./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:52:55,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:52:55,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:52:55,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:52:55,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:52:55,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:52:55,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:52:55,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:52:55,638 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:52:55,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:52:55,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:52:55,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:52:55,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:52:55,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:52:55,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:52:55,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:52:55,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:52:55,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:52:55,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:52:55,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:52:55,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:52:55,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:52:55,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:52:55,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:52:55,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:52:55,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:52:55,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:52:55,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:52:55,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:52:55,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:52:55,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:52:55,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:52:55,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:52:55,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:52:55,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:52:55,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:52:55,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:52:55,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:52:55,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:52:55,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:52:55,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:52:55,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:52:55,734 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:52:55,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:52:55,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:52:55,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:52:55,735 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:52:55,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:52:55,735 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:52:55,736 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:52:55,736 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:52:55,736 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:52:55,736 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:52:55,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:52:55,736 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:52:55,737 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:52:55,737 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:52:55,737 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:52:55,737 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:52:55,737 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:52:55,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:52:55,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:52:55,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:52:55,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:52:55,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:52:55,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:52:55,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:52:55,742 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:52:55,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:52:55,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:52:55,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:52:55,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:52:55,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:52:55,744 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:52:55,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:52:55,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:52:55,744 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:52:55,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:52:55,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:52:55,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:52:55,746 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_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34bfb407ab3285beb6e4618a31251a3cfac86b629af8c3915889881b8af28c9e [2022-11-03 01:52:56,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:52:56,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:52:56,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:52:56,100 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:52:56,101 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:52:56,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-11-03 01:52:56,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/data/932147dcb/bc0710c3f6f94b02b448b551c2da62c2/FLAG954591335 [2022-11-03 01:52:57,087 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:52:57,089 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-11-03 01:52:57,149 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/data/932147dcb/bc0710c3f6f94b02b448b551c2da62c2/FLAG954591335 [2022-11-03 01:52:57,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/data/932147dcb/bc0710c3f6f94b02b448b551c2da62c2 [2022-11-03 01:52:57,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:52:57,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:52:57,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:52:57,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:52:57,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:52:57,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:57" (1/1) ... [2022-11-03 01:52:57,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa72bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:52:57, skipping insertion in model container [2022-11-03 01:52:57,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:52:57" (1/1) ... [2022-11-03 01:52:57,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:52:57,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:53:00,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2022-11-03 01:53:00,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:53:00,224 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:53:00,739 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i[342209,342222] [2022-11-03 01:53:00,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:53:00,852 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:53:00,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00 WrapperNode [2022-11-03 01:53:00,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:53:00,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:53:00,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:53:00,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:53:00,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:00,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,240 INFO L138 Inliner]: procedures = 334, calls = 3836, calls flagged for inlining = 113, calls inlined = 106, statements flattened = 6839 [2022-11-03 01:53:01,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:53:01,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:53:01,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:53:01,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:53:01,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,685 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:53:01,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:53:01,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:53:01,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:53:01,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (1/1) ... [2022-11-03 01:53:01,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:53:01,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:53:01,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:53:01,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03f3f7c1-4bdb-4dc1-9744-f0b9f9c67d9f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:53:01,849 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_msg_structures_uv [2022-11-03 01:53:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_msg_structures_uv [2022-11-03 01:53:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:53:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:53:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_init_uv [2022-11-03 01:53:01,850 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_init_uv [2022-11-03 01:53:01,850 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-03 01:53:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_allow_hb_uv [2022-11-03 01:53:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_allow_hb_uv [2022-11-03 01:53:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions_uv [2022-11-03 01:53:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions_uv [2022-11-03 01:53:01,851 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_waitmsgs [2022-11-03 01:53:01,851 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_waitmsgs [2022-11-03 01:53:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_opencomplete_uv [2022-11-03 01:53:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_opencomplete_uv [2022-11-03 01:53:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:53:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-03 01:53:01,852 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-03 01:53:01,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:53:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:53:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:53:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:53:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:53:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_msg_structures_uv [2022-11-03 01:53:01,853 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_msg_structures_uv [2022-11-03 01:53:01,853 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_rsvd_page [2022-11-03 01:53:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_rsvd_page [2022-11-03 01:53:01,854 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_disengaged [2022-11-03 01:53:01,854 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_disengaged [2022-11-03 01:53:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_wakeup_channel_mgr [2022-11-03 01:53:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_wakeup_channel_mgr [2022-11-03 01:53:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-03 01:53:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-03 01:53:01,855 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 01:53:01,855 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 01:53:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 01:53:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 01:53:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-03 01:53:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-03 01:53:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:53:01,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:53:01,856 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kmalloc_cacheline_aligned [2022-11-03 01:53:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kmalloc_cacheline_aligned [2022-11-03 01:53:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_partitions_uv [2022-11-03 01:53:01,857 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_partitions_uv [2022-11-03 01:53:01,857 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_offline_heartbeat_uv [2022-11-03 01:53:01,858 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_offline_heartbeat_uv [2022-11-03 01:53:01,858 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_release_gru_mq_irq_uv [2022-11-03 01:53:01,859 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_release_gru_mq_irq_uv [2022-11-03 01:53:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2022-11-03 01:53:01,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2022-11-03 01:53:01,860 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-03 01:53:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_sender_uv [2022-11-03 01:53:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_sender_uv [2022-11-03 01:53:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_die_deactivate [2022-11-03 01:53:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_die_deactivate [2022-11-03 01:53:01,861 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_connect [2022-11-03 01:53:01,861 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_connect [2022-11-03 01:53:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:53:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:53:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-03 01:53:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-03 01:53:01,862 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_die_notifier [2022-11-03 01:53:01,862 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_die_notifier [2022-11-03 01:53:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_check_remote_hb [2022-11-03 01:53:01,863 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_check_remote_hb [2022-11-03 01:53:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 01:53:01,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 01:53:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:53:01,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:53:01,863 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_fifo_uv [2022-11-03 01:53:01,864 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_fifo_uv [2022-11-03 01:53:01,864 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_ref [2022-11-03 01:53:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_ref [2022-11-03 01:53:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_received_payload_uv [2022-11-03 01:53:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_received_payload_uv [2022-11-03 01:53:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:53:01,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:53:01,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:53:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:53:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_kthread_start [2022-11-03 01:53:01,866 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_kthread_start [2022-11-03 01:53:01,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:53:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:53:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_ref [2022-11-03 01:53:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_ref [2022-11-03 01:53:01,867 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_kthreads [2022-11-03 01:53:01,867 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_kthreads [2022-11-03 01:53:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-03 01:53:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-03 01:53:01,869 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_local_activate_IRQ_uv [2022-11-03 01:53:01,869 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_local_activate_IRQ_uv [2022-11-03 01:53:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_exit_uv [2022-11-03 01:53:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_exit_uv [2022-11-03 01:53:01,870 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:53:01,870 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:53:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_put_fifo_entry_uv [2022-11-03 01:53:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_put_fifo_entry_uv [2022-11-03 01:53:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure uv_blade_to_pnode [2022-11-03 01:53:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_blade_to_pnode [2022-11-03 01:53:01,871 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_activate_IRQ_rcvd_uv [2022-11-03 01:53:01,871 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_activate_IRQ_rcvd_uv [2022-11-03 01:53:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_uv [2022-11-03 01:53:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_uv [2022-11-03 01:53:01,872 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_payload_uv [2022-11-03 01:53:01,872 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_payload_uv [2022-11-03 01:53:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_free_msg_slot_uv [2022-11-03 01:53:01,873 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_free_msg_slot_uv [2022-11-03 01:53:01,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:53:01,874 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:53:01,874 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:53:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_engaged_uv [2022-11-03 01:53:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_engaged_uv [2022-11-03 01:53:01,877 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_openclose_chctl_flags [2022-11-03 01:53:01,877 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_openclose_chctl_flags [2022-11-03 01:53:01,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:53:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_msg_chctl_flags_uv [2022-11-03 01:53:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_msg_chctl_flags_uv [2022-11-03 01:53:01,879 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-03 01:53:01,879 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-03 01:53:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-03 01:53:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_msgqueue_deref [2022-11-03 01:53:01,886 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_msgqueue_deref [2022-11-03 01:53:01,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 01:53:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 01:53:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:53:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:53:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closereply_uv [2022-11-03 01:53:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closereply_uv [2022-11-03 01:53:01,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:53:01,887 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:53:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_connect_channel [2022-11-03 01:53:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_connect_channel [2022-11-03 01:53:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cache_remote_gru_mq_desc_uv [2022-11-03 01:53:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cache_remote_gru_mq_desc_uv [2022-11-03 01:53:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_ch_structures_uv [2022-11-03 01:53:01,888 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_ch_structures_uv [2022-11-03 01:53:01,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2022-11-03 01:53:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2022-11-03 01:53:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:53:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_activation_uv [2022-11-03 01:53:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_activation_uv [2022-11-03 01:53:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activating [2022-11-03 01:53:01,889 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activating [2022-11-03 01:53:01,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:53:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_callout [2022-11-03 01:53:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_callout [2022-11-03 01:53:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_deactivate_partition [2022-11-03 01:53:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_deactivate_partition [2022-11-03 01:53:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_indicate_partition_disengaged_uv [2022-11-03 01:53:01,890 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_indicate_partition_disengaged_uv [2022-11-03 01:53:01,890 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disconnect_channel [2022-11-03 01:53:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disconnect_channel [2022-11-03 01:53:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-03 01:53:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-03 01:53:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~int [2022-11-03 01:53:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~int [2022-11-03 01:53:01,891 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:53:01,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:53:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_channel_mgr [2022-11-03 01:53:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_channel_mgr [2022-11-03 01:53:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_save_remote_msgqueue_pa_uv [2022-11-03 01:53:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_save_remote_msgqueue_pa_uv [2022-11-03 01:53:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openrequest_uv [2022-11-03 01:53:01,892 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openrequest_uv [2022-11-03 01:53:01,892 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_heartbeat_exit_uv [2022-11-03 01:53:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_heartbeat_exit_uv [2022-11-03 01:53:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 01:53:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 01:53:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures [2022-11-03 01:53:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures [2022-11-03 01:53:01,893 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:53:01,893 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:53:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-03 01:53:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-03 01:53:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_any_partition_engaged_uv [2022-11-03 01:53:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_any_partition_engaged_uv [2022-11-03 01:53:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 01:53:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 01:53:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2022-11-03 01:53:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2022-11-03 01:53:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:53:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_rsvd_page_pa [2022-11-03 01:53:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_rsvd_page_pa [2022-11-03 01:53:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_partition [2022-11-03 01:53:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_partition [2022-11-03 01:53:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_part_uv [2022-11-03 01:53:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_part_uv [2022-11-03 01:53:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure uv_cpu_to_blade_id [2022-11-03 01:53:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_cpu_to_blade_id [2022-11-03 01:53:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_initiate_discovery [2022-11-03 01:53:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_initiate_discovery [2022-11-03 01:53:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:53:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:53:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_reactivation_uv [2022-11-03 01:53:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_reactivation_uv [2022-11-03 01:53:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:53:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_activate_kthreads [2022-11-03 01:53:01,897 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_activate_kthreads [2022-11-03 01:53:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:53:01,897 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_engaged_uv [2022-11-03 01:53:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_engaged_uv [2022-11-03 01:53:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 01:53:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 01:53:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_gru_msg [2022-11-03 01:53:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_gru_msg [2022-11-03 01:53:01,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:53:01,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:53:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_create_gru_mq_uv [2022-11-03 01:53:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_create_gru_mq_uv [2022-11-03 01:53:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2022-11-03 01:53:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2022-11-03 01:53:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_part_deref [2022-11-03 01:53:01,899 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_part_deref [2022-11-03 01:53:01,899 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_closerequest_uv [2022-11-03 01:53:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_closerequest_uv [2022-11-03 01:53:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_all_hbs_uv [2022-11-03 01:53:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_all_hbs_uv [2022-11-03 01:53:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_timeout_partition_disengage [2022-11-03 01:53:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_timeout_partition_disengage [2022-11-03 01:53:01,900 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_of_node [2022-11-03 01:53:01,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_of_node [2022-11-03 01:53:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_init_mq_node [2022-11-03 01:53:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_init_mq_node [2022-11-03 01:53:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_destroy_gru_mq_uv [2022-11-03 01:53:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_destroy_gru_mq_uv [2022-11-03 01:53:01,901 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_discovery [2022-11-03 01:53:01,901 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_discovery [2022-11-03 01:53:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_partition_rsvd_page_pa_uv [2022-11-03 01:53:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_partition_rsvd_page_pa_uv [2022-11-03 01:53:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-03 01:53:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-03 01:53:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:53:01,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:53:01,902 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_activate_IRQ_ch_uv [2022-11-03 01:53:01,903 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_activate_IRQ_ch_uv [2022-11-03 01:53:01,903 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_increment_heartbeat_uv [2022-11-03 01:53:01,904 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_increment_heartbeat_uv [2022-11-03 01:53:01,907 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-11-03 01:53:01,907 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-11-03 01:53:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:53:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_sent_chctl_flags [2022-11-03 01:53:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_sent_chctl_flags [2022-11-03 01:53:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_heartbeat_uv [2022-11-03 01:53:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_heartbeat_uv [2022-11-03 01:53:01,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:53:01,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:53:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_teardown_partitions [2022-11-03 01:53:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_teardown_partitions [2022-11-03 01:53:01,910 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_process_disconnect [2022-11-03 01:53:01,910 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_process_disconnect [2022-11-03 01:53:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_do_exit [2022-11-03 01:53:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_do_exit [2022-11-03 01:53:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 01:53:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 01:53:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_online_heartbeat_uv [2022-11-03 01:53:01,911 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_online_heartbeat_uv [2022-11-03 01:53:01,911 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_fifo_entry_uv [2022-11-03 01:53:01,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_fifo_entry_uv [2022-11-03 01:53:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_disallow_hb_uv [2022-11-03 01:53:01,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_disallow_hb_uv [2022-11-03 01:53:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:53:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_send_chctl_openreply_uv [2022-11-03 01:53:01,912 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_send_chctl_openreply_uv [2022-11-03 01:53:01,912 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-03 01:53:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-03 01:53:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_checker [2022-11-03 01:53:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_checker [2022-11-03 01:53:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2022-11-03 01:53:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2022-11-03 01:53:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 01:53:01,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 01:53:01,913 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 01:53:01,914 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 01:53:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_ch_structures_uv [2022-11-03 01:53:01,914 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_ch_structures_uv [2022-11-03 01:53:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_setup_rsvd_page_uv [2022-11-03 01:53:01,914 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_setup_rsvd_page_uv [2022-11-03 01:53:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:53:01,914 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-03 01:53:01,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-03 01:53:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 01:53:01,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 01:53:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_request_partition_deactivation_uv [2022-11-03 01:53:01,915 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_request_partition_deactivation_uv [2022-11-03 01:53:01,915 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_chctl_all_flags_uv [2022-11-03 01:53:01,915 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_chctl_all_flags_uv [2022-11-03 01:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_gru_mq_watchlist_free_uv [2022-11-03 01:53:01,916 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_gru_mq_watchlist_free_uv [2022-11-03 01:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_partition_going_down [2022-11-03 01:53:01,916 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_partition_going_down [2022-11-03 01:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-03 01:53:01,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-03 01:53:01,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-03 01:53:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-03 01:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:53:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:53:01,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:53:01,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:53:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 01:53:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 01:53:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-03 01:53:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-03 01:53:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sysctl_table [2022-11-03 01:53:01,918 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sysctl_table [2022-11-03 01:53:01,918 INFO L130 BoogieDeclarations]: Found specification of procedure uv_gpa [2022-11-03 01:53:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure uv_gpa [2022-11-03 01:53:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-03 01:53:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-03 01:53:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 01:53:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 01:53:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_deliverable_payload_uv [2022-11-03 01:53:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_deliverable_payload_uv [2022-11-03 01:53:01,919 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_notify_senders_of_disconnect_uv [2022-11-03 01:53:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_notify_senders_of_disconnect_uv [2022-11-03 01:53:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-03 01:53:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-03 01:53:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_make_first_contact_uv [2022-11-03 01:53:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_make_first_contact_uv [2022-11-03 01:53:01,920 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_n_of_deliverable_payloads_uv [2022-11-03 01:53:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_n_of_deliverable_payloads_uv [2022-11-03 01:53:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_get_remote_rp [2022-11-03 01:53:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_get_remote_rp [2022-11-03 01:53:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_hb_beater [2022-11-03 01:53:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_hb_beater [2022-11-03 01:53:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure is_uv_system [2022-11-03 01:53:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure is_uv_system [2022-11-03 01:53:01,921 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:53:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:53:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-03 01:53:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-03 01:53:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-03 01:53:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-03 01:53:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:53:01,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 01:53:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 01:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-03 01:53:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-03 01:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:53:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:53:01,923 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_assume_partition_disengaged_uv [2022-11-03 01:53:01,923 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_assume_partition_disengaged_uv [2022-11-03 01:53:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 01:53:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 01:53:01,924 INFO L130 BoogieDeclarations]: Found specification of procedure xpc_cancel_partition_deactivation_request_uv [2022-11-03 01:53:01,924 INFO L138 BoogieDeclarations]: Found implementation of procedure xpc_cancel_partition_deactivation_request_uv [2022-11-03 01:53:02,873 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:53:02,876 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:53:03,523 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:53:24,362 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:53:26,581 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:53:26,582 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:53:26,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:26 BoogieIcfgContainer [2022-11-03 01:53:26,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:53:26,589 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:53:26,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:53:26,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:53:26,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:52:57" (1/3) ... [2022-11-03 01:53:26,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327e5318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:26, skipping insertion in model container [2022-11-03 01:53:26,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:53:00" (2/3) ... [2022-11-03 01:53:26,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@327e5318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:53:26, skipping insertion in model container [2022-11-03 01:53:26,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:53:26" (3/3) ... [2022-11-03 01:53:26,597 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--misc--sgi-xp--xpc.ko-entry_point.cil.out.i [2022-11-03 01:53:26,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:53:26,616 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:53:26,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:53:26,726 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=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4560cf5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:53:26,726 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:53:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 2297 states, 1388 states have (on average 1.361671469740634) internal successors, (1890), 1497 states have internal predecessors, (1890), 744 states have call successors, (744), 164 states have call predecessors, (744), 163 states have return successors, (739), 703 states have call predecessors, (739), 739 states have call successors, (739) [2022-11-03 01:53:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-03 01:53:26,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:26,755 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 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] [2022-11-03 01:53:26,755 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:26,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:26,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1641072697, now seen corresponding path program 1 times [2022-11-03 01:53:26,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:26,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591120183] [2022-11-03 01:53:26,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:26,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-03 01:53:27,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:27,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591120183] [2022-11-03 01:53:27,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591120183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:27,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:27,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:27,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924688152] [2022-11-03 01:53:27,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:27,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:27,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:27,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:27,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:27,900 INFO L87 Difference]: Start difference. First operand has 2297 states, 1388 states have (on average 1.361671469740634) internal successors, (1890), 1497 states have internal predecessors, (1890), 744 states have call successors, (744), 164 states have call predecessors, (744), 163 states have return successors, (739), 703 states have call predecessors, (739), 739 states have call successors, (739) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 01:53:30,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:31,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:31,967 INFO L93 Difference]: Finished difference Result 4986 states and 7628 transitions. [2022-11-03 01:53:31,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:31,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 86 [2022-11-03 01:53:31,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:32,009 INFO L225 Difference]: With dead ends: 4986 [2022-11-03 01:53:32,009 INFO L226 Difference]: Without dead ends: 2677 [2022-11-03 01:53:32,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:32,036 INFO L413 NwaCegarLoop]: 3326 mSDtfsCounter, 442 mSDsluCounter, 3379 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 6410 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:32,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 6410 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 613 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-11-03 01:53:32,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2677 states. [2022-11-03 01:53:32,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2677 to 2280. [2022-11-03 01:53:32,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2280 states, 1378 states have (on average 1.353410740203193) internal successors, (1865), 1481 states have internal predecessors, (1865), 739 states have call successors, (739), 163 states have call predecessors, (739), 162 states have return successors, (737), 701 states have call predecessors, (737), 737 states have call successors, (737) [2022-11-03 01:53:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 2280 states and 3341 transitions. [2022-11-03 01:53:32,278 INFO L78 Accepts]: Start accepts. Automaton has 2280 states and 3341 transitions. Word has length 86 [2022-11-03 01:53:32,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:32,279 INFO L495 AbstractCegarLoop]: Abstraction has 2280 states and 3341 transitions. [2022-11-03 01:53:32,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-03 01:53:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 3341 transitions. [2022-11-03 01:53:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 01:53:32,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:32,292 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 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, 1, 1] [2022-11-03 01:53:32,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:53:32,293 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:32,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:32,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1622352933, now seen corresponding path program 1 times [2022-11-03 01:53:32,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:32,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811178655] [2022-11-03 01:53:32,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:32,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-03 01:53:33,055 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:33,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811178655] [2022-11-03 01:53:33,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811178655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:33,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:33,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:53:33,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409114904] [2022-11-03 01:53:33,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:33,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:53:33,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:33,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:53:33,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:33,064 INFO L87 Difference]: Start difference. First operand 2280 states and 3341 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 01:53:35,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:37,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:37,413 INFO L93 Difference]: Finished difference Result 3982 states and 5980 transitions. [2022-11-03 01:53:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:53:37,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 89 [2022-11-03 01:53:37,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:37,444 INFO L225 Difference]: With dead ends: 3982 [2022-11-03 01:53:37,444 INFO L226 Difference]: Without dead ends: 3979 [2022-11-03 01:53:37,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:53:37,449 INFO L413 NwaCegarLoop]: 3897 mSDtfsCounter, 3286 mSDsluCounter, 2653 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3286 SdHoareTripleChecker+Valid, 6312 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:37,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3286 Valid, 6312 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 562 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2022-11-03 01:53:37,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3979 states. [2022-11-03 01:53:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3979 to 3900. [2022-11-03 01:53:37,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3900 states, 2395 states have (on average 1.3657620041753653) internal successors, (3271), 2565 states have internal predecessors, (3271), 1207 states have call successors, (1207), 299 states have call predecessors, (1207), 297 states have return successors, (1362), 1136 states have call predecessors, (1362), 1204 states have call successors, (1362) [2022-11-03 01:53:37,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3900 states and 5840 transitions. [2022-11-03 01:53:37,763 INFO L78 Accepts]: Start accepts. Automaton has 3900 states and 5840 transitions. Word has length 89 [2022-11-03 01:53:37,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:37,764 INFO L495 AbstractCegarLoop]: Abstraction has 3900 states and 5840 transitions. [2022-11-03 01:53:37,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 01:53:37,764 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 5840 transitions. [2022-11-03 01:53:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-03 01:53:37,770 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:37,770 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:37,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:53:37,771 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:37,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:37,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1642519334, now seen corresponding path program 1 times [2022-11-03 01:53:37,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:37,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757731035] [2022-11-03 01:53:37,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:37,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 01:53:38,616 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:38,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757731035] [2022-11-03 01:53:38,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757731035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:38,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:38,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:53:38,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996004848] [2022-11-03 01:53:38,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:38,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:53:38,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:38,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:53:38,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:53:38,619 INFO L87 Difference]: Start difference. First operand 3900 states and 5840 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 01:53:40,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:44,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:53:44,837 INFO L93 Difference]: Finished difference Result 7800 states and 11670 transitions. [2022-11-03 01:53:44,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 01:53:44,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 133 [2022-11-03 01:53:44,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:53:44,870 INFO L225 Difference]: With dead ends: 7800 [2022-11-03 01:53:44,870 INFO L226 Difference]: Without dead ends: 3913 [2022-11-03 01:53:44,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:53:44,897 INFO L413 NwaCegarLoop]: 3047 mSDtfsCounter, 5182 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 1466 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5182 SdHoareTripleChecker+Valid, 3056 SdHoareTripleChecker+Invalid, 1794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1466 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:53:44,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5182 Valid, 3056 Invalid, 1794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1466 Valid, 327 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-03 01:53:44,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2022-11-03 01:53:45,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3913. [2022-11-03 01:53:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3913 states, 2402 states have (on average 1.3634471273938384) internal successors, (3275), 2572 states have internal predecessors, (3275), 1208 states have call successors, (1208), 304 states have call predecessors, (1208), 302 states have return successors, (1362), 1137 states have call predecessors, (1362), 1205 states have call successors, (1362) [2022-11-03 01:53:45,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 5845 transitions. [2022-11-03 01:53:45,145 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 5845 transitions. Word has length 133 [2022-11-03 01:53:45,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:53:45,146 INFO L495 AbstractCegarLoop]: Abstraction has 3913 states and 5845 transitions. [2022-11-03 01:53:45,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 01:53:45,147 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 5845 transitions. [2022-11-03 01:53:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-03 01:53:45,158 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:53:45,158 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:53:45,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:53:45,159 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:53:45,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:53:45,160 INFO L85 PathProgramCache]: Analyzing trace with hash -520486563, now seen corresponding path program 1 times [2022-11-03 01:53:45,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:53:45,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111792629] [2022-11-03 01:53:45,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:53:45,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:53:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:53:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-11-03 01:53:45,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:53:45,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111792629] [2022-11-03 01:53:45,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111792629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:53:45,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:53:45,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:53:45,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955188767] [2022-11-03 01:53:45,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:53:45,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:53:45,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:53:45,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:53:45,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:53:45,893 INFO L87 Difference]: Start difference. First operand 3913 states and 5845 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 01:53:47,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:53,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:55,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:53:57,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:01,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:06,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:06,088 INFO L93 Difference]: Finished difference Result 15298 states and 23083 transitions. [2022-11-03 01:54:06,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:54:06,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 130 [2022-11-03 01:54:06,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:06,187 INFO L225 Difference]: With dead ends: 15298 [2022-11-03 01:54:06,187 INFO L226 Difference]: Without dead ends: 11415 [2022-11-03 01:54:06,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:54:06,220 INFO L413 NwaCegarLoop]: 5662 mSDtfsCounter, 6468 mSDsluCounter, 11823 mSDsCounter, 0 mSdLazyCounter, 4690 mSolverCounterSat, 11 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6468 SdHoareTripleChecker+Valid, 16181 SdHoareTripleChecker+Invalid, 4706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 4690 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:06,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6468 Valid, 16181 Invalid, 4706 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 4690 Invalid, 5 Unknown, 0 Unchecked, 19.3s Time] [2022-11-03 01:54:06,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11415 states. [2022-11-03 01:54:06,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11415 to 11389. [2022-11-03 01:54:06,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11389 states, 7006 states have (on average 1.366400228375678) internal successors, (9573), 7514 states have internal predecessors, (9573), 3512 states have call successors, (3512), 878 states have call predecessors, (3512), 870 states have return successors, (4150), 3289 states have call predecessors, (4150), 3505 states have call successors, (4150) [2022-11-03 01:54:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11389 states to 11389 states and 17235 transitions. [2022-11-03 01:54:07,045 INFO L78 Accepts]: Start accepts. Automaton has 11389 states and 17235 transitions. Word has length 130 [2022-11-03 01:54:07,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:07,047 INFO L495 AbstractCegarLoop]: Abstraction has 11389 states and 17235 transitions. [2022-11-03 01:54:07,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-03 01:54:07,048 INFO L276 IsEmpty]: Start isEmpty. Operand 11389 states and 17235 transitions. [2022-11-03 01:54:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-03 01:54:07,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:07,058 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:07,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:54:07,058 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:07,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:07,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1041557850, now seen corresponding path program 1 times [2022-11-03 01:54:07,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:07,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530050261] [2022-11-03 01:54:07,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:07,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:07,553 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:54:07,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:07,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530050261] [2022-11-03 01:54:07,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530050261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:07,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:07,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:07,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327942654] [2022-11-03 01:54:07,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:07,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:07,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:07,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:07,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:07,557 INFO L87 Difference]: Start difference. First operand 11389 states and 17235 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 01:54:09,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:12,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:14,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:14,703 INFO L93 Difference]: Finished difference Result 34027 states and 51501 transitions. [2022-11-03 01:54:14,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:14,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 165 [2022-11-03 01:54:14,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:14,842 INFO L225 Difference]: With dead ends: 34027 [2022-11-03 01:54:14,842 INFO L226 Difference]: Without dead ends: 22668 [2022-11-03 01:54:14,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:14,907 INFO L413 NwaCegarLoop]: 4175 mSDtfsCounter, 3285 mSDsluCounter, 3326 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3285 SdHoareTripleChecker+Valid, 7208 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:14,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 7208 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 636 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-11-03 01:54:14,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22668 states. [2022-11-03 01:54:16,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22668 to 22665. [2022-11-03 01:54:16,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22665 states, 13943 states have (on average 1.3668507494800257) internal successors, (19058), 14959 states have internal predecessors, (19058), 6986 states have call successors, (6986), 1750 states have call predecessors, (6986), 1735 states have return successors, (8249), 6541 states have call predecessors, (8249), 6973 states have call successors, (8249) [2022-11-03 01:54:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22665 states to 22665 states and 34293 transitions. [2022-11-03 01:54:16,412 INFO L78 Accepts]: Start accepts. Automaton has 22665 states and 34293 transitions. Word has length 165 [2022-11-03 01:54:16,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:16,413 INFO L495 AbstractCegarLoop]: Abstraction has 22665 states and 34293 transitions. [2022-11-03 01:54:16,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 01:54:16,414 INFO L276 IsEmpty]: Start isEmpty. Operand 22665 states and 34293 transitions. [2022-11-03 01:54:16,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-03 01:54:16,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:16,424 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:16,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:54:16,424 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:16,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:16,425 INFO L85 PathProgramCache]: Analyzing trace with hash 483199911, now seen corresponding path program 1 times [2022-11-03 01:54:16,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:16,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939790189] [2022-11-03 01:54:16,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:16,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:54:17,438 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:17,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939790189] [2022-11-03 01:54:17,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939790189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:17,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:17,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:17,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742874267] [2022-11-03 01:54:17,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:17,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:17,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:17,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:17,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:17,440 INFO L87 Difference]: Start difference. First operand 22665 states and 34293 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 01:54:19,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:22,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:25,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:25,193 INFO L93 Difference]: Finished difference Result 65605 states and 99204 transitions. [2022-11-03 01:54:25,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:25,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 162 [2022-11-03 01:54:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:25,600 INFO L225 Difference]: With dead ends: 65605 [2022-11-03 01:54:25,600 INFO L226 Difference]: Without dead ends: 42946 [2022-11-03 01:54:25,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:25,708 INFO L413 NwaCegarLoop]: 3804 mSDtfsCounter, 3292 mSDsluCounter, 3082 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3292 SdHoareTripleChecker+Valid, 6621 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:25,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3292 Valid, 6621 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 597 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-11-03 01:54:25,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42946 states. [2022-11-03 01:54:28,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42946 to 42943. [2022-11-03 01:54:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42943 states, 26477 states have (on average 1.3696415757072176) internal successors, (36264), 28419 states have internal predecessors, (36264), 13124 states have call successors, (13124), 3382 states have call predecessors, (13124), 3341 states have return successors, (15472), 12243 states have call predecessors, (15472), 13099 states have call successors, (15472) [2022-11-03 01:54:29,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42943 states to 42943 states and 64860 transitions. [2022-11-03 01:54:29,497 INFO L78 Accepts]: Start accepts. Automaton has 42943 states and 64860 transitions. Word has length 162 [2022-11-03 01:54:29,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:29,499 INFO L495 AbstractCegarLoop]: Abstraction has 42943 states and 64860 transitions. [2022-11-03 01:54:29,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-03 01:54:29,500 INFO L276 IsEmpty]: Start isEmpty. Operand 42943 states and 64860 transitions. [2022-11-03 01:54:29,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-03 01:54:29,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:29,535 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:29,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:54:29,536 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:29,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:29,536 INFO L85 PathProgramCache]: Analyzing trace with hash -711955959, now seen corresponding path program 1 times [2022-11-03 01:54:29,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:29,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513537308] [2022-11-03 01:54:29,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:29,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:30,020 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-03 01:54:30,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:30,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513537308] [2022-11-03 01:54:30,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513537308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:30,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:30,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:54:30,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131274597] [2022-11-03 01:54:30,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:30,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:54:30,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:30,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:54:30,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:30,025 INFO L87 Difference]: Start difference. First operand 42943 states and 64860 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 01:54:32,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:54:38,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:54:38,100 INFO L93 Difference]: Finished difference Result 127831 states and 192972 transitions. [2022-11-03 01:54:38,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:54:38,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 201 [2022-11-03 01:54:38,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:54:38,948 INFO L225 Difference]: With dead ends: 127831 [2022-11-03 01:54:38,948 INFO L226 Difference]: Without dead ends: 84918 [2022-11-03 01:54:39,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:54:39,215 INFO L413 NwaCegarLoop]: 3766 mSDtfsCounter, 3251 mSDsluCounter, 3327 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3251 SdHoareTripleChecker+Valid, 6799 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:54:39,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3251 Valid, 6799 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 601 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-03 01:54:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84918 states. [2022-11-03 01:54:44,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84918 to 84909. [2022-11-03 01:54:44,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84909 states, 52233 states have (on average 1.367832596251412) internal successors, (71446), 56051 states have internal predecessors, (71446), 26022 states have call successors, (26022), 6734 states have call predecessors, (26022), 6653 states have return successors, (30647), 24255 states have call predecessors, (30647), 25973 states have call successors, (30647) [2022-11-03 01:54:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84909 states to 84909 states and 128115 transitions. [2022-11-03 01:54:44,698 INFO L78 Accepts]: Start accepts. Automaton has 84909 states and 128115 transitions. Word has length 201 [2022-11-03 01:54:44,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:54:44,698 INFO L495 AbstractCegarLoop]: Abstraction has 84909 states and 128115 transitions. [2022-11-03 01:54:44,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (39), 2 states have call predecessors, (39), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 01:54:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 84909 states and 128115 transitions. [2022-11-03 01:54:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-03 01:54:44,742 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:54:44,742 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:54:44,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 01:54:44,743 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:54:44,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:54:44,743 INFO L85 PathProgramCache]: Analyzing trace with hash 240889402, now seen corresponding path program 1 times [2022-11-03 01:54:44,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:54:44,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546072392] [2022-11-03 01:54:44,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:54:44,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:54:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:54:57,259 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-03 01:54:57,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:54:57,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546072392] [2022-11-03 01:54:57,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546072392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:54:57,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:54:57,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-03 01:54:57,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551898482] [2022-11-03 01:54:57,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:54:57,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 01:54:57,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:54:57,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 01:54:57,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:54:57,262 INFO L87 Difference]: Start difference. First operand 84909 states and 128115 transitions. Second operand has 14 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 9 states have call successors, (35), 5 states have call predecessors, (35), 3 states have return successors, (23), 9 states have call predecessors, (23), 8 states have call successors, (23) [2022-11-03 01:54:59,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:01,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:03,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:05,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:08,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:10,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:12,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:22,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:24,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:26,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:28,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:30,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:32,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:34,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:37,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:39,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:41,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:43,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:45,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:47,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:49,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:51,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:55:58,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:00,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:03,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:05,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:07,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:09,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:11,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:13,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:56:19,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:57:19,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:57:19,615 INFO L93 Difference]: Finished difference Result 202906 states and 311785 transitions. [2022-11-03 01:57:19,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-03 01:57:19,616 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 9 states have call successors, (35), 5 states have call predecessors, (35), 3 states have return successors, (23), 9 states have call predecessors, (23), 8 states have call successors, (23) Word has length 191 [2022-11-03 01:57:19,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:57:20,257 INFO L225 Difference]: With dead ends: 202906 [2022-11-03 01:57:20,257 INFO L226 Difference]: Without dead ends: 118027 [2022-11-03 01:57:20,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=201, Invalid=989, Unknown=0, NotChecked=0, Total=1190 [2022-11-03 01:57:20,894 INFO L413 NwaCegarLoop]: 5267 mSDtfsCounter, 3925 mSDsluCounter, 44821 mSDsCounter, 0 mSdLazyCounter, 34473 mSolverCounterSat, 2993 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 125.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4172 SdHoareTripleChecker+Valid, 47032 SdHoareTripleChecker+Invalid, 37497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2993 IncrementalHoareTripleChecker+Valid, 34473 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 134.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:57:20,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4172 Valid, 47032 Invalid, 37497 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2993 Valid, 34473 Invalid, 31 Unknown, 0 Unchecked, 134.9s Time] [2022-11-03 01:57:21,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118027 states. [2022-11-03 01:57:27,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118027 to 106808. [2022-11-03 01:57:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106808 states, 66245 states have (on average 1.3819609027096385) internal successors, (91548), 71496 states have internal predecessors, (91548), 31750 states have call successors, (31750), 8575 states have call predecessors, (31750), 8812 states have return successors, (40573), 29058 states have call predecessors, (40573), 31689 states have call successors, (40573) [2022-11-03 01:57:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106808 states to 106808 states and 163871 transitions. [2022-11-03 01:57:28,082 INFO L78 Accepts]: Start accepts. Automaton has 106808 states and 163871 transitions. Word has length 191 [2022-11-03 01:57:28,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:57:28,083 INFO L495 AbstractCegarLoop]: Abstraction has 106808 states and 163871 transitions. [2022-11-03 01:57:28,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 8.0) internal successors, (96), 12 states have internal predecessors, (96), 9 states have call successors, (35), 5 states have call predecessors, (35), 3 states have return successors, (23), 9 states have call predecessors, (23), 8 states have call successors, (23) [2022-11-03 01:57:28,083 INFO L276 IsEmpty]: Start isEmpty. Operand 106808 states and 163871 transitions. [2022-11-03 01:57:28,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-03 01:57:28,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:57:28,182 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:57:28,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 01:57:28,183 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:57:28,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:57:28,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2078769737, now seen corresponding path program 1 times [2022-11-03 01:57:28,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:57:28,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878725549] [2022-11-03 01:57:28,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:57:28,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:57:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat