./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--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW --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 f46b9a78b7df126f0e8e4ab33fe5881be17163006d9740767ef84c25adc3bd43 --- 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-4e7fbc6 [2022-11-23 14:28:33,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:28:33,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:28:33,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:28:33,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:28:33,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:28:33,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:28:33,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:28:33,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:28:33,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:28:33,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:28:33,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:28:33,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:28:33,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:28:33,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:28:33,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:28:33,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:28:33,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:28:33,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:28:33,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:28:33,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:28:33,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:28:33,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:28:33,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:28:33,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:28:33,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:28:33,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:28:33,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:28:33,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:28:33,603 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:28:33,603 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:28:33,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:28:33,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:28:33,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:28:33,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:28:33,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:28:33,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:28:33,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:28:33,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:28:33,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:28:33,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:28:33,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:28:33,655 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:28:33,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:28:33,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:28:33,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:28:33,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:28:33,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:28:33,657 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:28:33,658 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:28:33,658 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:28:33,658 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:28:33,659 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:28:33,659 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:28:33,660 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:28:33,660 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:28:33,660 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:28:33,660 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:28:33,660 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:28:33,661 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:28:33,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:28:33,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:28:33,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:28:33,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:28:33,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:28:33,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:28:33,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:28:33,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:28:33,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:28:33,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:28:33,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:28:33,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:28:33,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:28:33,664 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:28:33,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:28:33,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:28:33,665 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:28:33,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:28:33,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:28:33,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:28:33,666 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_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f46b9a78b7df126f0e8e4ab33fe5881be17163006d9740767ef84c25adc3bd43 [2022-11-23 14:28:33,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:28:33,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:28:33,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:28:33,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:28:33,996 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:28:33,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-11-23 14:28:37,097 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:28:37,911 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:28:37,912 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-11-23 14:28:37,955 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/data/c99c6b0cb/ba462620a9344728945200f3bbbab7dd/FLAGf2fe39fe4 [2022-11-23 14:28:37,969 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/data/c99c6b0cb/ba462620a9344728945200f3bbbab7dd [2022-11-23 14:28:37,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:28:37,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:28:37,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:28:37,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:28:37,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:28:37,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:37" (1/1) ... [2022-11-23 14:28:37,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c11f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:37, skipping insertion in model container [2022-11-23 14:28:37,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:37" (1/1) ... [2022-11-23 14:28:37,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:28:38,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:28:41,237 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i[404061,404074] [2022-11-23 14:28:41,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:28:41,391 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:28:42,000 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i[404061,404074] [2022-11-23 14:28:42,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:28:42,142 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:28:42,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42 WrapperNode [2022-11-23 14:28:42,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:28:42,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:28:42,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:28:42,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:28:42,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:42,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:42,805 INFO L138 Inliner]: procedures = 313, calls = 6264, calls flagged for inlining = 154, calls inlined = 152, statements flattened = 13661 [2022-11-23 14:28:42,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:28:42,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:28:42,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:28:42,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:28:42,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:42,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:42,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:42,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:43,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:43,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:43,597 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:43,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:43,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:28:43,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:28:43,810 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:28:43,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:28:43,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (1/1) ... [2022-11-23 14:28:43,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:28:43,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:28:43,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:28:43,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:28:43,980 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-11-23 14:28:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-11-23 14:28:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-11-23 14:28:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-11-23 14:28:43,981 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-11-23 14:28:43,981 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-11-23 14:28:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 14:28:43,982 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 14:28:43,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-11-23 14:28:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-11-23 14:28:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 14:28:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:28:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 14:28:43,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 14:28:43,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 14:28:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 14:28:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-11-23 14:28:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-11-23 14:28:43,984 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-11-23 14:28:43,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-11-23 14:28:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-11-23 14:28:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-11-23 14:28:43,985 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-11-23 14:28:43,985 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-11-23 14:28:43,986 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-11-23 14:28:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-11-23 14:28:43,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-23 14:28:43,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-23 14:28:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 14:28:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 14:28:43,988 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-23 14:28:43,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-23 14:28:43,989 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-11-23 14:28:43,989 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-11-23 14:28:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___0 [2022-11-23 14:28:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___0 [2022-11-23 14:28:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 14:28:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 14:28:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-11-23 14:28:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-11-23 14:28:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle___1 [2022-11-23 14:28:43,991 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle___1 [2022-11-23 14:28:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-11-23 14:28:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-11-23 14:28:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-11-23 14:28:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-11-23 14:28:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-11-23 14:28:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-11-23 14:28:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-11-23 14:28:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-11-23 14:28:43,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:28:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:28:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:28:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:28:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-11-23 14:28:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-11-23 14:28:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 14:28:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 14:28:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-11-23 14:28:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-11-23 14:28:43,995 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush___1 [2022-11-23 14:28:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush___1 [2022-11-23 14:28:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-11-23 14:28:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-11-23 14:28:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___1 [2022-11-23 14:28:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___1 [2022-11-23 14:28:43,996 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___0 [2022-11-23 14:28:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___0 [2022-11-23 14:28:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL___3 [2022-11-23 14:28:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL___3 [2022-11-23 14:28:43,997 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-11-23 14:28:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-11-23 14:28:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:28:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:28:43,998 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 14:28:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 14:28:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-23 14:28:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-23 14:28:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 14:28:44,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 14:28:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP___0 [2022-11-23 14:28:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP___0 [2022-11-23 14:28:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 14:28:44,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 14:28:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-11-23 14:28:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-11-23 14:28:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-11-23 14:28:44,002 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-11-23 14:28:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:28:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-23 14:28:44,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-23 14:28:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-11-23 14:28:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-11-23 14:28:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep___0 [2022-11-23 14:28:44,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep___0 [2022-11-23 14:28:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 14:28:44,005 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 14:28:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:28:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-11-23 14:28:44,006 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-11-23 14:28:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-11-23 14:28:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-11-23 14:28:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-11-23 14:28:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-11-23 14:28:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-23 14:28:44,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-23 14:28:44,007 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-11-23 14:28:44,008 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-11-23 14:28:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 14:28:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 14:28:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-11-23 14:28:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-11-23 14:28:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-11-23 14:28:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-11-23 14:28:44,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 14:28:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-23 14:28:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-23 14:28:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-11-23 14:28:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-11-23 14:28:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-23 14:28:44,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-23 14:28:44,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:28:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-11-23 14:28:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-11-23 14:28:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-23 14:28:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-23 14:28:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-11-23 14:28:44,011 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-11-23 14:28:44,011 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-11-23 14:28:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-11-23 14:28:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:28:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP___1 [2022-11-23 14:28:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP___1 [2022-11-23 14:28:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-11-23 14:28:44,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-11-23 14:28:44,012 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-11-23 14:28:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-11-23 14:28:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 14:28:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 14:28:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-11-23 14:28:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-11-23 14:28:44,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 14:28:44,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 14:28:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-11-23 14:28:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-11-23 14:28:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___2 [2022-11-23 14:28:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___2 [2022-11-23 14:28:44,014 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___1 [2022-11-23 14:28:44,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___1 [2022-11-23 14:28:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-11-23 14:28:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-11-23 14:28:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait___0 [2022-11-23 14:28:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait___0 [2022-11-23 14:28:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-11-23 14:28:44,015 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-11-23 14:28:44,015 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-11-23 14:28:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-11-23 14:28:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 14:28:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 14:28:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-11-23 14:28:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-11-23 14:28:44,016 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-11-23 14:28:44,016 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-11-23 14:28:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:28:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 14:28:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 14:28:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-11-23 14:28:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-11-23 14:28:44,017 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___3 [2022-11-23 14:28:44,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___3 [2022-11-23 14:28:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-11-23 14:28:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-11-23 14:28:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___1 [2022-11-23 14:28:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___1 [2022-11-23 14:28:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL___0 [2022-11-23 14:28:44,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL___0 [2022-11-23 14:28:44,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 14:28:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 14:28:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-11-23 14:28:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-11-23 14:28:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-11-23 14:28:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-11-23 14:28:44,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 14:28:44,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 14:28:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:28:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2022-11-23 14:28:44,020 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2022-11-23 14:28:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 14:28:44,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 14:28:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:28:44,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-11-23 14:28:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-11-23 14:28:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 14:28:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 14:28:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:28:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-11-23 14:28:44,021 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-11-23 14:28:44,021 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-23 14:28:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-23 14:28:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-11-23 14:28:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-11-23 14:28:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-11-23 14:28:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-11-23 14:28:44,022 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-11-23 14:28:44,022 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-11-23 14:28:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-11-23 14:28:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-11-23 14:28:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-11-23 14:28:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-11-23 14:28:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-11-23 14:28:44,023 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-11-23 14:28:44,023 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 14:28:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 14:28:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___3 [2022-11-23 14:28:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___3 [2022-11-23 14:28:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___1 [2022-11-23 14:28:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___1 [2022-11-23 14:28:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data___0 [2022-11-23 14:28:44,024 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data___0 [2022-11-23 14:28:44,024 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-11-23 14:28:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-11-23 14:28:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 14:28:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 14:28:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-11-23 14:28:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-11-23 14:28:44,025 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-11-23 14:28:44,025 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-11-23 14:28:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 14:28:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 14:28:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-11-23 14:28:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-11-23 14:28:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-11-23 14:28:44,026 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-11-23 14:28:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 14:28:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 14:28:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-11-23 14:28:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-11-23 14:28:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:28:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-23 14:28:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-23 14:28:44,027 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-11-23 14:28:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-11-23 14:28:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-11-23 14:28:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-11-23 14:28:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-23 14:28:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-23 14:28:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:28:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:28:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 14:28:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 14:28:45,456 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:28:45,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:28:46,683 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 14:29:15,772 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:29:22,810 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:29:22,810 INFO L300 CfgBuilder]: Removed 41 assume(true) statements. [2022-11-23 14:29:22,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:22 BoogieIcfgContainer [2022-11-23 14:29:22,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:29:22,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:29:22,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:29:22,825 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:29:22,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:37" (1/3) ... [2022-11-23 14:29:22,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f60d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:22, skipping insertion in model container [2022-11-23 14:29:22,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:42" (2/3) ... [2022-11-23 14:29:22,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f60d2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:29:22, skipping insertion in model container [2022-11-23 14:29:22,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:29:22" (3/3) ... [2022-11-23 14:29:22,829 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--video--fbdev--aty--radeonfb.ko-entry_point.cil.out.i [2022-11-23 14:29:22,851 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:29:22,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:29:22,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:29:22,990 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;@37e821d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:29:22,990 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:29:23,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 3789 states, 2176 states have (on average 1.236672794117647) internal successors, (2691), 2308 states have internal predecessors, (2691), 1531 states have call successors, (1531), 117 states have call predecessors, (1531), 116 states have return successors, (1524), 1511 states have call predecessors, (1524), 1524 states have call successors, (1524) [2022-11-23 14:29:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-23 14:29:23,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:29:23,041 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-11-23 14:29:23,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:29:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:29:23,046 INFO L85 PathProgramCache]: Analyzing trace with hash 525340127, now seen corresponding path program 1 times [2022-11-23 14:29:23,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:29:23,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961384496] [2022-11-23 14:29:23,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:29:23,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:29:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:29:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-11-23 14:29:25,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:29:25,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961384496] [2022-11-23 14:29:25,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961384496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:29:25,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:29:25,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:29:25,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183552302] [2022-11-23 14:29:25,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:29:25,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:29:25,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:29:25,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:29:25,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:29:25,133 INFO L87 Difference]: Start difference. First operand has 3789 states, 2176 states have (on average 1.236672794117647) internal successors, (2691), 2308 states have internal predecessors, (2691), 1531 states have call successors, (1531), 117 states have call predecessors, (1531), 116 states have return successors, (1524), 1511 states have call predecessors, (1524), 1524 states have call successors, (1524) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-23 14:29:27,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:29,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:31,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:33,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:29:36,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:39,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:29:42,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:43,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:45,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:47,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:50,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:52,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:29:54,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:29:57,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:29:58,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:29:58,701 INFO L93 Difference]: Finished difference Result 10179 states and 15472 transitions. [2022-11-23 14:29:58,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:29:58,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 283 [2022-11-23 14:29:58,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:29:58,769 INFO L225 Difference]: With dead ends: 10179 [2022-11-23 14:29:58,770 INFO L226 Difference]: Without dead ends: 6424 [2022-11-23 14:29:58,806 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 [2022-11-23 14:29:58,809 INFO L413 NwaCegarLoop]: 6882 mSDtfsCounter, 4140 mSDsluCounter, 5128 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4140 SdHoareTripleChecker+Valid, 12010 SdHoareTripleChecker+Invalid, 777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:29:58,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4140 Valid, 12010 Invalid, 777 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 769 Invalid, 7 Unknown, 0 Unchecked, 33.0s Time] [2022-11-23 14:29:58,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6424 states. [2022-11-23 14:29:59,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6424 to 6423. [2022-11-23 14:29:59,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6423 states, 3541 states have (on average 1.2115221688788478) internal successors, (4290), 3717 states have internal predecessors, (4290), 2670 states have call successors, (2670), 212 states have call predecessors, (2670), 211 states have return successors, (2669), 2642 states have call predecessors, (2669), 2669 states have call successors, (2669) [2022-11-23 14:29:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6423 states to 6423 states and 9629 transitions. [2022-11-23 14:29:59,677 INFO L78 Accepts]: Start accepts. Automaton has 6423 states and 9629 transitions. Word has length 283 [2022-11-23 14:29:59,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:29:59,683 INFO L495 AbstractCegarLoop]: Abstraction has 6423 states and 9629 transitions. [2022-11-23 14:29:59,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-23 14:29:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6423 states and 9629 transitions. [2022-11-23 14:29:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-11-23 14:29:59,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:29:59,707 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 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] [2022-11-23 14:29:59,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:29:59,707 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:29:59,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:29:59,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1661418593, now seen corresponding path program 1 times [2022-11-23 14:29:59,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:29:59,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723349038] [2022-11-23 14:29:59,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:29:59,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:30:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:30:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1462 trivial. 0 not checked. [2022-11-23 14:30:02,029 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:30:02,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723349038] [2022-11-23 14:30:02,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723349038] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:30:02,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:30:02,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:30:02,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351720946] [2022-11-23 14:30:02,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:30:02,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:30:02,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:30:02,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:30:02,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:30:02,036 INFO L87 Difference]: Start difference. First operand 6423 states and 9629 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-23 14:30:03,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:06,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:09,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:12,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:30:14,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:17,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:22,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:24,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:27,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:30:29,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:30:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:30:31,035 INFO L93 Difference]: Finished difference Result 11372 states and 17094 transitions. [2022-11-23 14:30:31,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:30:31,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 330 [2022-11-23 14:30:31,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:30:31,142 INFO L225 Difference]: With dead ends: 11372 [2022-11-23 14:30:31,143 INFO L226 Difference]: Without dead ends: 11369 [2022-11-23 14:30:31,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:30:31,154 INFO L413 NwaCegarLoop]: 6279 mSDtfsCounter, 4379 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4380 SdHoareTripleChecker+Valid, 10977 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:30:31,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4380 Valid, 10977 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 704 Invalid, 9 Unknown, 0 Unchecked, 28.5s Time] [2022-11-23 14:30:31,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11369 states. [2022-11-23 14:30:32,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11369 to 11322. [2022-11-23 14:30:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11322 states, 6208 states have (on average 1.2119845360824741) internal successors, (7524), 6544 states have internal predecessors, (7524), 4729 states have call successors, (4729), 387 states have call predecessors, (4729), 384 states have return successors, (4764), 4674 states have call predecessors, (4764), 4728 states have call successors, (4764) [2022-11-23 14:30:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11322 states to 11322 states and 17017 transitions. [2022-11-23 14:30:32,518 INFO L78 Accepts]: Start accepts. Automaton has 11322 states and 17017 transitions. Word has length 330 [2022-11-23 14:30:32,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:30:32,525 INFO L495 AbstractCegarLoop]: Abstraction has 11322 states and 17017 transitions. [2022-11-23 14:30:32,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-23 14:30:32,526 INFO L276 IsEmpty]: Start isEmpty. Operand 11322 states and 17017 transitions. [2022-11-23 14:30:32,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-23 14:30:32,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:30:32,567 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:30:32,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:30:32,568 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:30:32,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:30:32,568 INFO L85 PathProgramCache]: Analyzing trace with hash -388655813, now seen corresponding path program 1 times [2022-11-23 14:30:32,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:30:32,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212166554] [2022-11-23 14:30:32,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:30:32,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:30:33,214 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:30:33,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1935895677] [2022-11-23 14:30:33,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:30:33,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:30:33,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:30:33,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:30:33,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:30:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:30:36,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 9578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:30:37,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:30:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2022-11-23 14:30:37,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:30:37,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:30:37,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212166554] [2022-11-23 14:30:37,068 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:30:37,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935895677] [2022-11-23 14:30:37,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935895677] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:30:37,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:30:37,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:30:37,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114630822] [2022-11-23 14:30:37,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:30:37,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:30:37,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:30:37,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:30:37,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:30:37,072 INFO L87 Difference]: Start difference. First operand 11322 states and 17017 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-23 14:30:39,168 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 [] [2022-11-23 14:30:42,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:43,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:30:45,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:30:47,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:51,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:30:53,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:54,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:56,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:30:59,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:01,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:02,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:04,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:31:06,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:31:08,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:31:09,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:31:09,464 INFO L93 Difference]: Finished difference Result 22616 states and 34117 transitions. [2022-11-23 14:31:09,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:31:09,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 413 [2022-11-23 14:31:09,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:31:09,565 INFO L225 Difference]: With dead ends: 22616 [2022-11-23 14:31:09,566 INFO L226 Difference]: Without dead ends: 11354 [2022-11-23 14:31:09,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:31:09,674 INFO L413 NwaCegarLoop]: 5143 mSDtfsCounter, 5 mSDsluCounter, 5139 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10282 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:31:09,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10282 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 714 Invalid, 9 Unknown, 0 Unchecked, 32.0s Time] [2022-11-23 14:31:09,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11354 states. [2022-11-23 14:31:10,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11354 to 11326. [2022-11-23 14:31:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11326 states, 6212 states have (on average 1.21184803605924) internal successors, (7528), 6548 states have internal predecessors, (7528), 4729 states have call successors, (4729), 387 states have call predecessors, (4729), 384 states have return successors, (4764), 4674 states have call predecessors, (4764), 4728 states have call successors, (4764) [2022-11-23 14:31:11,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11326 states to 11326 states and 17021 transitions. [2022-11-23 14:31:11,028 INFO L78 Accepts]: Start accepts. Automaton has 11326 states and 17021 transitions. Word has length 413 [2022-11-23 14:31:11,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:31:11,029 INFO L495 AbstractCegarLoop]: Abstraction has 11326 states and 17021 transitions. [2022-11-23 14:31:11,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-11-23 14:31:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 11326 states and 17021 transitions. [2022-11-23 14:31:11,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-11-23 14:31:11,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:31:11,063 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:31:11,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:31:11,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:31:11,286 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:31:11,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:31:11,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1405240525, now seen corresponding path program 1 times [2022-11-23 14:31:11,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:31:11,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33563046] [2022-11-23 14:31:11,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:31:11,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:31:11,930 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:31:11,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1418423260] [2022-11-23 14:31:11,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:31:11,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:31:11,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:31:11,935 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:31:11,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:31:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:31:15,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 9599 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:31:15,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:31:15,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1500 trivial. 0 not checked. [2022-11-23 14:31:15,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:31:15,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:31:15,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33563046] [2022-11-23 14:31:15,978 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:31:15,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418423260] [2022-11-23 14:31:15,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418423260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:31:15,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:31:15,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:31:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800120508] [2022-11-23 14:31:15,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:31:15,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:31:15,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:31:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:31:15,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:31:15,982 INFO L87 Difference]: Start difference. First operand 11326 states and 17021 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-23 14:31:18,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:20,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:22,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:24,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:31:26,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:30,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:31:31,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:33,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:35,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:37,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:39,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:42,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:31:44,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:31:46,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:31:46,158 INFO L93 Difference]: Finished difference Result 22640 states and 34104 transitions. [2022-11-23 14:31:46,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:31:46,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 418 [2022-11-23 14:31:46,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:31:46,240 INFO L225 Difference]: With dead ends: 22640 [2022-11-23 14:31:46,240 INFO L226 Difference]: Without dead ends: 11374 [2022-11-23 14:31:46,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:31:46,310 INFO L413 NwaCegarLoop]: 5151 mSDtfsCounter, 13 mSDsluCounter, 5141 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 10292 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2022-11-23 14:31:46,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 10292 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 714 Invalid, 9 Unknown, 0 Unchecked, 29.6s Time] [2022-11-23 14:31:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11374 states. [2022-11-23 14:31:47,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11374 to 11330. [2022-11-23 14:31:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11330 states, 6216 states have (on average 1.2117117117117118) internal successors, (7532), 6552 states have internal predecessors, (7532), 4729 states have call successors, (4729), 387 states have call predecessors, (4729), 384 states have return successors, (4764), 4674 states have call predecessors, (4764), 4728 states have call successors, (4764) [2022-11-23 14:31:47,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11330 states to 11330 states and 17025 transitions. [2022-11-23 14:31:47,418 INFO L78 Accepts]: Start accepts. Automaton has 11330 states and 17025 transitions. Word has length 418 [2022-11-23 14:31:47,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:31:47,420 INFO L495 AbstractCegarLoop]: Abstraction has 11330 states and 17025 transitions. [2022-11-23 14:31:47,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (51), 2 states have call predecessors, (51), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-11-23 14:31:47,420 INFO L276 IsEmpty]: Start isEmpty. Operand 11330 states and 17025 transitions. [2022-11-23 14:31:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-11-23 14:31:47,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:31:47,447 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:31:47,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:31:47,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:31:47,666 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:31:47,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:31:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1157734310, now seen corresponding path program 1 times [2022-11-23 14:31:47,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:31:47,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339272804] [2022-11-23 14:31:47,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:31:47,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:31:48,350 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:31:48,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1481141436] [2022-11-23 14:31:48,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:31:48,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:31:48,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:31:48,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:31:48,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:31:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:31:52,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 9630 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 14:31:52,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:31:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1487 trivial. 0 not checked. [2022-11-23 14:31:52,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:31:52,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:31:52,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339272804] [2022-11-23 14:31:52,336 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:31:52,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481141436] [2022-11-23 14:31:52,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481141436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:31:52,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:31:52,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:31:52,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742055308] [2022-11-23 14:31:52,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:31:52,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:31:52,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:31:52,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:31:52,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:31:52,340 INFO L87 Difference]: Start difference. First operand 11330 states and 17025 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-23 14:31:54,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:57,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:31:59,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:32:01,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:32:03,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:32:05,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:32:07,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:32:10,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:32:12,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:32:14,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:32:16,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:32:19,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:32:21,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:32:23,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:32:23,074 INFO L93 Difference]: Finished difference Result 22601 states and 33972 transitions. [2022-11-23 14:32:23,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:32:23,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 428 [2022-11-23 14:32:23,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:32:23,138 INFO L225 Difference]: With dead ends: 22601 [2022-11-23 14:32:23,138 INFO L226 Difference]: Without dead ends: 11331 [2022-11-23 14:32:23,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:32:23,188 INFO L413 NwaCegarLoop]: 5142 mSDtfsCounter, 0 mSDsluCounter, 5140 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10282 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:32:23,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10282 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 711 Invalid, 10 Unknown, 0 Unchecked, 30.2s Time] [2022-11-23 14:32:23,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11331 states. [2022-11-23 14:32:24,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11331 to 11331. [2022-11-23 14:32:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11331 states, 6217 states have (on average 1.2116776580344217) internal successors, (7533), 6553 states have internal predecessors, (7533), 4729 states have call successors, (4729), 387 states have call predecessors, (4729), 384 states have return successors, (4764), 4674 states have call predecessors, (4764), 4728 states have call successors, (4764) [2022-11-23 14:32:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11331 states to 11331 states and 17026 transitions. [2022-11-23 14:32:24,246 INFO L78 Accepts]: Start accepts. Automaton has 11331 states and 17026 transitions. Word has length 428 [2022-11-23 14:32:24,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:32:24,247 INFO L495 AbstractCegarLoop]: Abstraction has 11331 states and 17026 transitions. [2022-11-23 14:32:24,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (53), 2 states have call predecessors, (53), 2 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-11-23 14:32:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 11331 states and 17026 transitions. [2022-11-23 14:32:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-11-23 14:32:24,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:32:24,272 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:32:24,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:32:24,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:32:24,486 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:32:24,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:32:24,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1043650344, now seen corresponding path program 1 times [2022-11-23 14:32:24,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:32:24,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3184306] [2022-11-23 14:32:24,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:32:24,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:32:25,147 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:32:25,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677177872] [2022-11-23 14:32:25,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:32:25,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:32:25,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:32:25,149 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:32:25,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8518175a-ce5c-4438-89dc-e2d9ac4f8eb6/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:32:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:32:29,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 9665 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:32:29,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:32:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1525 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-11-23 14:32:29,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:32:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1525 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 1505 trivial. 0 not checked. [2022-11-23 14:32:30,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:32:30,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3184306] [2022-11-23 14:32:30,376 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:32:30,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677177872] [2022-11-23 14:32:30,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677177872] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:32:30,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [686384681] [2022-11-23 14:32:30,409 INFO L159 IcfgInterpreter]: Started Sifa with 173 locations of interest [2022-11-23 14:32:30,409 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:32:30,414 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:32:30,420 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:32:30,420 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:32:49,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4851 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 496 [2022-11-23 14:32:50,478 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4851 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 496 [2022-11-23 14:32:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:32:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:33:12,694 INFO L217 Elim1Store]: Index analysis took 20162 ms