./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array7_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/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_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array7_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/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 32bit --witnessprinter.graph.data.programhash 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa --- 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 07:10:25,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:10:25,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:10:25,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:10:25,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:10:25,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:10:25,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:10:25,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:10:25,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:10:25,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:10:25,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:10:25,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:10:25,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:10:25,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:10:25,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:10:25,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:10:25,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:10:25,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:10:25,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:10:25,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:10:25,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:10:25,732 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:10:25,733 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:10:25,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:10:25,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:10:25,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:10:25,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:10:25,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:10:25,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:10:25,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:10:25,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:10:25,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:10:25,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:10:25,745 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:10:25,746 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:10:25,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:10:25,747 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:10:25,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:10:25,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:10:25,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:10:25,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:10:25,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:10:25,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:10:25,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:10:25,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:10:25,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:10:25,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:10:25,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:10:25,775 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:10:25,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:10:25,775 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:10:25,776 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:10:25,776 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:10:25,776 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:10:25,777 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:10:25,777 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:10:25,777 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:10:25,777 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:10:25,778 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:10:25,778 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:10:25,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:10:25,779 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:10:25,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:10:25,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:10:25,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:10:25,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:10:25,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:10:25,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:10:25,781 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:10:25,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:10:25,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:10:25,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:10:25,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:10:25,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:10:25,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:10:25,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:10:25,783 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:10:25,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:10:25,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:10:25,783 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:10:25,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:10:25,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:10:25,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:10:25,784 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_41dda3cb-7c9e-4997-af33-65b7564b0426/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b55cdd1f26353e63ecc189ba28ba899672edc569fe3ef3f04470f2b5e667fa [2022-11-19 07:10:26,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:10:26,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:10:26,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:10:26,029 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:10:26,030 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:10:26,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/array-patterns/array7_pattern.c [2022-11-19 07:10:26,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/data/cde83c692/6ac2e9971ef1434c86d97b4dcb3d89cd/FLAG6f7e55910 [2022-11-19 07:10:26,539 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:10:26,540 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/sv-benchmarks/c/array-patterns/array7_pattern.c [2022-11-19 07:10:26,546 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/data/cde83c692/6ac2e9971ef1434c86d97b4dcb3d89cd/FLAG6f7e55910 [2022-11-19 07:10:26,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/data/cde83c692/6ac2e9971ef1434c86d97b4dcb3d89cd [2022-11-19 07:10:26,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:10:26,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:10:26,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:10:26,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:10:26,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:10:26,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfee960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26, skipping insertion in model container [2022-11-19 07:10:26,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:10:26,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:10:26,788 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_41dda3cb-7c9e-4997-af33-65b7564b0426/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2022-11-19 07:10:26,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:10:26,817 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:10:26,827 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_41dda3cb-7c9e-4997-af33-65b7564b0426/sv-benchmarks/c/array-patterns/array7_pattern.c[1375,1388] [2022-11-19 07:10:26,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:10:26,851 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:10:26,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26 WrapperNode [2022-11-19 07:10:26,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:10:26,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:10:26,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:10:26,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:10:26,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,911 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2022-11-19 07:10:26,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:10:26,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:10:26,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:10:26,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:10:26,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,949 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:10:26,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:10:26,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:10:26,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:10:26,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (1/1) ... [2022-11-19 07:10:26,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:10:26,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:10:27,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:10:27,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:10:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:10:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:10:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:10:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:10:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:10:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:10:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:10:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:10:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:10:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:10:27,175 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:10:27,177 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:10:27,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:10:27,405 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:10:27,405 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-19 07:10:27,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:10:27 BoogieIcfgContainer [2022-11-19 07:10:27,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:10:27,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:10:27,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:10:27,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:10:27,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:10:26" (1/3) ... [2022-11-19 07:10:27,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3531847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:10:27, skipping insertion in model container [2022-11-19 07:10:27,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:10:26" (2/3) ... [2022-11-19 07:10:27,429 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3531847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:10:27, skipping insertion in model container [2022-11-19 07:10:27,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:10:27" (3/3) ... [2022-11-19 07:10:27,430 INFO L112 eAbstractionObserver]: Analyzing ICFG array7_pattern.c [2022-11-19 07:10:27,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:10:27,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:10:27,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:10:27,536 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;@6b1afd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:10:27,536 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:10:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:10:27,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:10:27,556 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:27,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:10:27,557 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:10:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash 283687338, now seen corresponding path program 1 times [2022-11-19 07:10:27,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:10:27,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17119592] [2022-11-19 07:10:27,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:27,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:10:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:10:27,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:10:27,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17119592] [2022-11-19 07:10:27,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17119592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:10:27,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:10:27,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:10:27,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300096038] [2022-11-19 07:10:27,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:10:27,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:10:27,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:10:27,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:10:27,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:10:27,772 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:10:27,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:10:27,804 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2022-11-19 07:10:27,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:10:27,807 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-19 07:10:27,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:10:27,814 INFO L225 Difference]: With dead ends: 25 [2022-11-19 07:10:27,814 INFO L226 Difference]: Without dead ends: 16 [2022-11-19 07:10:27,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:10:27,820 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:10:27,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:10:27,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-19 07:10:27,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-19 07:10:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:10:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2022-11-19 07:10:27,855 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 11 [2022-11-19 07:10:27,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:10:27,856 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2022-11-19 07:10:27,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:10:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-11-19 07:10:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 07:10:27,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:27,858 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:10:27,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:10:27,859 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:10:27,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:27,860 INFO L85 PathProgramCache]: Analyzing trace with hash -986236554, now seen corresponding path program 1 times [2022-11-19 07:10:27,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:10:27,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907030856] [2022-11-19 07:10:27,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:27,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:10:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:28,253 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 07:10:28,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:10:28,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907030856] [2022-11-19 07:10:28,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907030856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:10:28,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:10:28,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:10:28,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331355279] [2022-11-19 07:10:28,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:10:28,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:10:28,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:10:28,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:10:28,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:10:28,270 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:10:28,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:10:28,333 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-11-19 07:10:28,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:10:28,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2022-11-19 07:10:28,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:10:28,335 INFO L225 Difference]: With dead ends: 20 [2022-11-19 07:10:28,335 INFO L226 Difference]: Without dead ends: 17 [2022-11-19 07:10:28,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:10:28,338 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:10:28,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 33 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:10:28,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-19 07:10:28,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-19 07:10:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:10:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-19 07:10:28,352 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 21 transitions. Word has length 19 [2022-11-19 07:10:28,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:10:28,353 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-19 07:10:28,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:10:28,354 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-11-19 07:10:28,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 07:10:28,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:28,357 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:10:28,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:10:28,358 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:10:28,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:28,359 INFO L85 PathProgramCache]: Analyzing trace with hash -508795631, now seen corresponding path program 1 times [2022-11-19 07:10:28,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:10:28,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468263975] [2022-11-19 07:10:28,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:28,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:10:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 07:10:28,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:10:28,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468263975] [2022-11-19 07:10:28,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468263975] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:10:28,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:10:28,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:10:28,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892203116] [2022-11-19 07:10:28,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:10:28,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:10:28,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:10:28,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:10:28,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:10:28,545 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:10:28,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:10:28,587 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2022-11-19 07:10:28,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:10:28,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2022-11-19 07:10:28,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:10:28,589 INFO L225 Difference]: With dead ends: 31 [2022-11-19 07:10:28,589 INFO L226 Difference]: Without dead ends: 18 [2022-11-19 07:10:28,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:10:28,591 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:10:28,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 39 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:10:28,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-19 07:10:28,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-19 07:10:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:10:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-11-19 07:10:28,597 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 20 [2022-11-19 07:10:28,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:10:28,597 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-11-19 07:10:28,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-19 07:10:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-11-19 07:10:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 07:10:28,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:10:28,598 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:10:28,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:10:28,599 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:10:28,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:10:28,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1093349104, now seen corresponding path program 1 times [2022-11-19 07:10:28,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:10:28,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445702068] [2022-11-19 07:10:28,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:28,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:10:28,621 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:10:28,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1237751274] [2022-11-19 07:10:28,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:10:28,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:10:28,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:10:28,626 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:10:28,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41dda3cb-7c9e-4997-af33-65b7564b0426/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:10:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:10:28,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-19 07:10:28,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:10:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:10:28,930 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:10:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-19 07:10:29,242 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:10:29,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445702068] [2022-11-19 07:10:29,242 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:10:29,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237751274] [2022-11-19 07:10:29,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237751274] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:10:29,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [210171870] [2022-11-19 07:10:29,275 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-19 07:10:29,276 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:10:29,280 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:10:29,286 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:10:29,287 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:10:29,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,546 INFO L321 Elim1Store]: treesize reduction 98, result has 24.6 percent of original size [2022-11-19 07:10:29,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 44 treesize of output 69 [2022-11-19 07:10:29,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2022-11-19 07:10:29,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:29,668 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 10 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 56 [2022-11-19 07:10:29,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:29,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:29,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:29,947 INFO L321 Elim1Store]: treesize reduction 150, result has 15.3 percent of original size [2022-11-19 07:10:29,947 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 393 treesize of output 374 [2022-11-19 07:10:30,091 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:30,110 INFO L321 Elim1Store]: treesize reduction 22, result has 51.1 percent of original size [2022-11-19 07:10:30,110 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 1 case distinctions, treesize of input 58 treesize of output 40 [2022-11-19 07:10:30,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:30,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:30,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:10:30,456 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:30,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:30,459 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:10:31,138 INFO L321 Elim1Store]: treesize reduction 228, result has 35.4 percent of original size [2022-11-19 07:10:31,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 8 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 16 new quantified variables, introduced 24 case distinctions, treesize of input 1198 treesize of output 2103 [2022-11-19 07:13:13,630 WARN L233 SmtUtils]: Spent 2.54m on a formula simplification. DAG size of input: 347 DAG size of output: 177 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:13:13,631 INFO L321 Elim1Store]: treesize reduction 714, result has 43.4 percent of original size [2022-11-19 07:13:13,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 37 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 38 new quantified variables, introduced 75 case distinctions, treesize of input 19348 treesize of output 57091 [2022-11-19 07:14:30,184 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:14:31,247 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:14:31,943 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:14:34,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:35,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:14:35,563 INFO L217 Elim1Store]: Index analysis took 1661 ms [2022-11-19 07:14:35,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 142 [2022-11-19 07:15:19,719 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:16:39,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:16:53,963 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:19:44,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:20:26,504 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:20:50,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:21:17,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:21:17,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:21:32,995 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:22:49,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:24:22,967 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:25:17,151 INFO L173 IndexEqualityManager]: detected equality via solver