./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--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS --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 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 --- 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-8393723 [2022-11-19 08:16:07,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:16:07,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:16:07,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:16:07,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:16:07,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:16:07,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:16:07,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:16:07,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:16:07,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:16:07,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:16:07,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:16:07,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:16:07,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:16:07,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:16:07,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:16:07,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:16:07,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:16:07,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:16:07,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:16:07,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:16:07,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:16:07,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:16:07,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:16:07,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:16:07,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:16:07,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:16:07,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:16:07,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:16:07,638 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:16:07,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:16:07,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:16:07,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:16:07,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:16:07,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:16:07,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:16:07,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:16:07,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:16:07,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:16:07,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:16:07,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:16:07,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:16:07,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:16:07,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:16:07,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:16:07,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:16:07,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:16:07,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:16:07,673 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:16:07,674 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:16:07,674 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:16:07,674 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:16:07,674 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:16:07,675 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:16:07,675 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:16:07,675 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:16:07,676 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:16:07,676 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:16:07,676 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:16:07,676 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:16:07,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:16:07,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:16:07,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:16:07,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:16:07,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:16:07,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:16:07,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:16:07,679 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:16:07,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:16:07,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:16:07,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:16:07,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:16:07,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:16:07,681 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:16:07,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:16:07,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:16:07,682 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:16:07,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:16:07,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:16:07,684 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:16:07,685 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_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08f69d9d27fea4ba41de4dd6c325f6f1a70ecfdbb77928c35b5b3f93d75aa1b8 [2022-11-19 08:16:08,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:16:08,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:16:08,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:16:08,043 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:16:08,043 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:16:08,045 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2022-11-19 08:16:08,125 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/data/13cab3c35/1c2c5fb382c2416abdfc37613e276730/FLAG61dbcbf25 [2022-11-19 08:16:09,030 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:16:09,031 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2022-11-19 08:16:09,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/data/13cab3c35/1c2c5fb382c2416abdfc37613e276730/FLAG61dbcbf25 [2022-11-19 08:16:09,558 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/data/13cab3c35/1c2c5fb382c2416abdfc37613e276730 [2022-11-19 08:16:09,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:16:09,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:16:09,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:16:09,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:16:09,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:16:09,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:16:09" (1/1) ... [2022-11-19 08:16:09,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c21b66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:09, skipping insertion in model container [2022-11-19 08:16:09,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:16:09" (1/1) ... [2022-11-19 08:16:09,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:16:09,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:16:11,702 WARN L234 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_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[250006,250019] [2022-11-19 08:16:11,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:16:11,792 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:16:12,252 WARN L234 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_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i[250006,250019] [2022-11-19 08:16:12,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:16:12,393 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:16:12,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12 WrapperNode [2022-11-19 08:16:12,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:16:12,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:16:12,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:16:12,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:16:12,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:12,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:12,695 INFO L138 Inliner]: procedures = 302, calls = 1935, calls flagged for inlining = 138, calls inlined = 135, statements flattened = 5050 [2022-11-19 08:16:12,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:16:12,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:16:12,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:16:12,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:16:12,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:12,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:12,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:12,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:12,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:12,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:13,077 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:13,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:13,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:16:13,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:16:13,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:16:13,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:16:13,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (1/1) ... [2022-11-19 08:16:13,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:16:13,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:13,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:16:13,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:16:13,246 INFO L130 BoogieDeclarations]: Found specification of procedure finish_request [2022-11-19 08:16:13,246 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_request [2022-11-19 08:16:13,247 INFO L130 BoogieDeclarations]: Found specification of procedure start_transfer [2022-11-19 08:16:13,247 INFO L138 BoogieDeclarations]: Found implementation of procedure start_transfer [2022-11-19 08:16:13,247 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_status_data [2022-11-19 08:16:13,248 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_status_data [2022-11-19 08:16:13,248 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-19 08:16:13,248 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-19 08:16:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_resume [2022-11-19 08:16:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_resume [2022-11-19 08:16:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:16:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:16:13,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:16:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:16:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:16:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:16:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure disable_controller [2022-11-19 08:16:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_controller [2022-11-19 08:16:13,250 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_stop [2022-11-19 08:16:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_stop [2022-11-19 08:16:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure free_usb_address [2022-11-19 08:16:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure free_usb_address [2022-11-19 08:16:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_enable [2022-11-19 08:16:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_enable [2022-11-19 08:16:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure disable_r8a66597_pipe_all [2022-11-19 08:16:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_r8a66597_pipe_all [2022-11-19 08:16:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 08:16:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 08:16:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure enable_controller [2022-11-19 08:16:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_controller [2022-11-19 08:16:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:16:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:16:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-19 08:16:13,253 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-19 08:16:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_root_hub_start_polling [2022-11-19 08:16:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_root_hub_start_polling [2022-11-19 08:16:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 08:16:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 08:16:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-19 08:16:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-19 08:16:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_irq_disable [2022-11-19 08:16:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_irq_disable [2022-11-19 08:16:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_toggle_set [2022-11-19 08:16:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_toggle_set [2022-11-19 08:16:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_dequeue [2022-11-19 08:16:13,256 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_dequeue [2022-11-19 08:16:13,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:16:13,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:16:13,258 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_type [2022-11-19 08:16:13,259 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_type [2022-11-19 08:16:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_hub_control [2022-11-19 08:16:13,261 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_hub_control [2022-11-19 08:16:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure set_pipe_reg_addr [2022-11-19 08:16:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure set_pipe_reg_addr [2022-11-19 08:16:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-11-19 08:16:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-11-19 08:16:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_addr [2022-11-19 08:16:13,262 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_addr [2022-11-19 08:16:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 08:16:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 08:16:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_done [2022-11-19 08:16:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_done [2022-11-19 08:16:13,263 INFO L130 BoogieDeclarations]: Found specification of procedure check_next_phase [2022-11-19 08:16:13,263 INFO L138 BoogieDeclarations]: Found implementation of procedure check_next_phase [2022-11-19 08:16:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure get_intsts_reg [2022-11-19 08:16:13,264 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intsts_reg [2022-11-19 08:16:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-19 08:16:13,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-19 08:16:13,264 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_mdfy [2022-11-19 08:16:13,264 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_mdfy [2022-11-19 08:16:13,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-19 08:16:13,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-19 08:16:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure set_devadd_reg [2022-11-19 08:16:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure set_devadd_reg [2022-11-19 08:16:13,266 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_urb_enqueue [2022-11-19 08:16:13,266 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_urb_enqueue [2022-11-19 08:16:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure get_syssts_reg [2022-11-19 08:16:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syssts_reg [2022-11-19 08:16:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-19 08:16:13,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-19 08:16:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:16:13,267 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:16:13,268 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:16:13,268 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_start [2022-11-19 08:16:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_start [2022-11-19 08:16:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:16:13,269 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_start [2022-11-19 08:16:13,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_start [2022-11-19 08:16:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure check_transfer_finish [2022-11-19 08:16:13,271 INFO L138 BoogieDeclarations]: Found implementation of procedure check_transfer_finish [2022-11-19 08:16:13,271 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_remove [2022-11-19 08:16:13,272 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_remove [2022-11-19 08:16:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 08:16:13,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 08:16:13,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:16:13,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:16:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 08:16:13,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 08:16:13,274 INFO L130 BoogieDeclarations]: Found specification of procedure enable_pipe_irq [2022-11-19 08:16:13,274 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_pipe_irq [2022-11-19 08:16:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-19 08:16:13,275 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-19 08:16:13,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:16:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-19 08:16:13,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-19 08:16:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-19 08:16:13,276 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-19 08:16:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:16:13,276 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_endpoint_disable [2022-11-19 08:16:13,277 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_endpoint_disable [2022-11-19 08:16:13,278 INFO L130 BoogieDeclarations]: Found specification of procedure start_root_hub_sampling [2022-11-19 08:16:13,281 INFO L138 BoogieDeclarations]: Found implementation of procedure start_root_hub_sampling [2022-11-19 08:16:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_resume [2022-11-19 08:16:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_resume [2022-11-19 08:16:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-19 08:16:13,282 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-19 08:16:13,284 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 08:16:13,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 08:16:13,286 INFO L130 BoogieDeclarations]: Found specification of procedure collect_usb_address_map [2022-11-19 08:16:13,287 INFO L138 BoogieDeclarations]: Found implementation of procedure collect_usb_address_map [2022-11-19 08:16:13,291 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_pipe_toggle [2022-11-19 08:16:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_pipe_toggle [2022-11-19 08:16:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure get_syscfg_reg [2022-11-19 08:16:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_syscfg_reg [2022-11-19 08:16:13,292 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_write [2022-11-19 08:16:13,292 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_write [2022-11-19 08:16:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:16:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:16:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure get_toggle_pointer [2022-11-19 08:16:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure get_toggle_pointer [2022-11-19 08:16:13,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2022-11-19 08:16:13,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2022-11-19 08:16:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure get_parent_r8a66597_address [2022-11-19 08:16:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure get_parent_r8a66597_address [2022-11-19 08:16:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-19 08:16:13,294 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-19 08:16:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:16:13,294 INFO L130 BoogieDeclarations]: Found specification of procedure packet_write [2022-11-19 08:16:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_write [2022-11-19 08:16:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-19 08:16:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-19 08:16:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 08:16:13,295 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 08:16:13,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:16:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-19 08:16:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-19 08:16:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure clk_put [2022-11-19 08:16:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_put [2022-11-19 08:16:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2022-11-19 08:16:13,296 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2022-11-19 08:16:13,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_port_number [2022-11-19 08:16:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_port_number [2022-11-19 08:16:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:16:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure force_dequeue [2022-11-19 08:16:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure force_dequeue [2022-11-19 08:16:13,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_intenb_reg [2022-11-19 08:16:13,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_intenb_reg [2022-11-19 08:16:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_to_hcd [2022-11-19 08:16:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_to_hcd [2022-11-19 08:16:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pipe_irq [2022-11-19 08:16:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pipe_irq [2022-11-19 08:16:13,298 INFO L130 BoogieDeclarations]: Found specification of procedure pipe_setting [2022-11-19 08:16:13,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pipe_setting [2022-11-19 08:16:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_clock_enable [2022-11-19 08:16:13,299 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_clock_enable [2022-11-19 08:16:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-19 08:16:13,299 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-19 08:16:13,299 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_to_r8a66597_dev [2022-11-19 08:16:13,299 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_to_r8a66597_dev [2022-11-19 08:16:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_dvstctr_reg [2022-11-19 08:16:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dvstctr_reg [2022-11-19 08:16:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure packet_read [2022-11-19 08:16:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_read [2022-11-19 08:16:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure fifo_change_from_pipe [2022-11-19 08:16:13,300 INFO L138 BoogieDeclarations]: Found implementation of procedure fifo_change_from_pipe [2022-11-19 08:16:13,300 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:16:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:16:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure get_urb_error [2022-11-19 08:16:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure get_urb_error [2022-11-19 08:16:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 08:16:13,301 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 08:16:13,301 INFO L130 BoogieDeclarations]: Found specification of procedure mbw_value [2022-11-19 08:16:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mbw_value [2022-11-19 08:16:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:16:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure cfifo_change [2022-11-19 08:16:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure cfifo_change [2022-11-19 08:16:13,302 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_td [2022-11-19 08:16:13,302 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_td [2022-11-19 08:16:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:16:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:16:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hub_find_child [2022-11-19 08:16:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hub_find_child [2022-11-19 08:16:13,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 08:16:13,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 08:16:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_probe [2022-11-19 08:16:13,304 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_probe [2022-11-19 08:16:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-11-19 08:16:13,304 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-11-19 08:16:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:16:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_port_power [2022-11-19 08:16:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_port_power [2022-11-19 08:16:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 08:16:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 08:16:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:16:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:16:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:16:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:16:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2022-11-19 08:16:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2022-11-19 08:16:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure get_r8a66597_usb_speed [2022-11-19 08:16:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure get_r8a66597_usb_speed [2022-11-19 08:16:13,306 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_read [2022-11-19 08:16:13,306 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_read [2022-11-19 08:16:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 08:16:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 08:16:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure set_td_timer [2022-11-19 08:16:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure set_td_timer [2022-11-19 08:16:13,307 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_packet_write [2022-11-19 08:16:13,307 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_packet_write [2022-11-19 08:16:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2022-11-19 08:16:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2022-11-19 08:16:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_suspend [2022-11-19 08:16:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_suspend [2022-11-19 08:16:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_irq [2022-11-19 08:16:13,308 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_irq [2022-11-19 08:16:13,308 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:16:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:16:13,309 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_reg_wait [2022-11-19 08:16:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_reg_wait [2022-11-19 08:16:13,309 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-19 08:16:13,309 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-19 08:16:13,309 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:16:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:16:13,310 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_usb_disconnect [2022-11-19 08:16:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_usb_disconnect [2022-11-19 08:16:13,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:16:13,310 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_get_frame [2022-11-19 08:16:13,311 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_get_frame [2022-11-19 08:16:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure r8a66597_bus_suspend [2022-11-19 08:16:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure r8a66597_bus_suspend [2022-11-19 08:16:13,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:16:13,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:16:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_r8a66597 [2022-11-19 08:16:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_r8a66597 [2022-11-19 08:16:13,317 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 08:16:13,317 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 08:16:14,368 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:16:14,372 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:16:15,507 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:16:19,634 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:16:21,896 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:16:21,896 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:16:21,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:16:21 BoogieIcfgContainer [2022-11-19 08:16:21,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:16:21,905 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:16:21,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:16:21,909 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:16:21,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:16:09" (1/3) ... [2022-11-19 08:16:21,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12667cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:16:21, skipping insertion in model container [2022-11-19 08:16:21,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:12" (2/3) ... [2022-11-19 08:16:21,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12667cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:16:21, skipping insertion in model container [2022-11-19 08:16:21,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:16:21" (3/3) ... [2022-11-19 08:16:21,913 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--r8a66597-hcd.ko-entry_point.cil.out.i [2022-11-19 08:16:21,935 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:16:21,935 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:16:22,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:16:22,096 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;@34412b26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:16:22,097 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:16:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 1760 states, 1025 states have (on average 1.36) internal successors, (1394), 1112 states have internal predecessors, (1394), 619 states have call successors, (619), 115 states have call predecessors, (619), 114 states have return successors, (611), 589 states have call predecessors, (611), 611 states have call successors, (611) [2022-11-19 08:16:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-19 08:16:22,164 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:22,165 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:22,166 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:22,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:22,175 INFO L85 PathProgramCache]: Analyzing trace with hash 889084989, now seen corresponding path program 1 times [2022-11-19 08:16:22,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:22,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665369530] [2022-11-19 08:16:22,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:22,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:23,040 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-11-19 08:16:23,041 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:23,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665369530] [2022-11-19 08:16:23,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665369530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:23,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:23,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:16:23,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085699373] [2022-11-19 08:16:23,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:23,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:16:23,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:23,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:16:23,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:16:23,099 INFO L87 Difference]: Start difference. First operand has 1760 states, 1025 states have (on average 1.36) internal successors, (1394), 1112 states have internal predecessors, (1394), 619 states have call successors, (619), 115 states have call predecessors, (619), 114 states have return successors, (611), 589 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 08:16:27,151 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 [] [2022-11-19 08:16:28,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:28,927 INFO L93 Difference]: Finished difference Result 4543 states and 6785 transitions. [2022-11-19 08:16:28,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:16:28,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 127 [2022-11-19 08:16:28,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:28,977 INFO L225 Difference]: With dead ends: 4543 [2022-11-19 08:16:28,977 INFO L226 Difference]: Without dead ends: 2781 [2022-11-19 08:16:28,996 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 [2022-11-19 08:16:29,000 INFO L413 NwaCegarLoop]: 2780 mSDtfsCounter, 1536 mSDsluCounter, 2273 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 5053 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:29,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 5053 Invalid, 589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 586 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-11-19 08:16:29,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2022-11-19 08:16:29,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2777. [2022-11-19 08:16:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2777 states, 1613 states have (on average 1.337259764414135) internal successors, (2157), 1739 states have internal predecessors, (2157), 963 states have call successors, (963), 201 states have call predecessors, (963), 200 states have return successors, (962), 920 states have call predecessors, (962), 962 states have call successors, (962) [2022-11-19 08:16:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2777 states and 4082 transitions. [2022-11-19 08:16:29,388 INFO L78 Accepts]: Start accepts. Automaton has 2777 states and 4082 transitions. Word has length 127 [2022-11-19 08:16:29,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:29,390 INFO L495 AbstractCegarLoop]: Abstraction has 2777 states and 4082 transitions. [2022-11-19 08:16:29,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 08:16:29,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 4082 transitions. [2022-11-19 08:16:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-11-19 08:16:29,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:29,409 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:29,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:16:29,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:29,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:29,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2115641262, now seen corresponding path program 1 times [2022-11-19 08:16:29,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:29,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554359225] [2022-11-19 08:16:29,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:29,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 08:16:30,317 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:30,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554359225] [2022-11-19 08:16:30,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554359225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:30,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:30,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:16:30,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651497215] [2022-11-19 08:16:30,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:30,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:16:30,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:30,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:16:30,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:16:30,323 INFO L87 Difference]: Start difference. First operand 2777 states and 4082 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:16:34,466 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 [] [2022-11-19 08:16:37,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:37,980 INFO L93 Difference]: Finished difference Result 5542 states and 8140 transitions. [2022-11-19 08:16:37,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:16:37,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 156 [2022-11-19 08:16:37,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:38,008 INFO L225 Difference]: With dead ends: 5542 [2022-11-19 08:16:38,008 INFO L226 Difference]: Without dead ends: 2788 [2022-11-19 08:16:38,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:16:38,028 INFO L413 NwaCegarLoop]: 2342 mSDtfsCounter, 3944 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1200 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3947 SdHoareTripleChecker+Valid, 2354 SdHoareTripleChecker+Invalid, 1495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1200 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:38,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3947 Valid, 2354 Invalid, 1495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1200 Valid, 294 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-11-19 08:16:38,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2788 states. [2022-11-19 08:16:38,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2788 to 2788. [2022-11-19 08:16:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2788 states, 1620 states have (on average 1.3339506172839506) internal successors, (2161), 1744 states have internal predecessors, (2161), 963 states have call successors, (963), 205 states have call predecessors, (963), 204 states have return successors, (962), 922 states have call predecessors, (962), 962 states have call successors, (962) [2022-11-19 08:16:38,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 4086 transitions. [2022-11-19 08:16:38,380 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 4086 transitions. Word has length 156 [2022-11-19 08:16:38,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:38,381 INFO L495 AbstractCegarLoop]: Abstraction has 2788 states and 4086 transitions. [2022-11-19 08:16:38,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:16:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 4086 transitions. [2022-11-19 08:16:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-19 08:16:38,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:38,389 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:38,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:16:38,390 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:38,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:38,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1725616656, now seen corresponding path program 1 times [2022-11-19 08:16:38,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:38,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704946530] [2022-11-19 08:16:38,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:38,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 08:16:39,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:39,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704946530] [2022-11-19 08:16:39,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704946530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:39,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:39,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:16:39,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439823786] [2022-11-19 08:16:39,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:39,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:16:39,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:39,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:16:39,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:16:39,135 INFO L87 Difference]: Start difference. First operand 2788 states and 4086 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:16:43,267 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 [] [2022-11-19 08:16:45,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:45,869 INFO L93 Difference]: Finished difference Result 5538 states and 8124 transitions. [2022-11-19 08:16:45,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:16:45,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 157 [2022-11-19 08:16:45,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:45,900 INFO L225 Difference]: With dead ends: 5538 [2022-11-19 08:16:45,900 INFO L226 Difference]: Without dead ends: 2786 [2022-11-19 08:16:45,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:16:45,927 INFO L413 NwaCegarLoop]: 2339 mSDtfsCounter, 3939 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 1197 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3942 SdHoareTripleChecker+Valid, 2351 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1197 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:45,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3942 Valid, 2351 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1197 Valid, 294 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-19 08:16:45,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2022-11-19 08:16:46,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2786. [2022-11-19 08:16:46,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 1620 states have (on average 1.3327160493827162) internal successors, (2159), 1742 states have internal predecessors, (2159), 961 states have call successors, (961), 205 states have call predecessors, (961), 204 states have return successors, (960), 922 states have call predecessors, (960), 960 states have call successors, (960) [2022-11-19 08:16:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 4080 transitions. [2022-11-19 08:16:46,208 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 4080 transitions. Word has length 157 [2022-11-19 08:16:46,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:46,212 INFO L495 AbstractCegarLoop]: Abstraction has 2786 states and 4080 transitions. [2022-11-19 08:16:46,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:16:46,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 4080 transitions. [2022-11-19 08:16:46,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-19 08:16:46,231 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:46,232 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:46,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:16:46,232 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:46,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:46,233 INFO L85 PathProgramCache]: Analyzing trace with hash 124424614, now seen corresponding path program 1 times [2022-11-19 08:16:46,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:46,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855902755] [2022-11-19 08:16:46,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:46,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:46,801 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 08:16:46,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:46,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855902755] [2022-11-19 08:16:46,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855902755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:46,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:46,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:16:46,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906136029] [2022-11-19 08:16:46,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:46,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:16:46,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:46,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:16:46,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:16:46,805 INFO L87 Difference]: Start difference. First operand 2786 states and 4080 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:16:50,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:16:53,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:53,344 INFO L93 Difference]: Finished difference Result 5534 states and 8112 transitions. [2022-11-19 08:16:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:16:53,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 154 [2022-11-19 08:16:53,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:53,368 INFO L225 Difference]: With dead ends: 5534 [2022-11-19 08:16:53,369 INFO L226 Difference]: Without dead ends: 2784 [2022-11-19 08:16:53,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:16:53,387 INFO L413 NwaCegarLoop]: 2336 mSDtfsCounter, 3943 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 1195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3943 SdHoareTripleChecker+Valid, 2348 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1195 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:53,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3943 Valid, 2348 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1195 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-19 08:16:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2022-11-19 08:16:53,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2784. [2022-11-19 08:16:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 1620 states have (on average 1.3314814814814815) internal successors, (2157), 1740 states have internal predecessors, (2157), 959 states have call successors, (959), 205 states have call predecessors, (959), 204 states have return successors, (958), 922 states have call predecessors, (958), 958 states have call successors, (958) [2022-11-19 08:16:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 4074 transitions. [2022-11-19 08:16:53,628 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 4074 transitions. Word has length 154 [2022-11-19 08:16:53,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:53,629 INFO L495 AbstractCegarLoop]: Abstraction has 2784 states and 4074 transitions. [2022-11-19 08:16:53,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:16:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 4074 transitions. [2022-11-19 08:16:53,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-19 08:16:53,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:53,636 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:16:53,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:16:53,637 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:53,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:53,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1687419784, now seen corresponding path program 1 times [2022-11-19 08:16:53,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:53,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237583374] [2022-11-19 08:16:53,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:53,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:16:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 08:16:54,216 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:16:54,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237583374] [2022-11-19 08:16:54,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237583374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:16:54,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:16:54,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:16:54,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902988946] [2022-11-19 08:16:54,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:16:54,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:16:54,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:16:54,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:16:54,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:16:54,220 INFO L87 Difference]: Start difference. First operand 2784 states and 4074 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:16:57,494 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 [] [2022-11-19 08:16:59,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:16:59,402 INFO L93 Difference]: Finished difference Result 5496 states and 8050 transitions. [2022-11-19 08:16:59,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 08:16:59,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 155 [2022-11-19 08:16:59,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:16:59,425 INFO L225 Difference]: With dead ends: 5496 [2022-11-19 08:16:59,426 INFO L226 Difference]: Without dead ends: 2748 [2022-11-19 08:16:59,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:16:59,443 INFO L413 NwaCegarLoop]: 2310 mSDtfsCounter, 2566 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2569 SdHoareTripleChecker+Valid, 2322 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:16:59,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2569 Valid, 2322 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 292 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-19 08:16:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2748 states. [2022-11-19 08:16:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2748 to 2748. [2022-11-19 08:16:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 1598 states have (on average 1.3297872340425532) internal successors, (2125), 1716 states have internal predecessors, (2125), 947 states have call successors, (947), 203 states have call predecessors, (947), 202 states have return successors, (946), 910 states have call predecessors, (946), 946 states have call successors, (946) [2022-11-19 08:16:59,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 4018 transitions. [2022-11-19 08:16:59,681 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 4018 transitions. Word has length 155 [2022-11-19 08:16:59,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:16:59,682 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 4018 transitions. [2022-11-19 08:16:59,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 08:16:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 4018 transitions. [2022-11-19 08:16:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-19 08:16:59,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:16:59,692 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 08:16:59,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:16:59,693 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:16:59,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:16:59,694 INFO L85 PathProgramCache]: Analyzing trace with hash -955910227, now seen corresponding path program 1 times [2022-11-19 08:16:59,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:16:59,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489149417] [2022-11-19 08:16:59,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:16:59,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:16:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2022-11-19 08:17:00,613 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:00,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489149417] [2022-11-19 08:17:00,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489149417] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:17:00,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431112648] [2022-11-19 08:17:00,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:00,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:00,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:17:00,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:17:00,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 08:17:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:02,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 2295 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-19 08:17:02,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:17:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-11-19 08:17:02,134 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:17:02,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431112648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:02,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 08:17:02,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-11-19 08:17:02,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721735802] [2022-11-19 08:17:02,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:02,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:17:02,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:02,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:17:02,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:17:02,150 INFO L87 Difference]: Start difference. First operand 2748 states and 4018 transitions. Second operand has 6 states, 4 states have (on average 17.25) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 08:17:07,937 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 [] [2022-11-19 08:17:12,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:12,621 INFO L93 Difference]: Finished difference Result 5486 states and 8039 transitions. [2022-11-19 08:17:12,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:17:12,622 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 17.25) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 186 [2022-11-19 08:17:12,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:12,642 INFO L225 Difference]: With dead ends: 5486 [2022-11-19 08:17:12,643 INFO L226 Difference]: Without dead ends: 2751 [2022-11-19 08:17:12,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 08:17:12,660 INFO L413 NwaCegarLoop]: 2296 mSDtfsCounter, 3 mSDsluCounter, 9162 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11458 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:12,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11458 Invalid, 1342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 1333 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-11-19 08:17:12,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2751 states. [2022-11-19 08:17:12,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2751 to 2751. [2022-11-19 08:17:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2751 states, 1601 states have (on average 1.3291692692067458) internal successors, (2128), 1719 states have internal predecessors, (2128), 947 states have call successors, (947), 203 states have call predecessors, (947), 202 states have return successors, (946), 910 states have call predecessors, (946), 946 states have call successors, (946) [2022-11-19 08:17:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 4021 transitions. [2022-11-19 08:17:12,903 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 4021 transitions. Word has length 186 [2022-11-19 08:17:12,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:12,904 INFO L495 AbstractCegarLoop]: Abstraction has 2751 states and 4021 transitions. [2022-11-19 08:17:12,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 17.25) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-19 08:17:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 4021 transitions. [2022-11-19 08:17:12,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-19 08:17:12,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:12,915 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 08:17:12,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 08:17:13,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:13,141 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:17:13,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:13,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1660727438, now seen corresponding path program 1 times [2022-11-19 08:17:13,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:13,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44690438] [2022-11-19 08:17:13,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:13,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2022-11-19 08:17:13,626 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:13,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44690438] [2022-11-19 08:17:13,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44690438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:17:13,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:17:13,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:17:13,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76783067] [2022-11-19 08:17:13,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:17:13,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:17:13,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:17:13,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:17:13,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:17:13,630 INFO L87 Difference]: Start difference. First operand 2751 states and 4021 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-19 08:17:18,172 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 [] [2022-11-19 08:17:21,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:17:21,051 INFO L93 Difference]: Finished difference Result 7115 states and 10450 transitions. [2022-11-19 08:17:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:17:21,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 193 [2022-11-19 08:17:21,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:17:21,090 INFO L225 Difference]: With dead ends: 7115 [2022-11-19 08:17:21,090 INFO L226 Difference]: Without dead ends: 4401 [2022-11-19 08:17:21,107 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 [2022-11-19 08:17:21,108 INFO L413 NwaCegarLoop]: 3776 mSDtfsCounter, 2442 mSDsluCounter, 2212 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 40 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2445 SdHoareTripleChecker+Valid, 5988 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-19 08:17:21,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2445 Valid, 5988 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 713 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-19 08:17:21,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4401 states. [2022-11-19 08:17:21,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4401 to 4396. [2022-11-19 08:17:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4396 states, 2571 states have (on average 1.3317775184753013) internal successors, (3424), 2763 states have internal predecessors, (3424), 1513 states have call successors, (1513), 312 states have call predecessors, (1513), 311 states have return successors, (1512), 1456 states have call predecessors, (1512), 1512 states have call successors, (1512) [2022-11-19 08:17:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4396 states and 6449 transitions. [2022-11-19 08:17:21,531 INFO L78 Accepts]: Start accepts. Automaton has 4396 states and 6449 transitions. Word has length 193 [2022-11-19 08:17:21,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:17:21,532 INFO L495 AbstractCegarLoop]: Abstraction has 4396 states and 6449 transitions. [2022-11-19 08:17:21,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-19 08:17:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 6449 transitions. [2022-11-19 08:17:21,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-19 08:17:21,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:17:21,542 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-19 08:17:21,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:17:21,543 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:17:21,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:17:21,544 INFO L85 PathProgramCache]: Analyzing trace with hash -514034349, now seen corresponding path program 1 times [2022-11-19 08:17:21,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:17:21,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092219181] [2022-11-19 08:17:21,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:21,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:17:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:22,699 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-19 08:17:22,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:17:22,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092219181] [2022-11-19 08:17:22,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092219181] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 08:17:22,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138287161] [2022-11-19 08:17:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:17:22,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:17:22,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:17:22,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:17:22,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf39ac1d-1ed5-45da-8fa6-454d070e5d82/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 08:17:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:17:24,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 2385 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-19 08:17:24,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:17:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 170 proven. 1 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-11-19 08:17:24,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:17:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2022-11-19 08:17:24,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138287161] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:17:24,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [44285770] [2022-11-19 08:17:24,900 INFO L159 IcfgInterpreter]: Started Sifa with 90 locations of interest [2022-11-19 08:17:24,900 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 08:17:24,907 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 08:17:24,914 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 08:17:24,914 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 08:17:27,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:27,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:27,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:27,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:27,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:27,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:17:28,044 INFO L217 Elim1Store]: Index analysis took 1058 ms [2022-11-19 08:18:38,516 WARN L233 SmtUtils]: Spent 1.17m on a formula simplification. DAG size of input: 2297 DAG size of output: 993 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:18:38,525 INFO L321 Elim1Store]: treesize reduction 9625, result has 18.2 percent of original size [2022-11-19 08:18:38,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 90 select indices, 90 select index equivalence classes, 4017 disjoint index pairs (out of 4005 index pairs), introduced 90 new quantified variables, introduced 94 case distinctions, treesize of input 472 treesize of output 2422 [2022-11-19 08:18:42,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:45,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:45,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:45,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:45,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:46,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:18:48,521 INFO L217 Elim1Store]: Index analysis took 7441 ms [2022-11-19 08:20:53,297 WARN L233 SmtUtils]: Spent 2.08m on a formula simplification. DAG size of input: 3309 DAG size of output: 1443 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 08:20:53,302 INFO L321 Elim1Store]: treesize reduction 13552, result has 16.1 percent of original size [2022-11-19 08:20:53,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 97 select indices, 97 select index equivalence classes, 4107 disjoint index pairs (out of 4656 index pairs), introduced 97 new quantified variables, introduced 648 case distinctions, treesize of input 567 treesize of output 2973 [2022-11-19 08:21:12,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-19 08:21:12,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-19 08:21:12,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 08:21:18,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:18,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 58 select indices, 58 select index equivalence classes, 175 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 441 treesize of output 175 [2022-11-19 08:21:19,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:19,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 96 select indices, 96 select index equivalence classes, 4566 disjoint index pairs (out of 4560 index pairs), introduced 96 new quantified variables, introduced 0 case distinctions, treesize of input 481 treesize of output 289 [2022-11-19 08:21:20,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:20,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 97 select indices, 97 select index equivalence classes, 4656 disjoint index pairs (out of 4656 index pairs), introduced 97 new quantified variables, introduced 0 case distinctions, treesize of input 486 treesize of output 292 [2022-11-19 08:21:35,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:35,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 58 select indices, 58 select index equivalence classes, 175 disjoint index pairs (out of 1653 index pairs), introduced 58 new quantified variables, introduced 0 case distinctions, treesize of input 441 treesize of output 175 [2022-11-19 08:21:36,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:36,623 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 97 select indices, 97 select index equivalence classes, 4656 disjoint index pairs (out of 4656 index pairs), introduced 97 new quantified variables, introduced 0 case distinctions, treesize of input 486 treesize of output 292 [2022-11-19 08:21:37,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 08:21:37,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 96 select indices, 96 select index equivalence classes, 4566 disjoint index pairs (out of 4560 index pairs), introduced 96 new quantified variables, introduced 0 case distinctions, treesize of input 481 treesize of output 289 [2022-11-19 08:23:24,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:23:25,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:23:25,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:23:27,701 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:23:27,779 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:23:27,823 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:24:44,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:24:45,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:24:46,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:24:48,106 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:24:48,140 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:24:48,181 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:14,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:15,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:27:15,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:27:17,469 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:17,532 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:27:17,559 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:29:04,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:29:05,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 08:29:05,590 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-19 08:29:07,743 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:29:07,779 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 08:29:07,810 WARN L207 Elim1Store]: Array PQE input equivalent to false