./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df --- 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-6b4ec56 [2022-11-20 10:38:51,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:38:51,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:38:51,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:38:51,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:38:51,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:38:51,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:38:51,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:38:51,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:38:51,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:38:51,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:38:51,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:38:51,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:38:51,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:38:51,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:38:51,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:38:51,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:38:51,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:38:51,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:38:51,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:38:51,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:38:51,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:38:51,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:38:51,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:38:51,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:38:51,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:38:51,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:38:51,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:38:51,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:38:51,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:38:51,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:38:51,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:38:51,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:38:51,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:38:51,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:38:51,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:38:51,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:38:51,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:38:51,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:38:51,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:38:51,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:38:51,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-20 10:38:51,673 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:38:51,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:38:51,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:38:51,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:38:51,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:38:51,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:38:51,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:38:51,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:38:51,676 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:38:51,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:38:51,678 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:38:51,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:38:51,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:38:51,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:38:51,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:38:51,679 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 10:38:51,679 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 10:38:51,679 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 10:38:51,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:38:51,679 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:38:51,680 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:38:51,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:38:51,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:38:51,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:38:51,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:38:51,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:38:51,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:38:51,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:38:51,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:38:51,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:38:51,682 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_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df [2022-11-20 10:38:51,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:38:51,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:38:51,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:38:51,953 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:38:51,954 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:38:51,955 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2022-11-20 10:38:55,086 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:38:55,542 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:38:55,547 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2022-11-20 10:38:55,588 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/data/8b4ad154e/00c3ef5438b34994beff549ecfd519df/FLAG30f62ac7a [2022-11-20 10:38:55,602 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/data/8b4ad154e/00c3ef5438b34994beff549ecfd519df [2022-11-20 10:38:55,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:38:55,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:38:55,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:38:55,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:38:55,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:38:55,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:55" (1/1) ... [2022-11-20 10:38:55,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2318fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:55, skipping insertion in model container [2022-11-20 10:38:55,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:55" (1/1) ... [2022-11-20 10:38:55,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:38:55,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:38:55,891 WARN L237 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_2a1f5433-4e14-4421-8e94-f822a50fe32e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i[458,471] [2022-11-20 10:38:57,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:38:57,435 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-20 10:38:57,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50a2fa51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:57, skipping insertion in model container [2022-11-20 10:38:57,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:38:57,437 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-20 10:38:57,439 INFO L158 Benchmark]: Toolchain (without parser) took 1832.29ms. Allocated memory is still 174.1MB. Free memory was 125.8MB in the beginning and 126.4MB in the end (delta: -636.6kB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-20 10:38:57,440 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:38:57,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1829.74ms. Allocated memory is still 174.1MB. Free memory was 125.8MB in the beginning and 126.4MB in the end (delta: -636.6kB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-20 10:38:57,444 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 134.2MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1829.74ms. Allocated memory is still 174.1MB. Free memory was 125.8MB in the beginning and 126.4MB in the end (delta: -636.6kB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2975]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df --- 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-6b4ec56 [2022-11-20 10:38:59,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:38:59,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:38:59,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:38:59,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:38:59,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:38:59,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:38:59,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:38:59,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:38:59,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:38:59,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:38:59,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:38:59,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:38:59,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:38:59,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:38:59,725 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:38:59,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:38:59,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:38:59,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:38:59,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:38:59,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:38:59,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:38:59,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:38:59,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:38:59,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:38:59,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:38:59,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:38:59,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:38:59,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:38:59,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:38:59,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:38:59,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:38:59,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:38:59,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:38:59,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:38:59,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:38:59,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:38:59,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:38:59,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:38:59,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:38:59,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:38:59,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-20 10:38:59,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:38:59,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:38:59,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:38:59,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:38:59,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:38:59,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:38:59,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:38:59,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:38:59,812 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:38:59,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:38:59,814 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:38:59,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:38:59,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:38:59,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:38:59,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:38:59,815 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 10:38:59,815 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 10:38:59,815 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 10:38:59,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:38:59,815 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:38:59,816 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:38:59,816 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:38:59,816 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:38:59,816 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:38:59,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:38:59,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:38:59,817 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:38:59,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:38:59,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:38:59,818 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:38:59,818 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:38:59,818 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:38:59,819 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:38:59,819 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_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df [2022-11-20 10:39:00,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:39:00,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:39:00,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:39:00,227 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:39:00,228 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:39:00,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2022-11-20 10:39:03,255 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:39:03,693 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:39:03,694 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2022-11-20 10:39:03,719 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/data/6bff8814f/7d930c353c134b1bbaf978920bc38fcd/FLAGcd36d59fd [2022-11-20 10:39:03,737 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/data/6bff8814f/7d930c353c134b1bbaf978920bc38fcd [2022-11-20 10:39:03,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:39:03,741 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:39:03,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:03,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:39:03,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:39:03,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:03" (1/1) ... [2022-11-20 10:39:03,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac8259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:03, skipping insertion in model container [2022-11-20 10:39:03,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:39:03" (1/1) ... [2022-11-20 10:39:03,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:39:03,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:39:04,019 WARN L237 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_2a1f5433-4e14-4421-8e94-f822a50fe32e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i[458,471] [2022-11-20 10:39:05,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:05,522 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:39:05,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:39:05,557 WARN L237 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_2a1f5433-4e14-4421-8e94-f822a50fe32e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i[458,471] [2022-11-20 10:39:05,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:05,781 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:39:05,794 WARN L237 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_2a1f5433-4e14-4421-8e94-f822a50fe32e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i[458,471] [2022-11-20 10:39:06,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:06,183 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:39:06,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06 WrapperNode [2022-11-20 10:39:06,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:06,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:06,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:39:06,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:39:06,193 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,321 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 966 [2022-11-20 10:39:06,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:06,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:39:06,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:39:06,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:39:06,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,472 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:39:06,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:39:06,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:39:06,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:39:06,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (1/1) ... [2022-11-20 10:39:06,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:39:06,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:06,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:06,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:39:06,600 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-20 10:39:06,601 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-20 10:39:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-20 10:39:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-20 10:39:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 10:39:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-20 10:39:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:39:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:39:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:39:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:39:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:39:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:39:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 10:39:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 10:39:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 10:39:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-20 10:39:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-20 10:39:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-20 10:39:06,605 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 10:39:06,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 10:39:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:39:06,606 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-20 10:39:06,606 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-20 10:39:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:39:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:39:06,607 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:39:06,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:39:06,608 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-20 10:39:06,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-20 10:39:06,609 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-20 10:39:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-20 10:39:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:39:06,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:39:06,610 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-20 10:39:06,611 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-20 10:39:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:39:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:39:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:39:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:39:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 10:39:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 10:39:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-20 10:39:06,612 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-20 10:39:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:39:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:39:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-20 10:39:06,613 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-20 10:39:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:39:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-20 10:39:06,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-20 10:39:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:39:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:39:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:39:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:39:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-20 10:39:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-20 10:39:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-20 10:39:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-20 10:39:06,616 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 10:39:06,616 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 10:39:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-20 10:39:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-20 10:39:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-20 10:39:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-20 10:39:06,617 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-20 10:39:06,617 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-20 10:39:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 10:39:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-20 10:39:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-20 10:39:06,618 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-20 10:39:06,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:39:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-20 10:39:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-20 10:39:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 10:39:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 10:39:06,619 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-20 10:39:06,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-20 10:39:07,034 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:39:07,036 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:39:12,705 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:39:12,725 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:39:12,725 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 10:39:12,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:12 BoogieIcfgContainer [2022-11-20 10:39:12,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:39:12,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:39:12,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:39:12,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:39:12,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:39:03" (1/3) ... [2022-11-20 10:39:12,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665775a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:39:12, skipping insertion in model container [2022-11-20 10:39:12,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:06" (2/3) ... [2022-11-20 10:39:12,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665775a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:39:12, skipping insertion in model container [2022-11-20 10:39:12,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:12" (3/3) ... [2022-11-20 10:39:12,741 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outw_p.i [2022-11-20 10:39:12,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:39:12,761 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2022-11-20 10:39:12,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:39:12,856 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4db26251, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:39:12,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2022-11-20 10:39:12,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 664 states, 354 states have (on average 1.8220338983050848) internal successors, (645), 565 states have internal predecessors, (645), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-20 10:39:12,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 10:39:12,875 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:12,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 10:39:12,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:39:12,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:12,889 INFO L85 PathProgramCache]: Analyzing trace with hash 327228190, now seen corresponding path program 1 times [2022-11-20 10:39:12,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:12,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689315529] [2022-11-20 10:39:12,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:12,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:12,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:12,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:12,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:39:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:13,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:39:13,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:13,626 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:13,627 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:13,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1689315529] [2022-11-20 10:39:13,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1689315529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:13,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:13,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:39:13,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240762783] [2022-11-20 10:39:13,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:13,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:39:13,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:13,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:39:13,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:39:13,701 INFO L87 Difference]: Start difference. First operand has 664 states, 354 states have (on average 1.8220338983050848) internal successors, (645), 565 states have internal predecessors, (645), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:15,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:17,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:21,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:21,177 INFO L93 Difference]: Finished difference Result 1200 states and 1437 transitions. [2022-11-20 10:39:21,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:39:21,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 10:39:21,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:21,197 INFO L225 Difference]: With dead ends: 1200 [2022-11-20 10:39:21,197 INFO L226 Difference]: Without dead ends: 1196 [2022-11-20 10:39:21,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:39:21,202 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 684 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:21,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 2463 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1106 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2022-11-20 10:39:21,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2022-11-20 10:39:21,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 983. [2022-11-20 10:39:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 590 states have (on average 1.805084745762712) internal successors, (1065), 812 states have internal predecessors, (1065), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2022-11-20 10:39:21,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1341 transitions. [2022-11-20 10:39:21,346 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1341 transitions. Word has length 5 [2022-11-20 10:39:21,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:21,350 INFO L495 AbstractCegarLoop]: Abstraction has 983 states and 1341 transitions. [2022-11-20 10:39:21,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:21,351 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1341 transitions. [2022-11-20 10:39:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 10:39:21,351 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:21,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 10:39:21,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:21,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:21,571 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:39:21,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:21,572 INFO L85 PathProgramCache]: Analyzing trace with hash 327228191, now seen corresponding path program 1 times [2022-11-20 10:39:21,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:21,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291579692] [2022-11-20 10:39:21,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:21,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:21,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:21,575 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:21,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:39:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:22,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:39:22,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:22,213 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:22,213 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:22,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291579692] [2022-11-20 10:39:22,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291579692] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:22,214 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:22,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:39:22,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26482927] [2022-11-20 10:39:22,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:22,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:39:22,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:22,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:39:22,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:39:22,216 INFO L87 Difference]: Start difference. First operand 983 states and 1341 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:24,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:26,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:29,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:29,456 INFO L93 Difference]: Finished difference Result 1115 states and 1433 transitions. [2022-11-20 10:39:29,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:39:29,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 10:39:29,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:29,464 INFO L225 Difference]: With dead ends: 1115 [2022-11-20 10:39:29,464 INFO L226 Difference]: Without dead ends: 1115 [2022-11-20 10:39:29,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:39:29,466 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 268 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:29,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 2618 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-20 10:39:29,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2022-11-20 10:39:29,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1056. [2022-11-20 10:39:29,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 631 states have (on average 1.7670364500792393) internal successors, (1115), 854 states have internal predecessors, (1115), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-11-20 10:39:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1429 transitions. [2022-11-20 10:39:29,507 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1429 transitions. Word has length 5 [2022-11-20 10:39:29,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:29,507 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1429 transitions. [2022-11-20 10:39:29,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:39:29,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1429 transitions. [2022-11-20 10:39:29,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 10:39:29,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:29,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:29,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:29,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:29,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:39:29,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:29,724 INFO L85 PathProgramCache]: Analyzing trace with hash -27521378, now seen corresponding path program 1 times [2022-11-20 10:39:29,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:29,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [146816126] [2022-11-20 10:39:29,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:29,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:29,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:29,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:29,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:39:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:30,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:39:30,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:30,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:30,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:30,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [146816126] [2022-11-20 10:39:30,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [146816126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:30,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:30,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 10:39:30,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495136231] [2022-11-20 10:39:30,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:30,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:39:30,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:30,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:39:30,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:39:30,309 INFO L87 Difference]: Start difference. First operand 1056 states and 1429 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:31,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:31,917 INFO L93 Difference]: Finished difference Result 1262 states and 1516 transitions. [2022-11-20 10:39:31,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:39:31,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-20 10:39:31,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:31,923 INFO L225 Difference]: With dead ends: 1262 [2022-11-20 10:39:31,923 INFO L226 Difference]: Without dead ends: 1262 [2022-11-20 10:39:31,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:39:31,925 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 657 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:31,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1284 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 10:39:31,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-11-20 10:39:31,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1055. [2022-11-20 10:39:32,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 631 states have (on average 1.7591125198098256) internal successors, (1110), 853 states have internal predecessors, (1110), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-11-20 10:39:32,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1424 transitions. [2022-11-20 10:39:32,014 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1424 transitions. Word has length 11 [2022-11-20 10:39:32,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:32,015 INFO L495 AbstractCegarLoop]: Abstraction has 1055 states and 1424 transitions. [2022-11-20 10:39:32,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1424 transitions. [2022-11-20 10:39:32,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 10:39:32,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:32,016 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:32,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:32,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:32,231 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:39:32,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:32,232 INFO L85 PathProgramCache]: Analyzing trace with hash -27521377, now seen corresponding path program 1 times [2022-11-20 10:39:32,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:32,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202004816] [2022-11-20 10:39:32,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:32,234 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:32,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:32,235 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:32,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:39:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:32,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:39:32,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:32,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:39:32,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:32,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202004816] [2022-11-20 10:39:32,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202004816] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:39:32,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:39:32,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:39:32,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606041563] [2022-11-20 10:39:32,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:39:32,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:39:32,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:32,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:39:32,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:39:32,931 INFO L87 Difference]: Start difference. First operand 1055 states and 1424 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:34,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:37,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:37,387 INFO L93 Difference]: Finished difference Result 1121 states and 1439 transitions. [2022-11-20 10:39:37,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:39:37,388 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-20 10:39:37,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:37,393 INFO L225 Difference]: With dead ends: 1121 [2022-11-20 10:39:37,393 INFO L226 Difference]: Without dead ends: 1121 [2022-11-20 10:39:37,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:39:37,397 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 261 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 1988 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:37,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1988 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 574 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-20 10:39:37,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-11-20 10:39:37,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1058. [2022-11-20 10:39:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 634 states have (on average 1.7555205047318612) internal successors, (1113), 856 states have internal predecessors, (1113), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-11-20 10:39:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1427 transitions. [2022-11-20 10:39:37,443 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1427 transitions. Word has length 11 [2022-11-20 10:39:37,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:37,443 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1427 transitions. [2022-11-20 10:39:37,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1427 transitions. [2022-11-20 10:39:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 10:39:37,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:37,445 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:37,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:37,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:37,668 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:39:37,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:37,669 INFO L85 PathProgramCache]: Analyzing trace with hash 449678287, now seen corresponding path program 1 times [2022-11-20 10:39:37,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:37,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844269400] [2022-11-20 10:39:37,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:37,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:37,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:37,671 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:37,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 10:39:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:38,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:39:38,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:38,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:39:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:38,784 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:38,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844269400] [2022-11-20 10:39:38,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844269400] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:39:38,784 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:39:38,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2022-11-20 10:39:38,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434647584] [2022-11-20 10:39:38,785 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:39:38,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:39:38,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:38,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:39:38,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:39:38,786 INFO L87 Difference]: Start difference. First operand 1058 states and 1427 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:39:40,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:42,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:50,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:50,952 INFO L93 Difference]: Finished difference Result 1331 states and 1673 transitions. [2022-11-20 10:39:50,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:39:50,953 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2022-11-20 10:39:50,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:50,958 INFO L225 Difference]: With dead ends: 1331 [2022-11-20 10:39:50,958 INFO L226 Difference]: Without dead ends: 1331 [2022-11-20 10:39:50,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:39:50,960 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 1046 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 85 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 3195 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:50,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 3195 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1355 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2022-11-20 10:39:50,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-11-20 10:39:50,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1205. [2022-11-20 10:39:50,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 738 states have (on average 1.7411924119241193) internal successors, (1285), 962 states have internal predecessors, (1285), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:39:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1653 transitions. [2022-11-20 10:39:50,993 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1653 transitions. Word has length 14 [2022-11-20 10:39:50,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:50,993 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1653 transitions. [2022-11-20 10:39:50,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:39:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1653 transitions. [2022-11-20 10:39:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 10:39:50,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:50,994 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:51,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:51,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:51,210 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:39:51,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:51,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1064725833, now seen corresponding path program 1 times [2022-11-20 10:39:51,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:51,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69162654] [2022-11-20 10:39:51,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:39:51,212 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:51,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:51,213 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:51,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 10:39:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:39:51,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:39:51,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:51,758 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:51,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:39:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:51,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:51,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69162654] [2022-11-20 10:39:51,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69162654] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:39:51,829 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:39:51,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 10:39:51,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970442134] [2022-11-20 10:39:51,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:39:51,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:39:51,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:51,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:39:51,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:39:51,831 INFO L87 Difference]: Start difference. First operand 1205 states and 1653 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:52,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:39:52,289 INFO L93 Difference]: Finished difference Result 1211 states and 1657 transitions. [2022-11-20 10:39:52,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:39:52,290 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-20 10:39:52,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:39:52,294 INFO L225 Difference]: With dead ends: 1211 [2022-11-20 10:39:52,295 INFO L226 Difference]: Without dead ends: 1211 [2022-11-20 10:39:52,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:39:52,296 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 883 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 2924 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:39:52,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 2924 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:39:52,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2022-11-20 10:39:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2022-11-20 10:39:52,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 743 states have (on average 1.7348586810228803) internal successors, (1289), 967 states have internal predecessors, (1289), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:39:52,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1657 transitions. [2022-11-20 10:39:52,328 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1657 transitions. Word has length 19 [2022-11-20 10:39:52,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:39:52,329 INFO L495 AbstractCegarLoop]: Abstraction has 1210 states and 1657 transitions. [2022-11-20 10:39:52,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:39:52,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1657 transitions. [2022-11-20 10:39:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 10:39:52,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:39:52,330 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:39:52,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:39:52,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:52,551 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:39:52,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:39:52,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1407192417, now seen corresponding path program 2 times [2022-11-20 10:39:52,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:39:52,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [251119073] [2022-11-20 10:39:52,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:39:52,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:39:52,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:39:52,556 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:39:52,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 10:39:53,181 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 10:39:53,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:39:53,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 10:39:53,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:39:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:53,662 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:39:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:39:54,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:39:54,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [251119073] [2022-11-20 10:39:54,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [251119073] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:39:54,764 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:39:54,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2022-11-20 10:39:54,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527930066] [2022-11-20 10:39:54,764 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:39:54,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-20 10:39:54,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:39:54,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-20 10:39:54,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:39:54,765 INFO L87 Difference]: Start difference. First operand 1210 states and 1657 transitions. Second operand has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:39:56,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:39:58,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:00,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:02,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:04,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:06,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:27,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:27,544 INFO L93 Difference]: Finished difference Result 1337 states and 1691 transitions. [2022-11-20 10:40:27,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 10:40:27,545 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-20 10:40:27,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:27,550 INFO L225 Difference]: With dead ends: 1337 [2022-11-20 10:40:27,551 INFO L226 Difference]: Without dead ends: 1337 [2022-11-20 10:40:27,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=243, Invalid=407, Unknown=0, NotChecked=0, Total=650 [2022-11-20 10:40:27,552 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 733 mSDsluCounter, 5514 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 94 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 6337 SdHoareTripleChecker+Invalid, 3227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3127 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:27,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 6337 Invalid, 3227 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [94 Valid, 3127 Invalid, 6 Unknown, 0 Unchecked, 29.9s Time] [2022-11-20 10:40:27,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2022-11-20 10:40:27,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1223. [2022-11-20 10:40:27,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 756 states have (on average 1.7261904761904763) internal successors, (1305), 980 states have internal predecessors, (1305), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:40:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1673 transitions. [2022-11-20 10:40:27,590 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1673 transitions. Word has length 23 [2022-11-20 10:40:27,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:27,591 INFO L495 AbstractCegarLoop]: Abstraction has 1223 states and 1673 transitions. [2022-11-20 10:40:27,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:40:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1673 transitions. [2022-11-20 10:40:27,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 10:40:27,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:27,593 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:27,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:27,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:27,814 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:40:27,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:27,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1830179145, now seen corresponding path program 2 times [2022-11-20 10:40:27,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:27,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156851287] [2022-11-20 10:40:27,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:40:27,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:27,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:27,816 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:27,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 10:40:28,305 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 10:40:28,305 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:40:28,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:40:28,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-20 10:40:28,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:40:28,606 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:28,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156851287] [2022-11-20 10:40:28,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156851287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:40:28,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:40:28,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-20 10:40:28,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932175544] [2022-11-20 10:40:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:40:28,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:40:28,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:28,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:40:28,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:40:28,608 INFO L87 Difference]: Start difference. First operand 1223 states and 1673 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:40:30,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:30,509 INFO L93 Difference]: Finished difference Result 1431 states and 1766 transitions. [2022-11-20 10:40:30,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:40:30,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-20 10:40:30,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:30,516 INFO L225 Difference]: With dead ends: 1431 [2022-11-20 10:40:30,516 INFO L226 Difference]: Without dead ends: 1431 [2022-11-20 10:40:30,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:40:30,518 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 643 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:30,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 1282 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-20 10:40:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2022-11-20 10:40:30,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1221. [2022-11-20 10:40:30,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 756 states have (on average 1.7142857142857142) internal successors, (1296), 978 states have internal predecessors, (1296), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:40:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1664 transitions. [2022-11-20 10:40:30,556 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1664 transitions. Word has length 31 [2022-11-20 10:40:30,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:30,556 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 1664 transitions. [2022-11-20 10:40:30,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:40:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1664 transitions. [2022-11-20 10:40:30,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 10:40:30,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:30,558 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:30,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:30,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:30,775 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:40:30,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:30,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1830179146, now seen corresponding path program 1 times [2022-11-20 10:40:30,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:30,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [968506994] [2022-11-20 10:40:30,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:40:30,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:30,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:30,778 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:30,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 10:40:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:40:31,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:40:31,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:31,543 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:40:31,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:40:31,872 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:40:31,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:31,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [968506994] [2022-11-20 10:40:31,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [968506994] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:40:31,874 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:40:31,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-20 10:40:31,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504297801] [2022-11-20 10:40:31,874 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:40:31,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 10:40:31,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:31,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 10:40:31,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:40:31,876 INFO L87 Difference]: Start difference. First operand 1221 states and 1664 transitions. Second operand has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:40:33,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:40:33,076 INFO L93 Difference]: Finished difference Result 1221 states and 1660 transitions. [2022-11-20 10:40:33,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 10:40:33,077 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-20 10:40:33,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:40:33,083 INFO L225 Difference]: With dead ends: 1221 [2022-11-20 10:40:33,083 INFO L226 Difference]: Without dead ends: 1221 [2022-11-20 10:40:33,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-11-20 10:40:33,085 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 3391 mSDsluCounter, 4789 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 5569 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:40:33,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 5569 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:40:33,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2022-11-20 10:40:33,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1221. [2022-11-20 10:40:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 756 states have (on average 1.708994708994709) internal successors, (1292), 978 states have internal predecessors, (1292), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:40:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1660 transitions. [2022-11-20 10:40:33,123 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1660 transitions. Word has length 31 [2022-11-20 10:40:33,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:40:33,124 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 1660 transitions. [2022-11-20 10:40:33,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:40:33,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1660 transitions. [2022-11-20 10:40:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 10:40:33,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:40:33,126 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:40:33,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:40:33,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:33,346 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:40:33,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:40:33,347 INFO L85 PathProgramCache]: Analyzing trace with hash -738162529, now seen corresponding path program 3 times [2022-11-20 10:40:33,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:40:33,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439766077] [2022-11-20 10:40:33,348 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 10:40:33,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:40:33,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:40:33,350 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:40:33,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 10:40:34,682 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-20 10:40:34,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:40:34,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 10:40:34,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:40:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:40:35,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:40:38,316 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:40:38,317 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:40:38,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439766077] [2022-11-20 10:40:38,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439766077] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:40:38,317 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:40:38,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2022-11-20 10:40:38,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147008736] [2022-11-20 10:40:38,318 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:40:38,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-20 10:40:38,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:40:38,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-20 10:40:38,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2022-11-20 10:40:38,319 INFO L87 Difference]: Start difference. First operand 1221 states and 1660 transitions. Second operand has 26 states, 26 states have (on average 3.0) internal successors, (78), 26 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:40:40,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:42,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:44,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:46,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:48,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:50,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:52,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:54,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:56,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:40:58,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:41:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:26,783 INFO L93 Difference]: Finished difference Result 1570 states and 1888 transitions. [2022-11-20 10:41:26,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 10:41:26,784 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.0) internal successors, (78), 26 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-20 10:41:26,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:26,787 INFO L225 Difference]: With dead ends: 1570 [2022-11-20 10:41:26,787 INFO L226 Difference]: Without dead ends: 1570 [2022-11-20 10:41:26,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2022-11-20 10:41:26,788 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 2460 mSDsluCounter, 8064 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 268 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2472 SdHoareTripleChecker+Valid, 8805 SdHoareTripleChecker+Invalid, 5739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 5461 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:26,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2472 Valid, 8805 Invalid, 5739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [268 Valid, 5461 Invalid, 10 Unknown, 0 Unchecked, 47.6s Time] [2022-11-20 10:41:26,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-11-20 10:41:26,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1219. [2022-11-20 10:41:26,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 755 states have (on average 1.7072847682119205) internal successors, (1289), 976 states have internal predecessors, (1289), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:41:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1657 transitions. [2022-11-20 10:41:26,834 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1657 transitions. Word has length 41 [2022-11-20 10:41:26,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:26,834 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1657 transitions. [2022-11-20 10:41:26,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.0) internal successors, (78), 26 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 10:41:26,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1657 transitions. [2022-11-20 10:41:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-20 10:41:26,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:26,836 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:26,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:27,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:27,054 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:41:27,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:27,054 INFO L85 PathProgramCache]: Analyzing trace with hash -704629430, now seen corresponding path program 2 times [2022-11-20 10:41:27,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:27,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41269955] [2022-11-20 10:41:27,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:41:27,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:27,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:27,056 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:27,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 10:41:27,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 10:41:27,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:41:27,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:41:27,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:28,072 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-20 10:41:28,072 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:28,073 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:28,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41269955] [2022-11-20 10:41:28,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41269955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:28,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:28,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:41:28,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490847785] [2022-11-20 10:41:28,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:28,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:28,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:28,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:28,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:28,075 INFO L87 Difference]: Start difference. First operand 1219 states and 1657 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:41:30,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:41:32,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:32,538 INFO L93 Difference]: Finished difference Result 1275 states and 1669 transitions. [2022-11-20 10:41:32,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:32,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-11-20 10:41:32,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:32,543 INFO L225 Difference]: With dead ends: 1275 [2022-11-20 10:41:32,544 INFO L226 Difference]: Without dead ends: 1275 [2022-11-20 10:41:32,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:32,544 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 236 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:32,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1974 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 571 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-20 10:41:32,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-11-20 10:41:32,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1217. [2022-11-20 10:41:32,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 755 states have (on average 1.7046357615894039) internal successors, (1287), 974 states have internal predecessors, (1287), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:41:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1655 transitions. [2022-11-20 10:41:32,579 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1655 transitions. Word has length 43 [2022-11-20 10:41:32,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:32,579 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1655 transitions. [2022-11-20 10:41:32,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:41:32,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1655 transitions. [2022-11-20 10:41:32,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 10:41:32,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:32,597 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:32,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:32,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:32,813 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:41:32,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:32,814 INFO L85 PathProgramCache]: Analyzing trace with hash 2020825701, now seen corresponding path program 1 times [2022-11-20 10:41:32,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:32,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282343004] [2022-11-20 10:41:32,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:32,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:32,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:32,816 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:32,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 10:41:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:33,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:41:33,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:33,628 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 10:41:33,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:33,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:33,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282343004] [2022-11-20 10:41:33,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282343004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:33,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:33,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:41:33,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736344245] [2022-11-20 10:41:33,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:33,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:41:33,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:33,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:41:33,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:33,630 INFO L87 Difference]: Start difference. First operand 1217 states and 1655 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:41:33,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:33,648 INFO L93 Difference]: Finished difference Result 1217 states and 1654 transitions. [2022-11-20 10:41:33,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:41:33,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2022-11-20 10:41:33,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:33,655 INFO L225 Difference]: With dead ends: 1217 [2022-11-20 10:41:33,655 INFO L226 Difference]: Without dead ends: 1217 [2022-11-20 10:41:33,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:33,657 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 750 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:33,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 785 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:41:33,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-11-20 10:41:33,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1217. [2022-11-20 10:41:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 755 states have (on average 1.7033112582781458) internal successors, (1286), 974 states have internal predecessors, (1286), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:41:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1654 transitions. [2022-11-20 10:41:33,687 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1654 transitions. Word has length 67 [2022-11-20 10:41:33,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:33,688 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1654 transitions. [2022-11-20 10:41:33,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:41:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1654 transitions. [2022-11-20 10:41:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 10:41:33,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:33,690 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:33,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-11-20 10:41:33,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:33,909 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:41:33,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:33,909 INFO L85 PathProgramCache]: Analyzing trace with hash 2020823779, now seen corresponding path program 1 times [2022-11-20 10:41:33,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:33,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1000766824] [2022-11-20 10:41:33,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:33,910 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:33,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:33,912 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:33,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 10:41:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:34,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:41:34,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:34,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-20 10:41:34,752 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 10:41:34,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:34,752 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:34,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1000766824] [2022-11-20 10:41:34,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1000766824] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:34,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:34,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:41:34,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979367512] [2022-11-20 10:41:34,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:34,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:41:34,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:34,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:41:34,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:34,755 INFO L87 Difference]: Start difference. First operand 1217 states and 1654 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:41:36,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:41:37,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:37,690 INFO L93 Difference]: Finished difference Result 1216 states and 1653 transitions. [2022-11-20 10:41:37,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:41:37,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2022-11-20 10:41:37,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:37,700 INFO L225 Difference]: With dead ends: 1216 [2022-11-20 10:41:37,701 INFO L226 Difference]: Without dead ends: 1216 [2022-11-20 10:41:37,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:37,703 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 2 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:37,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1355 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 212 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-20 10:41:37,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2022-11-20 10:41:37,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1216. [2022-11-20 10:41:37,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 755 states have (on average 1.7019867549668874) internal successors, (1285), 973 states have internal predecessors, (1285), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:41:37,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1653 transitions. [2022-11-20 10:41:37,749 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1653 transitions. Word has length 67 [2022-11-20 10:41:37,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:37,749 INFO L495 AbstractCegarLoop]: Abstraction has 1216 states and 1653 transitions. [2022-11-20 10:41:37,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:41:37,749 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1653 transitions. [2022-11-20 10:41:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 10:41:37,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:37,751 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:37,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-11-20 10:41:37,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:37,970 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:41:37,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:37,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2020823780, now seen corresponding path program 1 times [2022-11-20 10:41:37,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:37,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794216975] [2022-11-20 10:41:37,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:37,971 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:37,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:37,972 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:37,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-20 10:41:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:38,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 10:41:38,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:38,899 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 10:41:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 10:41:38,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:38,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:38,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794216975] [2022-11-20 10:41:38,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794216975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:38,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:38,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:41:38,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097272785] [2022-11-20 10:41:38,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:38,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:41:38,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:41:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:41:38,930 INFO L87 Difference]: Start difference. First operand 1216 states and 1653 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:41:40,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:41:42,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:42,270 INFO L93 Difference]: Finished difference Result 1215 states and 1652 transitions. [2022-11-20 10:41:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:41:42,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2022-11-20 10:41:42,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:42,277 INFO L225 Difference]: With dead ends: 1215 [2022-11-20 10:41:42,277 INFO L226 Difference]: Without dead ends: 1215 [2022-11-20 10:41:42,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:41:42,278 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 747 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:42,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1356 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-20 10:41:42,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-11-20 10:41:42,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1215. [2022-11-20 10:41:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 755 states have (on average 1.7006622516556291) internal successors, (1284), 972 states have internal predecessors, (1284), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-20 10:41:42,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1652 transitions. [2022-11-20 10:41:42,348 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1652 transitions. Word has length 67 [2022-11-20 10:41:42,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:42,348 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1652 transitions. [2022-11-20 10:41:42,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 10:41:42,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1652 transitions. [2022-11-20 10:41:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 10:41:42,354 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:42,354 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:42,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:42,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:42,579 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:41:42,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:42,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1355687384, now seen corresponding path program 1 times [2022-11-20 10:41:42,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:42,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646400858] [2022-11-20 10:41:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:42,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:42,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:42,582 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:42,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-20 10:41:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:43,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:41:43,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-20 10:41:43,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:43,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:43,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646400858] [2022-11-20 10:41:43,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646400858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:43,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:43,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:41:43,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140577953] [2022-11-20 10:41:43,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:43,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:41:43,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:43,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:41:43,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:43,380 INFO L87 Difference]: Start difference. First operand 1215 states and 1652 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 10:41:45,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:41:46,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:46,491 INFO L93 Difference]: Finished difference Result 1256 states and 1661 transitions. [2022-11-20 10:41:46,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:41:46,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2022-11-20 10:41:46,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:46,497 INFO L225 Difference]: With dead ends: 1256 [2022-11-20 10:41:46,497 INFO L226 Difference]: Without dead ends: 1244 [2022-11-20 10:41:46,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:46,498 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 93 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:46,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1317 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 10:41:46,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-11-20 10:41:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1211. [2022-11-20 10:41:46,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 753 states have (on average 1.701195219123506) internal successors, (1281), 970 states have internal predecessors, (1281), 183 states have call successors, (183), 79 states have call predecessors, (183), 78 states have return successors, (181), 174 states have call predecessors, (181), 181 states have call successors, (181) [2022-11-20 10:41:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1645 transitions. [2022-11-20 10:41:46,533 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1645 transitions. Word has length 74 [2022-11-20 10:41:46,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:46,534 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1645 transitions. [2022-11-20 10:41:46,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 10:41:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1645 transitions. [2022-11-20 10:41:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 10:41:46,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:46,535 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:41:46,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:41:46,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:46,751 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:41:46,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:46,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1244150361, now seen corresponding path program 1 times [2022-11-20 10:41:46,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:46,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [76695833] [2022-11-20 10:41:46,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:46,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:41:46,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:46,753 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:41:46,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-20 10:41:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:48,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:41:48,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:48,529 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 10:41:48,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-20 10:41:48,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 10:41:48,677 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-20 10:41:48,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:41:48,828 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:48,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [76695833] [2022-11-20 10:41:48,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [76695833] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:41:48,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [919271515] [2022-11-20 10:41:48,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:48,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 10:41:48,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 10:41:48,831 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 10:41:48,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2022-11-20 10:41:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:51,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 10:41:51,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:52,113 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-20 10:41:52,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-20 10:41:52,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 32 [2022-11-20 10:41:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-20 10:41:52,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:41:52,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [919271515] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:41:52,460 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:41:52,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-20 10:41:52,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235820424] [2022-11-20 10:41:52,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:41:52,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 10:41:52,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:52,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 10:41:52,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:41:52,463 INFO L87 Difference]: Start difference. First operand 1211 states and 1645 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-20 10:41:54,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:41:56,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:41:58,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:00,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:06,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:06,449 INFO L93 Difference]: Finished difference Result 1742 states and 2280 transitions. [2022-11-20 10:42:06,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:42:06,450 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 76 [2022-11-20 10:42:06,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:06,454 INFO L225 Difference]: With dead ends: 1742 [2022-11-20 10:42:06,454 INFO L226 Difference]: Without dead ends: 1742 [2022-11-20 10:42:06,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:42:06,455 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 752 mSDsluCounter, 3579 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 4283 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:06,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 4283 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2480 Invalid, 4 Unknown, 0 Unchecked, 13.8s Time] [2022-11-20 10:42:06,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-11-20 10:42:06,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1519. [2022-11-20 10:42:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 981 states have (on average 1.730886850152905) internal successors, (1698), 1210 states have internal predecessors, (1698), 241 states have call successors, (241), 101 states have call predecessors, (241), 100 states have return successors, (239), 225 states have call predecessors, (239), 239 states have call successors, (239) [2022-11-20 10:42:06,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2178 transitions. [2022-11-20 10:42:06,496 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2178 transitions. Word has length 76 [2022-11-20 10:42:06,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:06,497 INFO L495 AbstractCegarLoop]: Abstraction has 1519 states and 2178 transitions. [2022-11-20 10:42:06,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-20 10:42:06,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2178 transitions. [2022-11-20 10:42:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 10:42:06,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:06,498 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:06,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-11-20 10:42:06,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:06,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt [2022-11-20 10:42:06,919 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:42:06,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:06,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1244150360, now seen corresponding path program 1 times [2022-11-20 10:42:06,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:06,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1103991104] [2022-11-20 10:42:06,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:06,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:06,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:06,922 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:42:06,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-20 10:42:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:08,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 10:42:08,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:09,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:42:09,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:42:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 10:42:09,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:42:10,049 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:10,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1103991104] [2022-11-20 10:42:10,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1103991104] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:42:10,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1456851619] [2022-11-20 10:42:10,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:10,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 10:42:10,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 10:42:10,051 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 10:42:10,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-11-20 10:42:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:12,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 10:42:12,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:13,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:42:13,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:42:13,800 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 10:42:13,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:42:17,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1456851619] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:42:17,215 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:42:17,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-11-20 10:42:17,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115428473] [2022-11-20 10:42:17,216 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:42:17,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:42:17,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:17,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:42:17,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:42:17,217 INFO L87 Difference]: Start difference. First operand 1519 states and 2178 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 10:42:19,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:21,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:27,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:27,437 INFO L93 Difference]: Finished difference Result 1942 states and 2503 transitions. [2022-11-20 10:42:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:42:27,438 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 76 [2022-11-20 10:42:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:27,444 INFO L225 Difference]: With dead ends: 1942 [2022-11-20 10:42:27,445 INFO L226 Difference]: Without dead ends: 1942 [2022-11-20 10:42:27,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:42:27,446 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 994 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:27,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2296 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1905 Invalid, 2 Unknown, 0 Unchecked, 10.0s Time] [2022-11-20 10:42:27,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2022-11-20 10:42:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1696. [2022-11-20 10:42:27,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1116 states have (on average 1.739247311827957) internal successors, (1941), 1341 states have internal predecessors, (1941), 268 states have call successors, (268), 116 states have call predecessors, (268), 115 states have return successors, (266), 257 states have call predecessors, (266), 266 states have call successors, (266) [2022-11-20 10:42:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2475 transitions. [2022-11-20 10:42:27,487 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2475 transitions. Word has length 76 [2022-11-20 10:42:27,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:27,488 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 2475 transitions. [2022-11-20 10:42:27,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 10:42:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2475 transitions. [2022-11-20 10:42:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 10:42:27,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:27,489 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:27,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:27,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:27,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:27,903 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:42:27,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:27,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1356949500, now seen corresponding path program 1 times [2022-11-20 10:42:27,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:27,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734763116] [2022-11-20 10:42:27,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:27,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:27,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:27,906 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:42:27,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-20 10:42:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:28,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:42:28,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-20 10:42:28,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:28,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:28,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734763116] [2022-11-20 10:42:28,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734763116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:28,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:28,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:42:28,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974630722] [2022-11-20 10:42:28,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:28,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:42:28,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:28,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:42:28,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:42:28,737 INFO L87 Difference]: Start difference. First operand 1696 states and 2475 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 10:42:28,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:28,807 INFO L93 Difference]: Finished difference Result 1336 states and 1884 transitions. [2022-11-20 10:42:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:42:28,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2022-11-20 10:42:28,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:28,813 INFO L225 Difference]: With dead ends: 1336 [2022-11-20 10:42:28,813 INFO L226 Difference]: Without dead ends: 1331 [2022-11-20 10:42:28,814 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:42:28,814 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 3 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3128 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:28,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3128 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:42:28,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-11-20 10:42:28,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1331. [2022-11-20 10:42:28,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 857 states have (on average 1.7432905484247374) internal successors, (1494), 1069 states have internal predecessors, (1494), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:42:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1878 transitions. [2022-11-20 10:42:28,847 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1878 transitions. Word has length 81 [2022-11-20 10:42:28,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:28,847 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1878 transitions. [2022-11-20 10:42:28,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 10:42:28,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1878 transitions. [2022-11-20 10:42:28,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 10:42:28,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:28,849 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:28,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:29,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:29,063 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:42:29,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:29,063 INFO L85 PathProgramCache]: Analyzing trace with hash 986823980, now seen corresponding path program 1 times [2022-11-20 10:42:29,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:29,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [131834393] [2022-11-20 10:42:29,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:29,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:29,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:29,068 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:42:29,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-20 10:42:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:30,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:42:30,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:30,972 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 10:42:30,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-20 10:42:31,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 10:42:31,141 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-20 10:42:31,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:42:31,278 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:31,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [131834393] [2022-11-20 10:42:31,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [131834393] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:42:31,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [187724358] [2022-11-20 10:42:31,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:31,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 10:42:31,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 10:42:31,280 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 10:42:31,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-20 10:42:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:33,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 10:42:33,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:34,596 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-20 10:42:34,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-20 10:42:34,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 32 [2022-11-20 10:42:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-20 10:42:34,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:42:34,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [187724358] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:42:34,971 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:42:34,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-20 10:42:34,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698315507] [2022-11-20 10:42:34,971 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:42:34,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 10:42:34,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:34,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 10:42:34,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:42:34,973 INFO L87 Difference]: Start difference. First operand 1331 states and 1878 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-20 10:42:37,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:39,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:41,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:43,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:45,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:47,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:42:53,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:53,833 INFO L93 Difference]: Finished difference Result 1506 states and 1890 transitions. [2022-11-20 10:42:53,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:42:53,834 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 82 [2022-11-20 10:42:53,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:53,839 INFO L225 Difference]: With dead ends: 1506 [2022-11-20 10:42:53,839 INFO L226 Difference]: Without dead ends: 1506 [2022-11-20 10:42:53,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:42:53,841 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 737 mSDsluCounter, 3860 mSDsCounter, 0 mSdLazyCounter, 2795 mSolverCounterSat, 5 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 2806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2795 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:53,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 4560 Invalid, 2806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2795 Invalid, 6 Unknown, 0 Unchecked, 18.7s Time] [2022-11-20 10:42:53,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2022-11-20 10:42:53,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1329. [2022-11-20 10:42:53,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 857 states have (on average 1.7409568261376895) internal successors, (1492), 1067 states have internal predecessors, (1492), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:42:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1876 transitions. [2022-11-20 10:42:53,872 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1876 transitions. Word has length 82 [2022-11-20 10:42:53,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:53,872 INFO L495 AbstractCegarLoop]: Abstraction has 1329 states and 1876 transitions. [2022-11-20 10:42:53,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-20 10:42:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1876 transitions. [2022-11-20 10:42:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-20 10:42:53,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:53,874 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:53,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:54,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2022-11-20 10:42:54,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt [2022-11-20 10:42:54,294 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:42:54,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:54,295 INFO L85 PathProgramCache]: Analyzing trace with hash 986823981, now seen corresponding path program 1 times [2022-11-20 10:42:54,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:54,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458412823] [2022-11-20 10:42:54,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:54,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:42:54,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:54,297 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:42:54,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-20 10:42:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:55,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 10:42:55,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:56,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:42:56,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:42:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 10:42:57,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:42:59,755 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:59,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458412823] [2022-11-20 10:42:59,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458412823] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:42:59,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1470931821] [2022-11-20 10:42:59,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:59,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 10:42:59,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 10:42:59,757 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 10:42:59,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2022-11-20 10:43:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:02,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 10:43:02,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:43:03,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:43:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-20 10:43:04,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:43:04,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1470931821] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:43:04,495 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:43:04,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-11-20 10:43:04,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502757573] [2022-11-20 10:43:04,496 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:43:04,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:43:04,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:04,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:43:04,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2022-11-20 10:43:04,501 INFO L87 Difference]: Start difference. First operand 1329 states and 1876 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 10:43:06,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:43:08,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:43:14,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:14,630 INFO L93 Difference]: Finished difference Result 1573 states and 1902 transitions. [2022-11-20 10:43:14,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:43:14,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 82 [2022-11-20 10:43:14,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:14,638 INFO L225 Difference]: With dead ends: 1573 [2022-11-20 10:43:14,638 INFO L226 Difference]: Without dead ends: 1573 [2022-11-20 10:43:14,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=50, Invalid=105, Unknown=1, NotChecked=0, Total=156 [2022-11-20 10:43:14,639 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 1503 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:14,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 2001 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1681 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2022-11-20 10:43:14,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-11-20 10:43:14,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1327. [2022-11-20 10:43:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 857 states have (on average 1.7386231038506417) internal successors, (1490), 1065 states have internal predecessors, (1490), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:43:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1874 transitions. [2022-11-20 10:43:14,671 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1874 transitions. Word has length 82 [2022-11-20 10:43:14,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:14,672 INFO L495 AbstractCegarLoop]: Abstraction has 1327 states and 1874 transitions. [2022-11-20 10:43:14,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-20 10:43:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1874 transitions. [2022-11-20 10:43:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 10:43:14,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:14,674 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:14,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:14,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:15,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt [2022-11-20 10:43:15,096 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:43:15,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:15,096 INFO L85 PathProgramCache]: Analyzing trace with hash -3613151, now seen corresponding path program 1 times [2022-11-20 10:43:15,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:15,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [218126505] [2022-11-20 10:43:15,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:15,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:15,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:15,099 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:15,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-20 10:43:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:16,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:43:16,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:17,393 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 10:43:17,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-20 10:43:17,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 10:43:17,569 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:43:17,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:17,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:17,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [218126505] [2022-11-20 10:43:17,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [218126505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:17,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:17,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:43:17,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376048672] [2022-11-20 10:43:17,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:17,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:43:17,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:17,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:43:17,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:43:17,579 INFO L87 Difference]: Start difference. First operand 1327 states and 1874 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:43:19,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:43:22,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:22,098 INFO L93 Difference]: Finished difference Result 1502 states and 1886 transitions. [2022-11-20 10:43:22,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:43:22,099 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 88 [2022-11-20 10:43:22,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:22,104 INFO L225 Difference]: With dead ends: 1502 [2022-11-20 10:43:22,105 INFO L226 Difference]: Without dead ends: 1502 [2022-11-20 10:43:22,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:43:22,106 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 719 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:22,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1687 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 754 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-20 10:43:22,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2022-11-20 10:43:22,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1325. [2022-11-20 10:43:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 857 states have (on average 1.736289381563594) internal successors, (1488), 1063 states have internal predecessors, (1488), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:43:22,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1872 transitions. [2022-11-20 10:43:22,134 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1872 transitions. Word has length 88 [2022-11-20 10:43:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:22,135 INFO L495 AbstractCegarLoop]: Abstraction has 1325 states and 1872 transitions. [2022-11-20 10:43:22,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:43:22,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1872 transitions. [2022-11-20 10:43:22,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 10:43:22,136 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:22,136 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:22,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:22,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:22,351 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:43:22,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:22,351 INFO L85 PathProgramCache]: Analyzing trace with hash -3613150, now seen corresponding path program 1 times [2022-11-20 10:43:22,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:22,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048187135] [2022-11-20 10:43:22,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:22,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:22,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:22,353 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:22,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-20 10:43:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:24,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:43:24,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:25,051 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-20 10:43:25,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:43:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:43:25,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:25,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:25,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048187135] [2022-11-20 10:43:25,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048187135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:25,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:25,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:43:25,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767601990] [2022-11-20 10:43:25,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:25,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:43:25,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:25,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:43:25,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:43:25,398 INFO L87 Difference]: Start difference. First operand 1325 states and 1872 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 10:43:27,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:43:29,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:29,688 INFO L93 Difference]: Finished difference Result 1376 states and 1879 transitions. [2022-11-20 10:43:29,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:43:29,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 88 [2022-11-20 10:43:29,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:29,694 INFO L225 Difference]: With dead ends: 1376 [2022-11-20 10:43:29,694 INFO L226 Difference]: Without dead ends: 1376 [2022-11-20 10:43:29,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:43:29,695 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 123 mSDsluCounter, 1085 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:29,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 1848 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 516 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-20 10:43:29,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2022-11-20 10:43:29,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1323. [2022-11-20 10:43:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 857 states have (on average 1.7327887981330221) internal successors, (1485), 1061 states have internal predecessors, (1485), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:43:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1869 transitions. [2022-11-20 10:43:29,724 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1869 transitions. Word has length 88 [2022-11-20 10:43:29,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:29,725 INFO L495 AbstractCegarLoop]: Abstraction has 1323 states and 1869 transitions. [2022-11-20 10:43:29,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 10:43:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1869 transitions. [2022-11-20 10:43:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 10:43:29,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:29,726 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:29,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:29,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:29,943 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:43:29,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:29,943 INFO L85 PathProgramCache]: Analyzing trace with hash -112007323, now seen corresponding path program 1 times [2022-11-20 10:43:29,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:29,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061248351] [2022-11-20 10:43:29,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:29,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:29,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:29,945 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:29,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-20 10:43:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:31,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 10:43:31,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:32,144 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 10:43:32,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-20 10:43:32,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 10:43:32,315 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:43:32,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:32,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:32,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061248351] [2022-11-20 10:43:32,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061248351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:32,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:32,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:43:32,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558001176] [2022-11-20 10:43:32,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:32,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:43:32,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:32,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:43:32,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:43:32,318 INFO L87 Difference]: Start difference. First operand 1323 states and 1869 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:43:34,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:43:36,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:43:39,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:39,526 INFO L93 Difference]: Finished difference Result 1498 states and 1881 transitions. [2022-11-20 10:43:39,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:43:39,527 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2022-11-20 10:43:39,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:39,532 INFO L225 Difference]: With dead ends: 1498 [2022-11-20 10:43:39,532 INFO L226 Difference]: Without dead ends: 1498 [2022-11-20 10:43:39,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:43:39,533 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 1078 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 59 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:39,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 2009 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1081 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-20 10:43:39,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2022-11-20 10:43:39,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1321. [2022-11-20 10:43:39,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 857 states have (on average 1.7304550758459742) internal successors, (1483), 1059 states have internal predecessors, (1483), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:43:39,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1867 transitions. [2022-11-20 10:43:39,559 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1867 transitions. Word has length 89 [2022-11-20 10:43:39,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:39,560 INFO L495 AbstractCegarLoop]: Abstraction has 1321 states and 1867 transitions. [2022-11-20 10:43:39,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:43:39,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1867 transitions. [2022-11-20 10:43:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 10:43:39,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:39,561 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:39,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-11-20 10:43:39,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:39,783 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:43:39,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:39,783 INFO L85 PathProgramCache]: Analyzing trace with hash -112007322, now seen corresponding path program 1 times [2022-11-20 10:43:39,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:39,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760548669] [2022-11-20 10:43:39,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:39,785 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:39,785 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:39,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-20 10:43:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:41,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 10:43:41,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:42,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:43:42,457 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:43:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 10:43:42,701 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:43:43,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:43,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760548669] [2022-11-20 10:43:43,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760548669] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:43:43,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [541338791] [2022-11-20 10:43:43,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:43,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 10:43:43,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 10:43:43,187 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 10:43:43,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2022-11-20 10:43:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:46,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 10:43:46,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:47,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:43:47,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:43:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 10:43:47,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:43:49,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [541338791] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:43:49,807 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:43:49,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2022-11-20 10:43:49,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937519765] [2022-11-20 10:43:49,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:43:49,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:43:49,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:49,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:43:49,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:43:49,809 INFO L87 Difference]: Start difference. First operand 1321 states and 1867 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:43:51,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:43:56,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:43:56,500 INFO L93 Difference]: Finished difference Result 1565 states and 1893 transitions. [2022-11-20 10:43:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:43:56,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2022-11-20 10:43:56,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:43:56,504 INFO L225 Difference]: With dead ends: 1565 [2022-11-20 10:43:56,504 INFO L226 Difference]: Without dead ends: 1565 [2022-11-20 10:43:56,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:43:56,504 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 1391 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 87 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:43:56,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1865 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1251 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-11-20 10:43:56,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-11-20 10:43:56,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1319. [2022-11-20 10:43:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 857 states have (on average 1.7281213535589266) internal successors, (1481), 1057 states have internal predecessors, (1481), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:43:56,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1865 transitions. [2022-11-20 10:43:56,527 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1865 transitions. Word has length 89 [2022-11-20 10:43:56,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:43:56,527 INFO L495 AbstractCegarLoop]: Abstraction has 1319 states and 1865 transitions. [2022-11-20 10:43:56,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 10:43:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1865 transitions. [2022-11-20 10:43:56,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 10:43:56,529 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:43:56,529 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:43:56,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:56,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2022-11-20 10:43:56,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt [2022-11-20 10:43:56,942 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting cdev_addErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:43:56,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:43:56,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1939903835, now seen corresponding path program 1 times [2022-11-20 10:43:56,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:43:56,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [427790976] [2022-11-20 10:43:56,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:43:56,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:43:56,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:43:56,945 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:43:56,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-20 10:43:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:43:57,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:43:57,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:43:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:43:57,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:43:57,988 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:43:57,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [427790976] [2022-11-20 10:43:57,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [427790976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:43:57,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:43:57,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:43:57,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283409179] [2022-11-20 10:43:57,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:43:57,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:43:57,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:43:57,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:43:57,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:43:57,990 INFO L87 Difference]: Start difference. First operand 1319 states and 1865 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 10:44:00,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:44:02,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:44:05,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:05,113 INFO L93 Difference]: Finished difference Result 1494 states and 1877 transitions. [2022-11-20 10:44:05,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:44:05,114 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 96 [2022-11-20 10:44:05,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:05,117 INFO L225 Difference]: With dead ends: 1494 [2022-11-20 10:44:05,117 INFO L226 Difference]: Without dead ends: 1494 [2022-11-20 10:44:05,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:44:05,118 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 790 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:05,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 2188 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1094 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-11-20 10:44:05,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2022-11-20 10:44:05,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1317. [2022-11-20 10:44:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1317 states, 857 states have (on average 1.7257876312718787) internal successors, (1479), 1055 states have internal predecessors, (1479), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:44:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1863 transitions. [2022-11-20 10:44:05,139 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1863 transitions. Word has length 96 [2022-11-20 10:44:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:05,140 INFO L495 AbstractCegarLoop]: Abstraction has 1317 states and 1863 transitions. [2022-11-20 10:44:05,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 10:44:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1863 transitions. [2022-11-20 10:44:05,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 10:44:05,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:05,142 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:05,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2022-11-20 10:44:05,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:05,363 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting cdev_addErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:44:05,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:05,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1939903834, now seen corresponding path program 1 times [2022-11-20 10:44:05,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:05,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340641791] [2022-11-20 10:44:05,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:05,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:05,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:05,365 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:05,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-20 10:44:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:07,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 10:44:07,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:44:08,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:44:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 10:44:08,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:44:09,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:09,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340641791] [2022-11-20 10:44:09,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340641791] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:44:09,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1068477044] [2022-11-20 10:44:09,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:09,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 10:44:09,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 10:44:09,764 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 10:44:09,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2022-11-20 10:44:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:13,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 948 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 10:44:13,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:14,035 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 10:44:14,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-20 10:44:14,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 10:44:14,886 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-20 10:44:14,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 23 [2022-11-20 10:44:14,954 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 10:44:14,954 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:44:15,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2022-11-20 10:44:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:44:16,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1068477044] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:44:16,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:44:16,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2022-11-20 10:44:16,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466423906] [2022-11-20 10:44:16,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:16,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:44:16,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:16,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:44:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:44:16,720 INFO L87 Difference]: Start difference. First operand 1317 states and 1863 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-20 10:44:18,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:44:20,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:44:22,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:44:33,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:44:33,661 INFO L93 Difference]: Finished difference Result 1369 states and 1872 transitions. [2022-11-20 10:44:33,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:44:33,662 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 96 [2022-11-20 10:44:33,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:44:33,665 INFO L225 Difference]: With dead ends: 1369 [2022-11-20 10:44:33,665 INFO L226 Difference]: Without dead ends: 1369 [2022-11-20 10:44:33,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-11-20 10:44:33,666 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 335 mSDsluCounter, 3063 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 22 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 3807 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:44:33,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 3807 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1703 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2022-11-20 10:44:33,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2022-11-20 10:44:33,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1316. [2022-11-20 10:44:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 857 states have (on average 1.7246207701283547) internal successors, (1478), 1054 states have internal predecessors, (1478), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:44:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1862 transitions. [2022-11-20 10:44:33,688 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1862 transitions. Word has length 96 [2022-11-20 10:44:33,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:44:33,689 INFO L495 AbstractCegarLoop]: Abstraction has 1316 states and 1862 transitions. [2022-11-20 10:44:33,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-20 10:44:33,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1862 transitions. [2022-11-20 10:44:33,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-20 10:44:33,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:44:33,690 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:44:33,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:33,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:34,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt [2022-11-20 10:44:34,112 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting cdev_addErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:44:34,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:34,113 INFO L85 PathProgramCache]: Analyzing trace with hash -7475738, now seen corresponding path program 1 times [2022-11-20 10:44:34,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:44:34,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2449791] [2022-11-20 10:44:34,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:34,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:44:34,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:44:34,115 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:44:34,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-11-20 10:44:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:35,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 10:44:35,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:36,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:44:36,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:44:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 10:44:37,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:44:38,145 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:44:38,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2449791] [2022-11-20 10:44:38,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2449791] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:44:38,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [538342901] [2022-11-20 10:44:38,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:38,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 10:44:38,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 10:44:38,151 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 10:44:38,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2022-11-20 10:44:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:41,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 10:44:41,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:42,455 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-20 10:44:42,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-20 10:44:42,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 10:44:43,401 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-20 10:44:43,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 23 [2022-11-20 10:44:43,487 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 10:44:43,487 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:44:44,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2022-11-20 10:44:45,192 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:44:45,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [538342901] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:44:45,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:44:45,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2022-11-20 10:44:45,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920572714] [2022-11-20 10:44:45,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:44:45,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:44:45,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:44:45,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:44:45,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:44:45,194 INFO L87 Difference]: Start difference. First operand 1316 states and 1862 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-20 10:44:47,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:44:49,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:44:51,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:44:53,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:45:04,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:04,017 INFO L93 Difference]: Finished difference Result 1368 states and 1871 transitions. [2022-11-20 10:45:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:45:04,019 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 97 [2022-11-20 10:45:04,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:04,022 INFO L225 Difference]: With dead ends: 1368 [2022-11-20 10:45:04,022 INFO L226 Difference]: Without dead ends: 1368 [2022-11-20 10:45:04,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-11-20 10:45:04,023 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 243 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 1678 mSolverCounterSat, 21 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 3791 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1678 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:04,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 3791 Invalid, 1703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1678 Invalid, 4 Unknown, 0 Unchecked, 18.6s Time] [2022-11-20 10:45:04,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2022-11-20 10:45:04,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1315. [2022-11-20 10:45:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 857 states have (on average 1.7234539089848309) internal successors, (1477), 1053 states have internal predecessors, (1477), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:45:04,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1861 transitions. [2022-11-20 10:45:04,043 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1861 transitions. Word has length 97 [2022-11-20 10:45:04,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:04,044 INFO L495 AbstractCegarLoop]: Abstraction has 1315 states and 1861 transitions. [2022-11-20 10:45:04,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-20 10:45:04,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1861 transitions. [2022-11-20 10:45:04,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 10:45:04,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:04,045 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:04,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:04,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:04,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt [2022-11-20 10:45:04,467 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting cdev_addErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:45:04,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:04,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1798435149, now seen corresponding path program 1 times [2022-11-20 10:45:04,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:04,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1380798627] [2022-11-20 10:45:04,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:04,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:04,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:04,471 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:04,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-20 10:45:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:06,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:45:06,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:06,914 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-20 10:45:06,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-20 10:45:06,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-20 10:45:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:45:07,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:07,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:07,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1380798627] [2022-11-20 10:45:07,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1380798627] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:07,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:07,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:45:07,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968125516] [2022-11-20 10:45:07,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:07,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:45:07,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:07,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:45:07,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:45:07,203 INFO L87 Difference]: Start difference. First operand 1315 states and 1861 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:45:09,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:45:11,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:11,807 INFO L93 Difference]: Finished difference Result 1472 states and 1855 transitions. [2022-11-20 10:45:11,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:45:11,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 106 [2022-11-20 10:45:11,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:11,811 INFO L225 Difference]: With dead ends: 1472 [2022-11-20 10:45:11,811 INFO L226 Difference]: Without dead ends: 1472 [2022-11-20 10:45:11,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:45:11,812 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 670 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:11,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1518 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 740 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-20 10:45:11,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-11-20 10:45:11,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1311. [2022-11-20 10:45:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 857 states have (on average 1.7001166861143524) internal successors, (1457), 1049 states have internal predecessors, (1457), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:45:11,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1841 transitions. [2022-11-20 10:45:11,826 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1841 transitions. Word has length 106 [2022-11-20 10:45:11,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:11,826 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1841 transitions. [2022-11-20 10:45:11,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:45:11,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1841 transitions. [2022-11-20 10:45:11,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 10:45:11,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:11,827 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:11,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:12,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:12,028 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting cdev_addErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:45:12,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:12,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1798435150, now seen corresponding path program 1 times [2022-11-20 10:45:12,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:12,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012709984] [2022-11-20 10:45:12,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:12,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:12,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:12,030 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:12,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-20 10:45:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:14,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 10:45:14,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:15,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:45:15,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:45:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 10:45:15,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:16,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:16,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012709984] [2022-11-20 10:45:16,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012709984] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:16,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [822099989] [2022-11-20 10:45:16,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:16,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-20 10:45:16,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 [2022-11-20 10:45:16,565 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-20 10:45:16,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2022-11-20 10:45:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:20,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 10:45:20,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:45:21,350 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-20 10:45:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 10:45:21,880 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:22,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [822099989] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:22,483 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:45:22,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2022-11-20 10:45:22,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392567554] [2022-11-20 10:45:22,483 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:45:22,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:45:22,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:22,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:45:22,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:45:22,484 INFO L87 Difference]: Start difference. First operand 1311 states and 1841 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:45:25,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:25,099 INFO L93 Difference]: Finished difference Result 1521 states and 2077 transitions. [2022-11-20 10:45:25,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:45:25,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 106 [2022-11-20 10:45:25,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:25,104 INFO L225 Difference]: With dead ends: 1521 [2022-11-20 10:45:25,104 INFO L226 Difference]: Without dead ends: 1521 [2022-11-20 10:45:25,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 10:45:25,105 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 262 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:25,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1796 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 10:45:25,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2022-11-20 10:45:25,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1450. [2022-11-20 10:45:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 956 states have (on average 1.6935146443514644) internal successors, (1619), 1146 states have internal predecessors, (1619), 220 states have call successors, (220), 100 states have call predecessors, (220), 101 states have return successors, (221), 217 states have call predecessors, (221), 220 states have call successors, (221) [2022-11-20 10:45:25,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2060 transitions. [2022-11-20 10:45:25,128 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2060 transitions. Word has length 106 [2022-11-20 10:45:25,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:25,129 INFO L495 AbstractCegarLoop]: Abstraction has 1450 states and 2060 transitions. [2022-11-20 10:45:25,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 10:45:25,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2060 transitions. [2022-11-20 10:45:25,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-20 10:45:25,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:25,130 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:25,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:25,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:25,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/cvc4 --incremental --print-success --lang smt [2022-11-20 10:45:25,552 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:45:25,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:25,553 INFO L85 PathProgramCache]: Analyzing trace with hash 541867099, now seen corresponding path program 1 times [2022-11-20 10:45:25,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:25,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753149054] [2022-11-20 10:45:25,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:25,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:25,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:25,555 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:25,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-20 10:45:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:27,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:45:27,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:28,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-20 10:45:28,021 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_zf_show_action_~#str~0#1.base_29| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_29| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_29|) (_ bv0 1)))) is different from true [2022-11-20 10:45:28,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 10:45:30,089 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_zf_show_action_~#str~0#1.base_29| (_ BitVec 32))) (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_29|))) (exists ((|v_ULTIMATE.start_zf_show_action_~#str~0#1.base_29| (_ BitVec 32))) (and (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_29| (_ bv0 1)) |c_#valid|) (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_29|) (_ bv0 1))))) is different from true [2022-11-20 10:45:30,096 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 10:45:32,254 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 10:45:34,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 10:45:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-20 10:45:36,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:36,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:36,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753149054] [2022-11-20 10:45:36,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753149054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:36,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:36,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:45:36,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90710186] [2022-11-20 10:45:36,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:36,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:45:36,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:36,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:45:36,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=14, Unknown=3, NotChecked=14, Total=42 [2022-11-20 10:45:36,468 INFO L87 Difference]: Start difference. First operand 1450 states and 2060 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-11-20 10:45:38,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 10:45:39,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:39,351 INFO L93 Difference]: Finished difference Result 1459 states and 2066 transitions. [2022-11-20 10:45:39,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:45:39,352 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) Word has length 121 [2022-11-20 10:45:39,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:39,356 INFO L225 Difference]: With dead ends: 1459 [2022-11-20 10:45:39,356 INFO L226 Difference]: Without dead ends: 1457 [2022-11-20 10:45:39,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=11, Invalid=14, Unknown=3, NotChecked=14, Total=42 [2022-11-20 10:45:39,357 INFO L413 NwaCegarLoop]: 743 mSDtfsCounter, 2 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 2180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 1987 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:39,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2338 Invalid, 2180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 1 Unknown, 1987 Unchecked, 2.9s Time] [2022-11-20 10:45:39,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2022-11-20 10:45:39,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1457. [2022-11-20 10:45:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 961 states have (on average 1.6888657648283039) internal successors, (1623), 1151 states have internal predecessors, (1623), 220 states have call successors, (220), 102 states have call predecessors, (220), 103 states have return successors, (221), 217 states have call predecessors, (221), 220 states have call successors, (221) [2022-11-20 10:45:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2064 transitions. [2022-11-20 10:45:39,395 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2064 transitions. Word has length 121 [2022-11-20 10:45:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:39,395 INFO L495 AbstractCegarLoop]: Abstraction has 1457 states and 2064 transitions. [2022-11-20 10:45:39,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-11-20 10:45:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2064 transitions. [2022-11-20 10:45:39,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 10:45:39,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:39,397 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:39,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2022-11-20 10:45:39,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:39,598 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:45:39,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:39,598 INFO L85 PathProgramCache]: Analyzing trace with hash 968394777, now seen corresponding path program 1 times [2022-11-20 10:45:39,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:39,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398106596] [2022-11-20 10:45:39,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:39,599 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:39,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:39,601 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:39,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-20 10:45:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:40,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 10:45:40,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-20 10:45:41,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:41,039 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:41,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398106596] [2022-11-20 10:45:41,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398106596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:41,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:41,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 10:45:41,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130510193] [2022-11-20 10:45:41,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:41,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 10:45:41,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:41,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 10:45:41,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:45:41,041 INFO L87 Difference]: Start difference. First operand 1457 states and 2064 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-20 10:45:41,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:41,599 INFO L93 Difference]: Finished difference Result 1326 states and 1853 transitions. [2022-11-20 10:45:41,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 10:45:41,600 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2022-11-20 10:45:41,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:41,603 INFO L225 Difference]: With dead ends: 1326 [2022-11-20 10:45:41,603 INFO L226 Difference]: Without dead ends: 1311 [2022-11-20 10:45:41,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:45:41,604 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 26 mSDsluCounter, 8101 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 8841 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:41,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 8841 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:45:41,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2022-11-20 10:45:41,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1311. [2022-11-20 10:45:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 860 states have (on average 1.6906976744186046) internal successors, (1454), 1048 states have internal predecessors, (1454), 192 states have call successors, (192), 86 states have call predecessors, (192), 86 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-20 10:45:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1838 transitions. [2022-11-20 10:45:41,626 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1838 transitions. Word has length 128 [2022-11-20 10:45:41,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:41,626 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1838 transitions. [2022-11-20 10:45:41,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-20 10:45:41,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1838 transitions. [2022-11-20 10:45:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-20 10:45:41,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:41,628 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:41,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2022-11-20 10:45:41,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:41,846 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:45:41,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:41,846 INFO L85 PathProgramCache]: Analyzing trace with hash 101747144, now seen corresponding path program 1 times [2022-11-20 10:45:41,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:41,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167956236] [2022-11-20 10:45:41,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:41,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:41,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:41,849 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:41,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-20 10:45:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:43,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 1095 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 10:45:43,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:45:43,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:43,548 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:43,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167956236] [2022-11-20 10:45:43,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167956236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:43,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:43,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 10:45:43,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501293463] [2022-11-20 10:45:43,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:43,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:45:43,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:43,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:45:43,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:45:43,550 INFO L87 Difference]: Start difference. First operand 1311 states and 1838 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 10:45:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:43,716 INFO L93 Difference]: Finished difference Result 1713 states and 2477 transitions. [2022-11-20 10:45:43,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:45:43,717 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 127 [2022-11-20 10:45:43,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:43,721 INFO L225 Difference]: With dead ends: 1713 [2022-11-20 10:45:43,721 INFO L226 Difference]: Without dead ends: 1713 [2022-11-20 10:45:43,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:45:43,722 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 764 mSDsluCounter, 4455 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 5585 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:43,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 5585 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:45:43,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-11-20 10:45:43,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1174. [2022-11-20 10:45:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 766 states have (on average 1.6866840731070496) internal successors, (1292), 952 states have internal predecessors, (1292), 164 states have call successors, (164), 71 states have call predecessors, (164), 71 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2022-11-20 10:45:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1620 transitions. [2022-11-20 10:45:43,745 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1620 transitions. Word has length 127 [2022-11-20 10:45:43,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:43,746 INFO L495 AbstractCegarLoop]: Abstraction has 1174 states and 1620 transitions. [2022-11-20 10:45:43,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-20 10:45:43,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1620 transitions. [2022-11-20 10:45:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-20 10:45:43,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:43,748 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:43,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:43,970 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:45:43,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:43,971 INFO L85 PathProgramCache]: Analyzing trace with hash 514360856, now seen corresponding path program 1 times [2022-11-20 10:45:43,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:43,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1422946582] [2022-11-20 10:45:43,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:43,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:43,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:43,973 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-20 10:45:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:45,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:45:45,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:45,358 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:45:45,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:45:45,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:45:45,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1422946582] [2022-11-20 10:45:45,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1422946582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:45:45,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:45:45,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:45:45,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222254159] [2022-11-20 10:45:45,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:45:45,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:45:45,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:45:45,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:45:45,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:45:45,361 INFO L87 Difference]: Start difference. First operand 1174 states and 1620 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 10:45:45,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:45,386 INFO L93 Difference]: Finished difference Result 1172 states and 1616 transitions. [2022-11-20 10:45:45,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:45:45,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 137 [2022-11-20 10:45:45,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:45:45,390 INFO L225 Difference]: With dead ends: 1172 [2022-11-20 10:45:45,390 INFO L226 Difference]: Without dead ends: 1172 [2022-11-20 10:45:45,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:45:45,392 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 0 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:45:45,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2230 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:45:45,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-11-20 10:45:45,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1172. [2022-11-20 10:45:45,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 765 states have (on average 1.6862745098039216) internal successors, (1290), 950 states have internal predecessors, (1290), 163 states have call successors, (163), 71 states have call predecessors, (163), 71 states have return successors, (163), 161 states have call predecessors, (163), 163 states have call successors, (163) [2022-11-20 10:45:45,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1616 transitions. [2022-11-20 10:45:45,414 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1616 transitions. Word has length 137 [2022-11-20 10:45:45,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:45:45,414 INFO L495 AbstractCegarLoop]: Abstraction has 1172 states and 1616 transitions. [2022-11-20 10:45:45,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-20 10:45:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1616 transitions. [2022-11-20 10:45:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-20 10:45:45,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:45:45,416 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:45,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:45,632 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-20 10:45:45,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:45,633 INFO L85 PathProgramCache]: Analyzing trace with hash -910021418, now seen corresponding path program 1 times [2022-11-20 10:45:45,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:45:45,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689313563] [2022-11-20 10:45:45,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:45,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:45,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:45:45,635 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-11-20 10:45:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:49,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:52,174 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-20 10:45:52,174 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:45:52,176 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK (204 of 205 remaining) [2022-11-20 10:45:52,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (203 of 205 remaining) [2022-11-20 10:45:52,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (202 of 205 remaining) [2022-11-20 10:45:52,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (201 of 205 remaining) [2022-11-20 10:45:52,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (200 of 205 remaining) [2022-11-20 10:45:52,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (199 of 205 remaining) [2022-11-20 10:45:52,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (198 of 205 remaining) [2022-11-20 10:45:52,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (197 of 205 remaining) [2022-11-20 10:45:52,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (196 of 205 remaining) [2022-11-20 10:45:52,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (195 of 205 remaining) [2022-11-20 10:45:52,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (194 of 205 remaining) [2022-11-20 10:45:52,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (193 of 205 remaining) [2022-11-20 10:45:52,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (192 of 205 remaining) [2022-11-20 10:45:52,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (191 of 205 remaining) [2022-11-20 10:45:52,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (190 of 205 remaining) [2022-11-20 10:45:52,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (189 of 205 remaining) [2022-11-20 10:45:52,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (188 of 205 remaining) [2022-11-20 10:45:52,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (187 of 205 remaining) [2022-11-20 10:45:52,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (186 of 205 remaining) [2022-11-20 10:45:52,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (185 of 205 remaining) [2022-11-20 10:45:52,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (184 of 205 remaining) [2022-11-20 10:45:52,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (183 of 205 remaining) [2022-11-20 10:45:52,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (182 of 205 remaining) [2022-11-20 10:45:52,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (181 of 205 remaining) [2022-11-20 10:45:52,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (180 of 205 remaining) [2022-11-20 10:45:52,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (179 of 205 remaining) [2022-11-20 10:45:52,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (178 of 205 remaining) [2022-11-20 10:45:52,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (177 of 205 remaining) [2022-11-20 10:45:52,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (176 of 205 remaining) [2022-11-20 10:45:52,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (175 of 205 remaining) [2022-11-20 10:45:52,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (174 of 205 remaining) [2022-11-20 10:45:52,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (173 of 205 remaining) [2022-11-20 10:45:52,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (172 of 205 remaining) [2022-11-20 10:45:52,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (171 of 205 remaining) [2022-11-20 10:45:52,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (170 of 205 remaining) [2022-11-20 10:45:52,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (169 of 205 remaining) [2022-11-20 10:45:52,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (168 of 205 remaining) [2022-11-20 10:45:52,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (167 of 205 remaining) [2022-11-20 10:45:52,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (166 of 205 remaining) [2022-11-20 10:45:52,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (165 of 205 remaining) [2022-11-20 10:45:52,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (164 of 205 remaining) [2022-11-20 10:45:52,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (163 of 205 remaining) [2022-11-20 10:45:52,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (162 of 205 remaining) [2022-11-20 10:45:52,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (161 of 205 remaining) [2022-11-20 10:45:52,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (160 of 205 remaining) [2022-11-20 10:45:52,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (159 of 205 remaining) [2022-11-20 10:45:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (158 of 205 remaining) [2022-11-20 10:45:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (157 of 205 remaining) [2022-11-20 10:45:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (156 of 205 remaining) [2022-11-20 10:45:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (155 of 205 remaining) [2022-11-20 10:45:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (154 of 205 remaining) [2022-11-20 10:45:52,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (153 of 205 remaining) [2022-11-20 10:45:52,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (152 of 205 remaining) [2022-11-20 10:45:52,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (151 of 205 remaining) [2022-11-20 10:45:52,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (150 of 205 remaining) [2022-11-20 10:45:52,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (149 of 205 remaining) [2022-11-20 10:45:52,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (148 of 205 remaining) [2022-11-20 10:45:52,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (147 of 205 remaining) [2022-11-20 10:45:52,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (146 of 205 remaining) [2022-11-20 10:45:52,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (145 of 205 remaining) [2022-11-20 10:45:52,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (144 of 205 remaining) [2022-11-20 10:45:52,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (143 of 205 remaining) [2022-11-20 10:45:52,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (142 of 205 remaining) [2022-11-20 10:45:52,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (141 of 205 remaining) [2022-11-20 10:45:52,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (140 of 205 remaining) [2022-11-20 10:45:52,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (139 of 205 remaining) [2022-11-20 10:45:52,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (138 of 205 remaining) [2022-11-20 10:45:52,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (137 of 205 remaining) [2022-11-20 10:45:52,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (136 of 205 remaining) [2022-11-20 10:45:52,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (135 of 205 remaining) [2022-11-20 10:45:52,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (134 of 205 remaining) [2022-11-20 10:45:52,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (133 of 205 remaining) [2022-11-20 10:45:52,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (132 of 205 remaining) [2022-11-20 10:45:52,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (131 of 205 remaining) [2022-11-20 10:45:52,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (130 of 205 remaining) [2022-11-20 10:45:52,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (129 of 205 remaining) [2022-11-20 10:45:52,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (128 of 205 remaining) [2022-11-20 10:45:52,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (127 of 205 remaining) [2022-11-20 10:45:52,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (126 of 205 remaining) [2022-11-20 10:45:52,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (125 of 205 remaining) [2022-11-20 10:45:52,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (124 of 205 remaining) [2022-11-20 10:45:52,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 205 remaining) [2022-11-20 10:45:52,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 205 remaining) [2022-11-20 10:45:52,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (121 of 205 remaining) [2022-11-20 10:45:52,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 205 remaining) [2022-11-20 10:45:52,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 205 remaining) [2022-11-20 10:45:52,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (118 of 205 remaining) [2022-11-20 10:45:52,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 205 remaining) [2022-11-20 10:45:52,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 205 remaining) [2022-11-20 10:45:52,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 205 remaining) [2022-11-20 10:45:52,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 205 remaining) [2022-11-20 10:45:52,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 205 remaining) [2022-11-20 10:45:52,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 205 remaining) [2022-11-20 10:45:52,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 205 remaining) [2022-11-20 10:45:52,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 205 remaining) [2022-11-20 10:45:52,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 205 remaining) [2022-11-20 10:45:52,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 205 remaining) [2022-11-20 10:45:52,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 205 remaining) [2022-11-20 10:45:52,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 205 remaining) [2022-11-20 10:45:52,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 205 remaining) [2022-11-20 10:45:52,196 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 205 remaining) [2022-11-20 10:45:52,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 205 remaining) [2022-11-20 10:45:52,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 205 remaining) [2022-11-20 10:45:52,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 205 remaining) [2022-11-20 10:45:52,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 205 remaining) [2022-11-20 10:45:52,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 205 remaining) [2022-11-20 10:45:52,197 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 205 remaining) [2022-11-20 10:45:52,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 205 remaining) [2022-11-20 10:45:52,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 205 remaining) [2022-11-20 10:45:52,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 205 remaining) [2022-11-20 10:45:52,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 205 remaining) [2022-11-20 10:45:52,198 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 205 remaining) [2022-11-20 10:45:52,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 205 remaining) [2022-11-20 10:45:52,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 205 remaining) [2022-11-20 10:45:52,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 205 remaining) [2022-11-20 10:45:52,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 205 remaining) [2022-11-20 10:45:52,199 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 205 remaining) [2022-11-20 10:45:52,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 205 remaining) [2022-11-20 10:45:52,200 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 205 remaining) [2022-11-20 10:45:52,201 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 205 remaining) [2022-11-20 10:45:52,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 205 remaining) [2022-11-20 10:45:52,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 205 remaining) [2022-11-20 10:45:52,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 205 remaining) [2022-11-20 10:45:52,202 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 205 remaining) [2022-11-20 10:45:52,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 205 remaining) [2022-11-20 10:45:52,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 205 remaining) [2022-11-20 10:45:52,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 205 remaining) [2022-11-20 10:45:52,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 205 remaining) [2022-11-20 10:45:52,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 205 remaining) [2022-11-20 10:45:52,203 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 205 remaining) [2022-11-20 10:45:52,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 205 remaining) [2022-11-20 10:45:52,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr102REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 205 remaining) [2022-11-20 10:45:52,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 205 remaining) [2022-11-20 10:45:52,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr104REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 205 remaining) [2022-11-20 10:45:52,204 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr105REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 205 remaining) [2022-11-20 10:45:52,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr106REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 205 remaining) [2022-11-20 10:45:52,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr107REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 205 remaining) [2022-11-20 10:45:52,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr108REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 205 remaining) [2022-11-20 10:45:52,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr109REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 205 remaining) [2022-11-20 10:45:52,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr110REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 205 remaining) [2022-11-20 10:45:52,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr111REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 205 remaining) [2022-11-20 10:45:52,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr112REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 205 remaining) [2022-11-20 10:45:52,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr113REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 205 remaining) [2022-11-20 10:45:52,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 205 remaining) [2022-11-20 10:45:52,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr115REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 205 remaining) [2022-11-20 10:45:52,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr116REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 205 remaining) [2022-11-20 10:45:52,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr117REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 205 remaining) [2022-11-20 10:45:52,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr118REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 205 remaining) [2022-11-20 10:45:52,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr119REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 205 remaining) [2022-11-20 10:45:52,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr120REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 205 remaining) [2022-11-20 10:45:52,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr121REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 205 remaining) [2022-11-20 10:45:52,207 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr122REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 205 remaining) [2022-11-20 10:45:52,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr123REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 205 remaining) [2022-11-20 10:45:52,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr124REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 205 remaining) [2022-11-20 10:45:52,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr125REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 205 remaining) [2022-11-20 10:45:52,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr126REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 205 remaining) [2022-11-20 10:45:52,208 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr127REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 205 remaining) [2022-11-20 10:45:52,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr128REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 205 remaining) [2022-11-20 10:45:52,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr129REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 205 remaining) [2022-11-20 10:45:52,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr130REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 205 remaining) [2022-11-20 10:45:52,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr131REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 205 remaining) [2022-11-20 10:45:52,209 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr132REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 205 remaining) [2022-11-20 10:45:52,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr133REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 205 remaining) [2022-11-20 10:45:52,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr134REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 205 remaining) [2022-11-20 10:45:52,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr135REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 205 remaining) [2022-11-20 10:45:52,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr136REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 205 remaining) [2022-11-20 10:45:52,210 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr137REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 205 remaining) [2022-11-20 10:45:52,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr138REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 205 remaining) [2022-11-20 10:45:52,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr139REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 205 remaining) [2022-11-20 10:45:52,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr140REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 205 remaining) [2022-11-20 10:45:52,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr141REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 205 remaining) [2022-11-20 10:45:52,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr142REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 205 remaining) [2022-11-20 10:45:52,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr143REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 205 remaining) [2022-11-20 10:45:52,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr144REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 205 remaining) [2022-11-20 10:45:52,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr145REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 205 remaining) [2022-11-20 10:45:52,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr146REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 205 remaining) [2022-11-20 10:45:52,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr147REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 205 remaining) [2022-11-20 10:45:52,212 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr148REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 205 remaining) [2022-11-20 10:45:52,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr149REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 205 remaining) [2022-11-20 10:45:52,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr150REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 205 remaining) [2022-11-20 10:45:52,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr151REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 205 remaining) [2022-11-20 10:45:52,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr152REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 205 remaining) [2022-11-20 10:45:52,213 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr153REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 205 remaining) [2022-11-20 10:45:52,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr154REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 205 remaining) [2022-11-20 10:45:52,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr155REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 205 remaining) [2022-11-20 10:45:52,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr156REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 205 remaining) [2022-11-20 10:45:52,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 205 remaining) [2022-11-20 10:45:52,214 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr158REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 205 remaining) [2022-11-20 10:45:52,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr159REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 205 remaining) [2022-11-20 10:45:52,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr160REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 205 remaining) [2022-11-20 10:45:52,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr161REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 205 remaining) [2022-11-20 10:45:52,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr162REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 205 remaining) [2022-11-20 10:45:52,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr163REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 205 remaining) [2022-11-20 10:45:52,215 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 205 remaining) [2022-11-20 10:45:52,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 205 remaining) [2022-11-20 10:45:52,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 205 remaining) [2022-11-20 10:45:52,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 205 remaining) [2022-11-20 10:45:52,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 205 remaining) [2022-11-20 10:45:52,216 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 205 remaining) [2022-11-20 10:45:52,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 205 remaining) [2022-11-20 10:45:52,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 205 remaining) [2022-11-20 10:45:52,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 205 remaining) [2022-11-20 10:45:52,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 205 remaining) [2022-11-20 10:45:52,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 205 remaining) [2022-11-20 10:45:52,217 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 205 remaining) [2022-11-20 10:45:52,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:52,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:45:52,429 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:45:52,434 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:45:52,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:45:52 BoogieIcfgContainer [2022-11-20 10:45:52,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:45:52,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:45:52,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:45:52,721 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:45:52,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:39:12" (3/4) ... [2022-11-20 10:45:52,725 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:45:52,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:45:52,726 INFO L158 Benchmark]: Toolchain (without parser) took 408984.90ms. Allocated memory was 75.5MB in the beginning and 249.6MB in the end (delta: 174.1MB). Free memory was 45.3MB in the beginning and 111.9MB in the end (delta: -66.6MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2022-11-20 10:45:52,726 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:52,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2441.39ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 45.1MB in the beginning and 49.0MB in the end (delta: -4.0MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2022-11-20 10:45:52,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.57ms. Allocated memory is still 102.8MB. Free memory was 49.0MB in the beginning and 40.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:45:52,727 INFO L158 Benchmark]: Boogie Preprocessor took 183.62ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 40.1MB in the beginning and 84.0MB in the end (delta: -43.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-11-20 10:45:52,727 INFO L158 Benchmark]: RCFGBuilder took 6222.69ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 84.0MB in the beginning and 91.7MB in the end (delta: -7.7MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2022-11-20 10:45:52,727 INFO L158 Benchmark]: TraceAbstraction took 399988.23ms. Allocated memory was 197.1MB in the beginning and 249.6MB in the end (delta: 52.4MB). Free memory was 90.6MB in the beginning and 111.9MB in the end (delta: -21.2MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2022-11-20 10:45:52,727 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 249.6MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:52,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2441.39ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 45.1MB in the beginning and 49.0MB in the end (delta: -4.0MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.57ms. Allocated memory is still 102.8MB. Free memory was 49.0MB in the beginning and 40.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 183.62ms. Allocated memory was 102.8MB in the beginning and 132.1MB in the end (delta: 29.4MB). Free memory was 40.1MB in the beginning and 84.0MB in the end (delta: -43.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6222.69ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 84.0MB in the beginning and 91.7MB in the end (delta: -7.7MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. * TraceAbstraction took 399988.23ms. Allocated memory was 197.1MB in the beginning and 249.6MB in the end (delta: 52.4MB). Free memory was 90.6MB in the beginning and 111.9MB in the end (delta: -21.2MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 249.6MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1848]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of large string literal at line 1803, overapproximation of memtrack at line 1848. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2596] struct ddv_pci_driver registered_pci_driver; [L2607] struct registered_irq registered_irq[16]; [L2617] short number_tasklet_registered = 0; [L2624] struct ddv_tasklet tasklet_registered[1]; [L2634] short number_timer_registered = 0; [L2640] struct ddv_timer timer_registered[1]; [L2650] struct work_struct *shared_workqueue[10]; [L2660] spinlock_t kernel_lock; [L3346] request_queue_t fixed_request_queue[10]; [L3348] int number_request_queue_used = 0; [L3432] struct proc_dir_entry *proc_root_driver; [L3742] struct ddv_tty_driver global_tty_driver; [L3921] int ddv_ioport_request_start; [L3922] int ddv_ioport_request_len; VAL [={0:0}, ={-1:8}, ={-1:7}, ={0:0}, action=0, cdev_registered={36:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2724] int err; [L2726] current_execution_context = 1 [L2728] CALL init_kernel() [L2664] int i; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2666] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4153] lock->init = 1 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4154] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2666] RET spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND TRUE i < 10 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2668] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] COND TRUE i < 1 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] tasklet_registered[i].tasklet = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2674] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2672] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2728] RET init_kernel() [L2730] CALL, EXPR (* _ddv_module_init)() [L1776] int ret; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4480] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1780] CALL, EXPR zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1469] FCALL outb(port, 0x218) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(port)=2, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, port=2, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1470] CALL, EXPR inw(0x21A) [L3961] return __VERIFIER_nondet_ushort(); [L1470] RET, EXPR inw(0x21A) [L1470] return inw(0x21A); [L1780] RET, EXPR zf_readw(0x02) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_readw(0x02)=-32768, zf_timer={31:0}] [L1780] ret = zf_readw(0x02) [L1781] COND FALSE !((!ret) || (ret == 0xffff)) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1786] COND TRUE (action <= 3) && (action >= 0) [L1787] zf_action = zf_action>>action VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1791] CALL zf_show_action(action) [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, str={126:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1771] EXPR str[act] VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, str={126:0}, str[act]={15:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1771] CALL printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={19:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4480] return 0; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={19:0}, fmt={19:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1771] RET printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act])=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, str={126:0}, str[act]={15:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1791] RET zf_show_action(action) [L1793] CALL spin_lock_init(&zf_lock) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={29:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4153] lock->init = 1 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={29:0}, lock={29:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4154] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={29:0}, lock={29:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1793] RET spin_lock_init(&zf_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1794] CALL spin_lock_init(&zf_port_lock) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={30:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4153] lock->init = 1 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={30:0}, lock={30:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4154] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={30:0}, lock={30:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1794] RET spin_lock_init(&zf_port_lock) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1796] CALL, EXPR misc_register(&zf_miscdev) [L3492] int i; [L3493] dev_t dev; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3495] COND TRUE fixed_cdev_used < 1 [L3496] i = fixed_cdev_used [L3497] fixed_cdev_used++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3499] fixed_cdev[i].owner = ((struct module *) 0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3500] EXPR misc->fops VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, misc->fops={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3500] fixed_cdev[i].ops = misc->fops VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, misc->fops={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3502] EXPR misc->minor VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, misc->minor=130, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3502] dev = (((10) << 20) | (misc->minor)) [L3504] CALL, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3847] p->dev = dev VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3848] p->count = count VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3850] int return_value = __VERIFIER_nondet_int(); [L3851] CALL assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L10] COND FALSE !(!cond) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, cond=1, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3851] RET assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3853] COND TRUE return_value == 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3854] COND TRUE number_cdev_registered < 1 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3856] cdev_registered[number_cdev_registered].cdevp = p VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3857] cdev_registered[number_cdev_registered].inode.i_rdev = dev VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3858] cdev_registered[number_cdev_registered].inode.i_cdev = p VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3859] cdev_registered[number_cdev_registered].open = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3861] number_cdev_registered++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3867] return return_value; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, \result=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3504] RET, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_add(&fixed_cdev[i], dev, 0)=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3504] return cdev_add(&fixed_cdev[i], dev, 0); [L1796] RET, EXPR misc_register(&zf_miscdev) [L1796] ret = misc_register(&zf_miscdev) [L1797] COND FALSE !(\read(ret)) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1803] CALL, EXPR request_region(0x218, 3, "MachZ ZFL WDT") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(ddv_ioport_request_len)=0, \old(ddv_ioport_request_start)=0, \old(len)=3, \old(start)=536, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, name={23:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3926] unsigned int i; [L3927] struct resource *resource = (struct resource*)malloc(sizeof(struct resource)); [L3932] ddv_ioport_request_start = start [L3933] ddv_ioport_request_len = len [L3935] return resource; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(ddv_ioport_request_len)=0, \old(ddv_ioport_request_start)=0, \old(len)=3, \old(start)=536, \result={63:0}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, len=3, name={23:0}, name={23:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, resource={63:0}, shared_workqueue={43:0}, start=536, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1803] RET, EXPR request_region(0x218, 3, "MachZ ZFL WDT") VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, request_region(0x218, 3, "MachZ ZFL WDT")={63:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1803] COND FALSE !(!request_region(0x218, 3, "MachZ ZFL WDT")) [L1810] CALL, EXPR register_reboot_notifier(&zf_notifier) [L4521] int i; [L4521] return i; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=-2147483648, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, dummy={34:0}, dummy={34:0}, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=-2147483648, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1810] RET, EXPR register_reboot_notifier(&zf_notifier) [L1810] ret = register_reboot_notifier(&zf_notifier) [L1811] COND TRUE \read(ret) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=-2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1812-L1813] CALL printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={25:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4480] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={25:0}, fmt={25:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1812-L1813] RET printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<3>" "can't register reboot notifier (err=%d)\n", ret)=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=-2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1828] CALL release_region(0x218, 3) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3940] unsigned int i = 0; [L3946] ddv_ioport_request_start = 0 [L3947] ddv_ioport_request_len = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, len=3, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, start=536, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1828] RET release_region(0x218, 3) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=-2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1830] CALL misc_deregister(&zf_miscdev) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4522] int i; [L4522] return i; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=49, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=49, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1830] RET misc_deregister(&zf_miscdev) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, misc_deregister(&zf_miscdev)=49, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=-2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1832] return ret; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \result=-2147483648, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, ret=-2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2730] RET, EXPR (* _ddv_module_init)() [L2730] err = (* _ddv_module_init)() [L2732] COND TRUE \read(err) [L2733] return -1; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=-1, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, err=-2147483648, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1852] RET call_ddv() [L1854] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 668 locations, 205 error locations. Started 1 CEGAR loops. OverallTime: 399.6s, OverallIterations: 34, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 261.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 mSolverCounterUnknown, 23414 SdHoareTripleChecker+Valid, 254.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23246 mSDsluCounter, 99023 SdHoareTripleChecker+Invalid, 238.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1987 IncrementalHoareTripleChecker+Unchecked, 74034 mSDsCounter, 1224 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33842 IncrementalHoareTripleChecker+Invalid, 37110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1224 mSolverCounterUnsat, 24989 mSDtfsCounter, 33842 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3628 GetRequests, 3362 SyntacticMatches, 12 SemanticMatches, 254 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 29.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1696occurred in iteration=17, InterpolantAutomatonStates: 213, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 33 MinimizatonAttempts, 4034 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.2s SsaConstructionTime, 42.3s SatisfiabilityAnalysisTime, 60.7s InterpolantComputationTime, 3121 NumberOfCodeBlocks, 3073 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 3251 ConstructedInterpolants, 88 QuantifiedInterpolants, 38309 SizeOfPredicates, 90 NumberOfNonLiveVariables, 32833 ConjunctsInSsa, 325 ConjunctsInUnsatCore, 48 InterpolantComputations, 22 PerfectInterpolantSequences, 5172/5790 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 10:45:52,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a1f5433-4e14-4421-8e94-f822a50fe32e/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample