:31:12,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:31:12" (1/1) ... [2021-11-25 04:31:12,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 04:31:13,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 04:31:13,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe964c35-1c27-413f-89f0-fb765f4f52e4/sv-benchmarks/c/pthread-driver-races/char_generic_nvram_nvram_llseek_read_nvram.i[5469,5482] [2021-11-25 04:31:17,571 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function and varargs usage is unknown: snprintf [2021-11-25 04:31:17,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4d6ca71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:31:17, skipping insertion in model container [2021-11-25 04:31:17,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 04:31:17,573 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 04:31:17,575 INFO L158 Benchmark]: Toolchain (without parser) took 4761.58ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 38.2MB in the beginning and 40.3MB in the end (delta: -2.1MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-25 04:31:17,576 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 04:31:17,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4755.58ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 38.1MB in the beginning and 40.3MB in the end (delta: -2.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-25 04:31:17,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4755.58ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 38.1MB in the beginning and 40.3MB in the end (delta: -2.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4712]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN